US20140165981A1 - Lien's bow - Google Patents
Lien's bow Download PDFInfo
- Publication number
- US20140165981A1 US20140165981A1 US13/694,589 US201213694589A US2014165981A1 US 20140165981 A1 US20140165981 A1 US 20140165981A1 US 201213694589 A US201213694589 A US 201213694589A US 2014165981 A1 US2014165981 A1 US 2014165981A1
- Authority
- US
- United States
- Prior art keywords
- bow
- elastic cable
- arrow
- bow frame
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B5/00—Bows; Crossbows
- F41B5/0094—Non-traditional bows, e.g. having hinged limbs or non-stave geometry
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B5/00—Bows; Crossbows
- F41B5/14—Details of bows; Accessories for arc shooting
- F41B5/1403—Details of bows
Definitions
- the present invention relates to a bow, and more particular to an archery bow which comprises an elastic cable adjustably affixed to a bow frame, wherein a tension of the elastic cable can be selectively adjusted to control the trajectory of the arrow.
- a bow-and-arrow apparatus is a projectile weapon and is commonly used for hunting and for the sport of archery.
- a conventional archery bow generally comprises an elongated flexible frame defining a pair of elastic limbs, and a non-elastic bow string affixed to two ends of the flexible frame, wherein when the string is drawn back, the flexible frame is flexed at two ends thereof.
- the arrow is set at the middle of the flexible frame, wherein the arrow is drawn back to build tension on the flexible frame. In other words, the user is able to hold back the full tension of the flexible frame while aiming. Therefore, when the string is released, the potential energy of the flexed flexible frame, i.e. the restoring force thereof, is transformed into the velocity of the arrow.
- the conventional archery bow has several drawbacks.
- the conventional archery bow must incorporate with the arrow having a nock at the rear end and a fletching element at the rear portion of the arrow.
- a ledge must be provided at the flexible frame to support the arrow.
- the string is released, the ledge at the flexible frame will not guarantee the corrected shooting alignment of the arrow.
- the assembling operation of the conventional archery bow is relatively complicated.
- the user In order to assemble the archery bow, the user must securely affix the string to two ends of the flexible frame and must ensure the tension of the string. Since the flexible frame can be flexed, the user must apply a relatively bending force to flex the flexible frame before the string is affixed thereto. In other words, the user must strong enough to flex the flexible frame until the distance between the two ends thereof can fit to the length of the string.
- the invention is advantageous in that it provides a Lien's bow-and-arrow apparatus, which is a newly structural design of the bow-and-arrow apparatus as an improvement of the conventional bow.
- Another advantage of the invention is to provide a bow-and-arrow which comprises an elastic cable adjustably affixed to a rigid bow frame.
- Another advantage of the invention is to provide a bow, wherein the elastic cable is extended and encircled at the ends of the bow frame to affix the ends of the elastic cable at the front side of the bow frame, so as to evenly distribute the tension of the elastic cable at the entire bow frame.
- Another advantage of the invention is to provide a bow, wherein the tension of the elastic cable is selectively adjusted to control the trajectory of the arrow.
- Another advantage of the invention is to provide a bow, wherein the guiding barrel is adapted to guide the shooting direction of the arrow.
- Another advantage of the invention is to provide a bow, wherein the deflection control portion of the guiding barrel is selectively adjusted to minimize the deflection of the arrow when the elastic cable is released at the firing position.
- Another advantage of the invention is to provide a bow, wherein the user is able to grip the handle to precisely aim to the target.
- Another advantage of the invention is to provide a bow, wherein the assembling operation of the bow is easy and simple that the user is able to easily replace or change the elastic cable from the bow frame.
- a bow for a trajectory of an arrow comprising:
- a rigid bow frame having two ends and defining a longitudinal axis between the two ends;
- a tension unit which comprises an elastic cable extended between the ends of the bow frame, wherein the elastic cable is extended at a rear side of the bow frame along the longitudinal axis thereof;
- a guidance unit provided at a middle of the bow frame for setting the arrow at a position that a rear end of the arrow is biased against a middle of the elastic cable, wherein the elastic cable is drawn back to build tension thereof for shooting the arrow.
- FIG. 1 is a perspective view of a Lien's bow-and-arrow apparatus according to a preferred first embodiment of the present invention.
- FIG. 2 is a top view of the bow-and-arrow apparatus according to the above first preferred embodiment of the present invention.
- FIG. 3 is a partially front view of the bow-and-arrow apparatus according to the above first preferred embodiment of the present invention, illustrating the structure of the retaining slot of the bow frame.
- FIG. 4 illustrates the position of the guiding barrel at the bow frame of the bow-and-arrow apparatus according to the above first preferred embodiment of the present invention, illustrating the deflection angle of the guiding barrel.
- FIG. 5 is a perspective view of the handle of the bow-and-arrow apparatus according to the above first preferred embodiment of the present invention, illustrating the non-circular cross section of the handle.
- FIG. 6 illustrates the holding position of the bow-and-arrow apparatus according to the above first preferred embodiment of the present invention.
- FIG. 7 is a perspective view of a Lien's bow-and-arrow apparatus according to a preferred second embodiment of the present invention.
- FIG. 8 is a front view of the bow-and-arrow apparatus according to the above second preferred embodiment of the present invention.
- FIGS. 1 and 2 of the drawings a Lien's bow-and-arrow apparatus according to a preferred first embodiment of the present invention is illustrated, wherein the bow-and-arrow apparatus comprises a Lien's arrow 10 and a Lien's bow.
- the arrow 10 is a non fletching type arrow and comprises an elongated shaft 11 and defining an arrow head 12 and a rear end 13 .
- the rear end 13 of the arrow 10 is a round end. Accordingly, there is no fletching element provided at the shaft 11 of the arrow 10 .
- the bow comprises a rigid bow frame 20 having two ends 21 and defining a longitudinal axis between the two ends 21 , and a tension unit 30 which comprises an elastic cable 31 extended between the ends 21 of the bow frame 20 , wherein the elastic cable 31 is extended at a rear side of the bow frame 20 along the longitudinal axis thereof.
- the bow further comprises a guidance unit 40 provided at a middle of the bow frame 20 for setting the arrow 10 at a position that the rear end of the arrow 10 is biased against a middle of the elastic cable 31 , wherein the elastic cable 31 is drawn back to build tension thereof for shooting the arrow 10 .
- the elastic cable 31 has an elongated flat structure defining a flat surface 311 for the rear end 13 of the arrow 10 biasing thereat, wherein the flat surface 311 of the elastic cable 31 faces toward the rear side of the bow frame 20 .
- the width of the elastic cable 31 is substantially larger than a thickness of the elastic cable 31 to form a flat configuration.
- the width of the flat surface 311 of the elastic cable 31 is larger than a diameter of the rear end 13 of the arrow 10 .
- the arrow 10 further has a notch 14 formed at the rear portion of the shaft 11 , and a coarse surface 15 provided at the outer circumferential surface of the shaft 11 .
- the bow frame 20 is formed as a horizontal bow that the ends 21 of the bow frame 20 are defined at the two side ends of the bow frame 20 , wherein the elastic cable 31 is extended between the side ends of the bow frame 20 .
- the bow frame 20 has a pair of identical bow wings 22 and defines the ends 21 thereat, and a center through slot 23 formed at the middle of the bow frame 20 , i.e. the middle of the bow wings 22 .
- the bow frame 20 is made of rigid and light weight material such as metal or wood, that the bow frame 20 does not provide any flexibility with respect to the arrow 10 .
- the tension unit 30 further comprises a securing unit 32 formed at a front side of the bow frame 10 , and two locking units 33 provided at two ends of the elastic cable 31 to couple with the securing unit 32 , such that the two ends of the elastic cable 31 are extended and encircled at the two ends 21 of the bow frame 20 to affix at the front side of the bow frame 10 . Accordingly, the two ends of the elastic cable 31 are affixed to the front side of the bow wings 22 of the bow frame 20 respectively. It is worth mentioning that since the elastic cable 31 is not directly affixed to the ends 21 of the bow frame 20 , the tension of the elastic cable 31 will not be directly applied at the ends of the bow frame 20 only.
- the elastic cable 31 is extended from the front side of the bow frame 10 to the rear side thereof through the two ends 21 , the tension of the elastic cable 31 will evenly apply to the entire bow frame 10 so as to ensure the even tension being built at the elastic cable 21 when the elastic cable 21 is drawn backwardly.
- the securing units 32 has a plurality of securing slots 321 spacedly formed at the front side of the bow frame 10 .
- the securing slots 321 are evenly formed at the front side of the bow wings 22 respectively.
- Each of the locking units 33 comprises two tension adjusters 331 selectively engaged with two of the securing slots 321 and two cable lockers 332 provided at the two ends of the elastic cable 31 and detachably coupled with the two tension adjusters 331 to selectively control the tension of the elastic cable 31 between the two ends 21 of the bow frame 10 . Accordingly, when the two tension adjusters 331 are engaged with two securing slots 321 located close to the center through slot 23 , i.e. close to the middle of the bow frame 20 , the elastic cable 31 will be stretched out more to more tensionally prolong the length thereof. Therefore, the tension of the elastic cable 31 between the two ends 21 of the bow frame 10 will be increased.
- each of the tension adjusters 331 is selectively, detachably, and securely engaged one of the securing slots 321 .
- the cable locker 332 preferably having a ring shape, securely affixed to the respective end of the elastic cable 31 to detachably couple with the tension adjusters 331 . It is worth mentioning that the tension adjusters 331 should be engaged the corresponding securing slots 321 in pair at the bow wings 22 of the bow frame 20 to evenly distribute the tension of the elastic cable 31 at the bow frame 20 .
- the tension adjusters 331 when one of the tension adjusters 331 is engaged with the securing slot 321 at one bow wing 22 of the bow frame 20 closest to the center through slot 23 , another tension adjusters 331 should be engaged with the securing slot 321 at another bow wing 22 of the bow frame 20 closest to the center through slot 23 .
- the length of the end portion of the elastic cable 31 at front side of one bow wing 22 of the bow frame 20 should be the same as the length of the end portion of the elastic cable 31 at front side of another bow wing 22 of the bow frame 20 .
- the tension adjusters 331 can be directly affixed to the ends of the elastic cable 31 to selectively, detachably, and securely engage two of the securing slots 321 , wherein the cable lockers 332 can be omitted.
- the cable lockers 332 can be integrally formed at the ends of the elastic cable 31 to detachably couple with the tension adjusters 331 .
- the bow frame 20 further comprises two retaining slots 24 formed at the two ends 21 of the bow frame 20 , wherein two end portions of the elastic cable 31 are slid into the retaining slots 24 respectively in order to affix the two ends of the elastic cable 31 at the front side of the bow frame 20 .
- the retaining slots 24 are formed at the two ends 21 of the bow frame 20 along the longitudinal axis thereof.
- Each of the retaining slots 24 has an outer narrowing portion 241 extended from the respective end 21 of the bow frame 20 and an inner enlarged portion 242 extended from the narrowing portion 241 .
- the narrowing portion 241 of the retaining slot 24 is an opened end slot along the longitudinal axis, wherein the opening of the narrowing portion 241 of the retaining slot 24 is formed at the sidewall of the respective end 21 of the bow frame 20 .
- the narrowing portion 241 of the retaining slot 24 has a uniform width that the sidewalls of the narrowing portion 241 of the retaining slot 24 are extended parallelly. Accordingly, the width of the narrowing portion 241 of the retaining slot 24 is smaller than the width of the elastic cable 31 .
- the enlarged portion 242 of the retaining slot 24 is a closed end slot, wherein the enlarged portion 242 of the retaining slot 24 has a circular shape and defines an inner curved surface thereat.
- the diameter of the enlarged portion 242 of the retaining slot 24 i.e. the width thereof, is larger than the width of the narrowing portion 241 of the retaining slot 24 .
- the diameter of the enlarged portion 242 of the retaining slot 24 is smaller than the width of the elastic cable 31 .
- the elastic cable 31 when the elastic cable 31 is slid into the enlarged portion 242 of the retaining slot 24 through the narrowing portion 241 thereof, the elastic cable 31 is frictionally engaged with the inner curved surface of the enlarged portion 242 of the retaining slot 24 so as to frictionally retain the elastic cable 31 at the respective end 21 of the bow frame 20 .
- the flat surface 311 of the elastic cable 31 will be deformed to form a curved configuration when the flat surface 311 of the elastic cable 31 is frictionally engaged with the inner curved surface of the enlarged portion 242 of the retaining slot 24 .
- the tension of the elastic cable 31 can be further selectively controlled. Accordingly, when the elastic cable 31 is pulled from the front side of the bow frame 20 , i.e. pulling the end portions of the elastic cable 31 between the ends thereof and the ends 21 of the bow frame 20 , the elastic cable 31 will be frictionally slid at the inner curved surface of the enlarged portion 242 of the retaining slot 24 toward the front side of the bow frame 20 . Therefore, the elastic cable 31 will be further stretched between the ends 21 of the bow frame 20 to increase the tension of the elastic cable 31 . When the elastic cable 31 is pulled from the rear side of the bow frame 20 , i.e.
- the elastic cable 31 will be frictionally slid at the inner curved surface of the enlarged portion 242 of the retaining slot 24 toward the rear side of the bow frame 20 . Therefore, the elastic cable 31 will be less stretched between the ends 21 of the bow frame 20 to reduce the tension of the elastic cable 31 .
- the user is able to replace or change the elastic cable 31 rapidly by detaching the cable lockers 332 from the tension adjusters 331 and removing the elastic cable 31 from the retaining slots 24 .
- the guidance unit 40 comprises a tubular guiding barrel 41 transversely extended from the bow frame 20 .
- the guiding barrel 41 is perpendicularly extended at the middle of the bow frame 20 for slidably loading the arrow 10 within the guiding barrel 41 .
- the guiding barrel 41 is slidably extended through the center through slot 23 of the bow frame 20 .
- a diameter of the guiding barrel 41 is slightly larger than a diameter of the arrow 10 .
- a rear portion of the guiding barrel 41 is rearwardly extended out of the rear side of the bow frame 20 to form a deflection control portion of the guiding barrel 41 .
- a front portion of the guiding barrel 41 is frontwardly extended out of the front side of the bow frame 20 to form a guidance control portion of the guiding barrel 41 .
- the guiding barrel 41 has a length shorter than the length of the arrow 10 .
- the length of the guiding barrel 41 is substantially longer than the distance between the front and rear sides of the bow frame 20 . Therefore, when the arrow 10 is loaded at the guiding barrel 41 , the arrow 10 can be held and supported at the bow frame 20 . It is worth mentioning that when the bow frame 20 is retained at a horizontal position or at a rearward tilt position, the arrow 10 will be held by the guiding barrel 41 and will not be dropped out from the bow frame 20 . Only when the bow frame 20 is held at a front tilt position, the arrow 10 may slid out of the guiding barrel 41 . Therefore, the guiding barrel 41 will also hold the arrow 10 at the bow frame 20 in position.
- the rear end of the guiding barrel 41 is aligned with and pointed at the middle of the elastic cable 31 between the two ends 21 of the bow frame 20 . Therefore, when the arrow 10 is loaded at the guiding barrel 41 , the rear end 13 of the arrow 10 will be automatically slid out of the rear end of the guiding barrel 41 and biased against the middle of the elastic cable 31 . Therefore, the user is able to simply hold and drawn the rear end 13 of the arrow 10 backward that the rear end 13 of the arrow 10 will be automatically located the middle of the elastic cable 31 . It is important that when the elastic cable 31 is drawn backward, the tension of the elastic cable 31 will be built evenly at the middle thereof towards the ends 21 of the bow frame 20 . Therefore, when the elastic cable 31 is released, the tension of the elastic cable 31 will be evenly applied to the arrow 10 to shoot the arrow 10 correctly.
- a rear end of the guiding barrel 41 is rearwardly extended from the bow frame 20 at the rear side thereof at a position that the rear end 13 of the arrow 10 is rearwardly extended out of the rear end of the guiding barrel 41 to bias against the elastic cable 31 . Therefore, the use is able to hold the rear end 13 of the arrow 10 and to draw the elastic cable 31 backward at the same time as a firing position.
- the guiding barrel 41 is selectively adjusted a distance between the rear end of the guiding barrel 41 and the elastic cable 31 .
- the notch 14 of the arrow 10 is extended out of the rear end of the guiding barrel 41 . Therefore, the user is able to feel and hold the notch 14 of the arrow 10 in order to draw the rear end 13 of the arrow 10 with the elastic cable 31 backward at the same time.
- the coarse surface 15 of the arrow 10 will provide enough friction in order for the user to hold the rear end 13 of the arrow 10 tightly.
- the guiding barrel 41 has an outer threaded portion to rotatably engage with an inner threaded portion of the center through slot 23 of the bow frame 20 . Therefore, the distance between the rear end of the guiding barrel 41 and the elastic cable 31 can be selectively adjusted. In other words, the deflection control portion of the guiding barrel 41 can be selectively controlled as shown in FIG. 4 .
- the distance between the rear end of the guiding barrel 41 and the elastic cable 31 will be reduced.
- the distance between the rear end of the guiding barrel 41 and the elastic cable 31 will be increased.
- the deflection control portion of the guiding barrel 41 is arranged to control a deflection angle for the arrow 10 , wherein the deflection angle is defined at the middle of the bow frame 20 and the opening width of the rear end of the guiding barrel 41 . Accordingly, when the length of the deflection control portion of the guiding barrel 41 is increased, the deflection angle ⁇ 1 will be reduced so as to minimize the deflection of the arrow 10 when the elastic cable 31 is released at the firing position. When the length of the deflection control portion of the guiding barrel 41 is decreased, the deflection angle ⁇ 2 will be increased.
- the deflection angle ⁇ 1 and the deflection angle ⁇ 2 will be changed, wherein the deflection angle ⁇ 1 is smaller than the deflection angle ⁇ 2 . Therefore, the user is able to adjust the deflection angle by selectively adjusting the position of the guiding barrel 41 with respect to the bow frame 20 . It is worth mentioning that the deflection control portion of the guiding barrel 41 cannot be further extended from the rear side of the bow frame 20 to contact the rear end of the guiding barrel 41 with the elastic cable 31 . In fact, the maximum length of the deflection control portion of the guiding barrel 41 is controlled that the elastic cable 31 is released after the elastic cable 31 is drawn backward, the elastic cable 31 will not bound back to hit the rear end of the guiding barrel 41 .
- the elastic cable 31 will not contact with the rear end of the guiding barrel 41 at anytime. If the elastic cable 31 is released to hit the rear end of the guiding barrel 41 , the elastic cable 31 will be damaged. After the elastic cable 31 is repeatedly hit the rear end of the guiding barrel 41 , the elastic cable 31 will be broken. Therefore, the deflection control portion of the guiding barrel 41 should not be further extended from the rear side of the bow frame 20 to prevent the elastic cable 31 hitting at the rear end of the guiding barrel 41 so as to prolong the service life span of the elastic cable 31 .
- the guidance unit 40 further comprises a front locker 42 and a rear locker 43 to lock up the guiding barrel 41 at the bow frame 20 .
- the front locker 42 preferably a ring shaped locker being actuated by hand, is coaxially coupled at the guiding barrel 41 at the front side of the bow frame 20 .
- the front locker 42 has an inner threaded portion rotatably engaged with the outer threaded portion of the guiding barrel 41 .
- the rear locker 43 preferably a ring shaped locker being actuated by hand, is coaxially coupled at the guiding barrel 41 at the rear side of the bow frame 20 .
- the rear locker 43 has an inner threaded portion rotatably engaged with the outer threaded portion of the guiding barrel 41 . Therefore, once the position of the guiding barrel 41 is adjusted and set, the user is able to rotate the front and rear lockers 42 , 43 by hand to lock up the guiding barrel 41 .
- the guidance unit 40 further comprises a front protective cap 44 , having a tubular shape, coaxially coupled at the front end of the guiding barrel 41 .
- the front protective cap 44 is coupled at the outer circumferential side of the guiding barrel 41 , wherein when the bow is accidentally dropped on the ground, the front end of the guiding barrel 41 may be bent or broken. Then, the arrow 10 cannot be loaded at the guiding barrel 41 or cannot be shot accurately.
- the front protective cap 44 will protect the front end of the guiding barrel 41 .
- the front protective cap 44 further has an aiming member 441 protruded upwardly and aligned with the shooting direction of the arrow 10 , i.e. the alignment of guiding barrel 41 . It is worth mentioning that the arrow 10 will be guided to shoot along the guiding barrel 41 . The arrow 10 will leave the guiding barrel 41 at the front end thereof. Therefore, the aiming member 441 will guide the user to aim the target properly.
- the bow further comprises a handle 50 , having a non-circular cross section, transversely extended from the bow frame 20 for the user to hold the bow frame 20 .
- the handle 50 is perpendicularly and downwardly extended from the middle of the bow frame 20 to form a T-shaped configuration. Accordingly, the user is able to use one hand to grip the handle 50 and another hand to draw the elastic cable 31 and the rear end 13 of the arrow 10 backward.
- the user is also able to locate the bow frame 20 different positions via the handle 50 that the bow frame 20 can be held at the horizontal position, the vertical position, or a slanted position, as shown in FIG. 6 .
- the handle 50 comprises an elongated palm gripping member 51 and an elongated finger gripping member 52 provided at a front side of the gripping member 51 , wherein each of the palm gripping member 51 and the finger gripping member 52 has a non-circular cross section.
- a width of the palm gripping member 51 is larger than a width of the finger gripping member 52 .
- the palm gripping member 51 has a rectangular cross section defining two cornering edges 511 , wherein when the hand of the user grips at the palm gripping member 51 , the two cornering edges 511 of the palm gripping member 51 will biased against the palm of the user's hand.
- the finger gripping member 52 generally has a rectangular cross section but forms a curved front surface 521 for matching with the curvature of the fingers of the user's hand when the fingers thereof press against the finger gripping member 52 . It is worth mentioning that if the handle 50 has a circular cross section, the user's hand may grip at the circular handle without any proper gripping position.
- the arrow 10 may be slightly pointed sidewardly via the guiding barrel 41 when the circular handle is slightly turned and gripped by the user's hand. Therefore, when the two cornering edges 511 of the palm gripping member 51 are biased against the palm of the user's hand, the user can feel the proper gripping position of the handle 50 . In other words, when the handle 50 is slightly turned, the two cornering edges 511 of the palm gripping member 51 will biased against different locations of the palm of the user's hand that the user can feel the slightly change of the direction of the arrow 10 . It is worth mentioning that the handle 50 will provide a three-point alignment, i.e. the two cornering edges 511 of the palm gripping member 51 and the apex of the curved front surface 521 of the finger gripping member 52 , when the handle 50 is gripped by the user's hand.
- the palm gripping member 51 further has a T-shaped configuration and defines two supporting surfaces 512 resting on the thumb and the index finger of the user's hand when the handle 50 is gripped.
- the supporting surfaces 512 will to ensure the bow frame 20 being stably held by the user's hand.
- the supporting surfaces 512 of the palm gripping member 51 will ensure the distance between the user's hand and the bow frame 20 to prevent the backward drawn elastic cable 31 being blocked by the user's hand.
- the bow further comprises a weighting member 60 mounted on the middle of the bow frame 20 on a top side thereof to align with the handle 50 to substantially apply a downward weight force toward the handle 50 .
- the weight force of the weighting member 60 will ensure the balance of the bow frame 20 between the two bow wings 22 when the handle 50 is gripped at the user's hand.
- the weighting member 60 further has an aiming guide 61 aligned with the guidance unit 40 for enabling the user to aim the target.
- the weighting member 60 has a flat top surface, wherein the aiming guide 61 is an indented groove, preferably having a V-shape, formed at the flat top surface of the weighting member 60 , wherein the aiming guide 61 is located at the middle of the bow frame 20 that perpendicular to the longitudinal axis thereof and is aligned with the guiding barrel 41 .
- the aiming guide 61 is also aligned with the aiming member 441 of the front protective cap 44 to form a double-aiming guide for shooting the arrow 10 .
- the user is able to selectively engage the tension adjusters 331 with two of the securing slots 321 in pair at the bow wings 22 of the bow frame 20 for controlling the tension of the elastic cable 31 . Then, the user is able to slide the elastic cable 31 into the retaining slots 24 such that the elastic cable 31 will frictionally engage with the inner curved surfaces of the enlarged portions 242 of the retaining slots 24 . The user will then able to detachably couple the two cable lockers 332 with the two tension adjusters 331 respectively. By pulling the elastic cable 31 from either the front side or the rear side of the bow frame 20 , the tension of the elastic cable 31 can be further fine-adjusted between the two ends 21 of the bow frame 20 .
- the user is able to load the arrow 10 at the guiding barrel 41 from the front opening end thereof
- the arrow 10 will be slid backward at a position that the rear end 13 of the arrow 10 will automatically biased against the middle of the elastic cable 31 .
- the notch 14 of the arrow 10 is extended out of the rear end of the guiding barrel 41 . Therefore, the user is able to hold the notch 14 of the arrow 10 in order to draw the rear end 13 of the arrow 10 with the elastic cable 31 backward at the same time to build the tension of the elastic cable 31 .
- the tension of the elastic cable 31 will be transformed into a shooting force to shoot the arrow 10 out of the guiding barrel 41 .
- a Lien's bow according to a second embodiment illustrates an alternative mode of the first embodiment, wherein the structural configuration of the bow of the first embodiment is similar to that of the second embodiment except the handle 50 ′.
- the handle 50 ′ having a non-circular cross section, is integrally extended from one of the ends 21 of the bow frame 20 along the longitudinal axis thereof to form an elongated configuration.
- the bow frame 20 is formed as a vertical bow that the ends 21 of the bow frame 20 are defined at the bottom end and the top end of the bow frame 20 , wherein the elastic cable 31 is extended between the top and bottom ends of the bow frame 20 .
- the handle 50 ′ is integrally extended from the bottom end 21 of the bow frame 20 .
- the handle 50 ′ has a rectangular cross section defining two cornering edges 501 ′, wherein when the hand of the user grips at the handle 50 ′, the two cornering edges 501 ′ of the handle 50 ′ will biased against the palm of the user's hand.
- One of the retaining slots 24 is formed at the top end 21 of the bow frame 20 while another retaining slot 24 is formed at the bottom end 21 of the bow frame 20 , wherein two end portions of the elastic cable 31 are slid into the retaining slots 24 respectively in order to affix the two ends of the elastic cable 31 at the front side of the bow frame 20 .
- the retaining slot 24 at the top end 21 of the bow frame 20 is formed along the longitudinal axis thereof.
- the retaining slot 24 at the bottom end 21 of the bow frame 20 is formed perpendicular to the longitudinal axis thereof. It is worth mentioning that each of the retaining slots 24 also has the outer narrowing portion 241 and the inner enlarged portion 242 .
- the enlarged portions 242 of the two retaining slots 24 are aligned with the longitudinal axis of the bow frame 20 .
- the narrowing portion 241 of the retaining slot 24 at the top end 21 of the bow frame 20 is upwardly extended to form a top opening of the retaining slot 24 .
- the narrowing portion 241 of the retaining slot 24 at the bottom end 21 of the bow frame 20 is sidewardly extended to form a side opening of the retaining slot 24 .
- the weighting member 60 ′ is mounted on the top end 21 of the bow frame 20 to align with the handle 60 ′.
- two weighting member 60 ′ are mounted at two opposed sidewalls of the top end 21 of the bow frame 20 to keep the balance of the bow frame 20 when the handle 60 ′ is gripped by the user's hand.
- the arrow 10 can be formed to have a sharp arrow head 12 for professional use. It would be formed as a suction cup head as a toy for young child to play with.
Abstract
A bow includes a rigid bow frame having two ends and defining a longitudinal axis between two ends; a tension unit including an elastic cable extended between the ends of the bow frame, wherein the elastic cable is extended at a rear side of the bow frame along the longitudinal axis thereof; and a guidance unit provided at a middle of the bow frame for setting said arrow at a position that a rear end of the arrow is biased against a middle of the elastic cable, wherein the elastic cable is drawn back to build tension thereof for shooting the arrow.
Description
- 1. Field of Invention
- The present invention relates to a bow, and more particular to an archery bow which comprises an elastic cable adjustably affixed to a bow frame, wherein a tension of the elastic cable can be selectively adjusted to control the trajectory of the arrow.
- 2. Description of Related Arts
- A bow-and-arrow apparatus is a projectile weapon and is commonly used for hunting and for the sport of archery. A conventional archery bow generally comprises an elongated flexible frame defining a pair of elastic limbs, and a non-elastic bow string affixed to two ends of the flexible frame, wherein when the string is drawn back, the flexible frame is flexed at two ends thereof. The arrow is set at the middle of the flexible frame, wherein the arrow is drawn back to build tension on the flexible frame. In other words, the user is able to hold back the full tension of the flexible frame while aiming. Therefore, when the string is released, the potential energy of the flexed flexible frame, i.e. the restoring force thereof, is transformed into the velocity of the arrow. However, the conventional archery bow has several drawbacks.
- It is generally considered to be difficult for the user to shoot the arrow accurately. When the flexed flexible frame is flexed and released from a firing position back to an original position, vibration will be generated at the bow shaft so as to cause the undesirably deflection of the arrow. In addition, since the string is affixed at two ends of the flexible frame, the flexing forces at two ends of the flexible frame with respect to the center thereof will not be even. In other words, the restoring forces at the elastic limbs are not even. Furthermore, the position of the arrow cannot be ensured at a corrected position at the string that the rear end of the arrow may not be retained at a center of the string.
- Accordingly, the conventional archery bow must incorporate with the arrow having a nock at the rear end and a fletching element at the rear portion of the arrow. In addition, a ledge must be provided at the flexible frame to support the arrow. However, when the string is released, the ledge at the flexible frame will not guarantee the corrected shooting alignment of the arrow.
- The assembling operation of the conventional archery bow is relatively complicated. In order to assemble the archery bow, the user must securely affix the string to two ends of the flexible frame and must ensure the tension of the string. Since the flexible frame can be flexed, the user must apply a relatively bending force to flex the flexible frame before the string is affixed thereto. In other words, the user must strong enough to flex the flexible frame until the distance between the two ends thereof can fit to the length of the string.
- The invention is advantageous in that it provides a Lien's bow-and-arrow apparatus, which is a newly structural design of the bow-and-arrow apparatus as an improvement of the conventional bow.
- Another advantage of the invention is to provide a bow-and-arrow which comprises an elastic cable adjustably affixed to a rigid bow frame.
- Another advantage of the invention is to provide a bow, wherein the elastic cable is extended and encircled at the ends of the bow frame to affix the ends of the elastic cable at the front side of the bow frame, so as to evenly distribute the tension of the elastic cable at the entire bow frame.
- Another advantage of the invention is to provide a bow, wherein the tension of the elastic cable is selectively adjusted to control the trajectory of the arrow.
- Another advantage of the invention is to provide a bow, wherein the guiding barrel is adapted to guide the shooting direction of the arrow.
- Another advantage of the invention is to provide a bow, wherein the deflection control portion of the guiding barrel is selectively adjusted to minimize the deflection of the arrow when the elastic cable is released at the firing position.
- Another advantage of the invention is to provide a bow, wherein the user is able to grip the handle to precisely aim to the target.
- Another advantage of the invention is to provide a bow, wherein the assembling operation of the bow is easy and simple that the user is able to easily replace or change the elastic cable from the bow frame.
- Additional advantages and features of the invention will become apparent from the description which follows, and may be realized by means of the instrumentalities and combinations particular point out in the appended claims.
- According to the present invention, the foregoing and other objects and advantages are attained by a bow for a trajectory of an arrow, comprising:
- a rigid bow frame having two ends and defining a longitudinal axis between the two ends;
- a tension unit which comprises an elastic cable extended between the ends of the bow frame, wherein the elastic cable is extended at a rear side of the bow frame along the longitudinal axis thereof; and
- a guidance unit provided at a middle of the bow frame for setting the arrow at a position that a rear end of the arrow is biased against a middle of the elastic cable, wherein the elastic cable is drawn back to build tension thereof for shooting the arrow.
- Still further objects and advantages will become apparent from a consideration of the ensuing description and drawings.
- These and other objectives, features, and advantages of the present invention will become apparent from the following detailed description, the accompanying drawings, and the appended claims.
-
FIG. 1 is a perspective view of a Lien's bow-and-arrow apparatus according to a preferred first embodiment of the present invention. -
FIG. 2 is a top view of the bow-and-arrow apparatus according to the above first preferred embodiment of the present invention. -
FIG. 3 is a partially front view of the bow-and-arrow apparatus according to the above first preferred embodiment of the present invention, illustrating the structure of the retaining slot of the bow frame. -
FIG. 4 illustrates the position of the guiding barrel at the bow frame of the bow-and-arrow apparatus according to the above first preferred embodiment of the present invention, illustrating the deflection angle of the guiding barrel. -
FIG. 5 is a perspective view of the handle of the bow-and-arrow apparatus according to the above first preferred embodiment of the present invention, illustrating the non-circular cross section of the handle. -
FIG. 6 illustrates the holding position of the bow-and-arrow apparatus according to the above first preferred embodiment of the present invention. -
FIG. 7 is a perspective view of a Lien's bow-and-arrow apparatus according to a preferred second embodiment of the present invention. -
FIG. 8 is a front view of the bow-and-arrow apparatus according to the above second preferred embodiment of the present invention. - Referring to
FIGS. 1 and 2 of the drawings, a Lien's bow-and-arrow apparatus according to a preferred first embodiment of the present invention is illustrated, wherein the bow-and-arrow apparatus comprises a Lien'sarrow 10 and a Lien's bow. - The
arrow 10 is a non fletching type arrow and comprises anelongated shaft 11 and defining anarrow head 12 and arear end 13. Preferably, therear end 13 of thearrow 10 is a round end. Accordingly, there is no fletching element provided at theshaft 11 of thearrow 10. - The bow comprises a
rigid bow frame 20 having twoends 21 and defining a longitudinal axis between the twoends 21, and a tension unit 30 which comprises anelastic cable 31 extended between theends 21 of thebow frame 20, wherein theelastic cable 31 is extended at a rear side of thebow frame 20 along the longitudinal axis thereof. - The bow further comprises a guidance unit 40 provided at a middle of the
bow frame 20 for setting thearrow 10 at a position that the rear end of thearrow 10 is biased against a middle of theelastic cable 31, wherein theelastic cable 31 is drawn back to build tension thereof for shooting thearrow 10. As show inFIG. 1 , theelastic cable 31 has an elongated flat structure defining aflat surface 311 for therear end 13 of thearrow 10 biasing thereat, wherein theflat surface 311 of theelastic cable 31 faces toward the rear side of thebow frame 20. In other words, the width of theelastic cable 31 is substantially larger than a thickness of theelastic cable 31 to form a flat configuration. Preferably, the width of theflat surface 311 of theelastic cable 31 is larger than a diameter of therear end 13 of thearrow 10. - According to the preferred embodiment, the
arrow 10 further has anotch 14 formed at the rear portion of theshaft 11, and acoarse surface 15 provided at the outer circumferential surface of theshaft 11. - According to the preferred embodiment, the
bow frame 20 is formed as a horizontal bow that theends 21 of thebow frame 20 are defined at the two side ends of thebow frame 20, wherein theelastic cable 31 is extended between the side ends of thebow frame 20. Thebow frame 20 has a pair ofidentical bow wings 22 and defines theends 21 thereat, and a center throughslot 23 formed at the middle of thebow frame 20, i.e. the middle of thebow wings 22. Preferably, thebow frame 20 is made of rigid and light weight material such as metal or wood, that thebow frame 20 does not provide any flexibility with respect to thearrow 10. - The tension unit 30 further comprises a
securing unit 32 formed at a front side of thebow frame 10, and twolocking units 33 provided at two ends of theelastic cable 31 to couple with thesecuring unit 32, such that the two ends of theelastic cable 31 are extended and encircled at the twoends 21 of thebow frame 20 to affix at the front side of thebow frame 10. Accordingly, the two ends of theelastic cable 31 are affixed to the front side of thebow wings 22 of thebow frame 20 respectively. It is worth mentioning that since theelastic cable 31 is not directly affixed to theends 21 of thebow frame 20, the tension of theelastic cable 31 will not be directly applied at the ends of thebow frame 20 only. In other words, theelastic cable 31 is extended from the front side of thebow frame 10 to the rear side thereof through the two ends 21, the tension of theelastic cable 31 will evenly apply to theentire bow frame 10 so as to ensure the even tension being built at theelastic cable 21 when theelastic cable 21 is drawn backwardly. - As shown in
FIGS. 2 and 3 , the securingunits 32 has a plurality of securingslots 321 spacedly formed at the front side of thebow frame 10. Preferably, the securingslots 321 are evenly formed at the front side of thebow wings 22 respectively. - Each of the locking
units 33 comprises twotension adjusters 331 selectively engaged with two of the securingslots 321 and twocable lockers 332 provided at the two ends of theelastic cable 31 and detachably coupled with the twotension adjusters 331 to selectively control the tension of theelastic cable 31 between the two ends 21 of thebow frame 10. Accordingly, when the twotension adjusters 331 are engaged with two securingslots 321 located close to the center throughslot 23, i.e. close to the middle of thebow frame 20, theelastic cable 31 will be stretched out more to more tensionally prolong the length thereof. Therefore, the tension of theelastic cable 31 between the two ends 21 of thebow frame 10 will be increased. Likewise, when the twotension adjusters 331 are engaged with two securingslots 321 located close to the two ends 21 of thebow frame 10, theelastic cable 31 will be stretched out lesser to less tensionally prolong the length thereof. Therefore, the tension of theelastic cable 31 between the two ends 21 of thebow frame 10 will be reduced. - As shown in
FIG. 2 , each of thetension adjusters 331 is selectively, detachably, and securely engaged one of the securingslots 321. Thecable locker 332, preferably having a ring shape, securely affixed to the respective end of theelastic cable 31 to detachably couple with thetension adjusters 331. It is worth mentioning that thetension adjusters 331 should be engaged the corresponding securingslots 321 in pair at thebow wings 22 of thebow frame 20 to evenly distribute the tension of theelastic cable 31 at thebow frame 20. For example, when one of thetension adjusters 331 is engaged with the securingslot 321 at onebow wing 22 of thebow frame 20 closest to the center throughslot 23, anothertension adjusters 331 should be engaged with the securingslot 321 at anotherbow wing 22 of thebow frame 20 closest to the center throughslot 23. In other words, the length of the end portion of theelastic cable 31 at front side of onebow wing 22 of thebow frame 20 should be the same as the length of the end portion of theelastic cable 31 at front side of anotherbow wing 22 of thebow frame 20. - It is worth mentioning that the
tension adjusters 331 can be directly affixed to the ends of theelastic cable 31 to selectively, detachably, and securely engage two of the securingslots 321, wherein thecable lockers 332 can be omitted. Likewise, thecable lockers 332 can be integrally formed at the ends of theelastic cable 31 to detachably couple with thetension adjusters 331. - In order to ensure the
elastic cable 31 being encircled at the two ends 21 of thebow frame 20, thebow frame 20 further comprises two retainingslots 24 formed at the two ends 21 of thebow frame 20, wherein two end portions of theelastic cable 31 are slid into the retainingslots 24 respectively in order to affix the two ends of theelastic cable 31 at the front side of thebow frame 20. - As shown in
FIGS. 2 and 3 , the retainingslots 24 are formed at the two ends 21 of thebow frame 20 along the longitudinal axis thereof. Each of the retainingslots 24 has anouter narrowing portion 241 extended from therespective end 21 of thebow frame 20 and an innerenlarged portion 242 extended from the narrowingportion 241. The narrowingportion 241 of the retainingslot 24 is an opened end slot along the longitudinal axis, wherein the opening of the narrowingportion 241 of the retainingslot 24 is formed at the sidewall of therespective end 21 of thebow frame 20. In particular, the narrowingportion 241 of the retainingslot 24 has a uniform width that the sidewalls of the narrowingportion 241 of the retainingslot 24 are extended parallelly. Accordingly, the width of the narrowingportion 241 of the retainingslot 24 is smaller than the width of theelastic cable 31. - The
enlarged portion 242 of the retainingslot 24 is a closed end slot, wherein theenlarged portion 242 of the retainingslot 24 has a circular shape and defines an inner curved surface thereat. The diameter of theenlarged portion 242 of the retainingslot 24, i.e. the width thereof, is larger than the width of the narrowingportion 241 of the retainingslot 24. However, the diameter of theenlarged portion 242 of the retainingslot 24 is smaller than the width of theelastic cable 31. Therefore, when theelastic cable 31 is slid into theenlarged portion 242 of the retainingslot 24 through the narrowingportion 241 thereof, theelastic cable 31 is frictionally engaged with the inner curved surface of theenlarged portion 242 of the retainingslot 24 so as to frictionally retain theelastic cable 31 at therespective end 21 of thebow frame 20. In other words, theflat surface 311 of theelastic cable 31 will be deformed to form a curved configuration when theflat surface 311 of theelastic cable 31 is frictionally engaged with the inner curved surface of theenlarged portion 242 of the retainingslot 24. - Since the
elastic cable 31 is frictionally engaged with the two ends of thebow frame 20, the tension of theelastic cable 31 can be further selectively controlled. Accordingly, when theelastic cable 31 is pulled from the front side of thebow frame 20, i.e. pulling the end portions of theelastic cable 31 between the ends thereof and theends 21 of thebow frame 20, theelastic cable 31 will be frictionally slid at the inner curved surface of theenlarged portion 242 of the retainingslot 24 toward the front side of thebow frame 20. Therefore, theelastic cable 31 will be further stretched between theends 21 of thebow frame 20 to increase the tension of theelastic cable 31. When theelastic cable 31 is pulled from the rear side of thebow frame 20, i.e. pulling the mid-portion of theelastic cable 31 between theends 21 of the bow frame, theelastic cable 31 will be frictionally slid at the inner curved surface of theenlarged portion 242 of the retainingslot 24 toward the rear side of thebow frame 20. Therefore, theelastic cable 31 will be less stretched between theends 21 of thebow frame 20 to reduce the tension of theelastic cable 31. - It is worth mentioning that the user is able to replace or change the
elastic cable 31 rapidly by detaching thecable lockers 332 from thetension adjusters 331 and removing theelastic cable 31 from the retainingslots 24. - According to the preferred embodiment, the guidance unit 40 comprises a
tubular guiding barrel 41 transversely extended from thebow frame 20. In particular, the guidingbarrel 41 is perpendicularly extended at the middle of thebow frame 20 for slidably loading thearrow 10 within the guidingbarrel 41. In particular, the guidingbarrel 41 is slidably extended through the center throughslot 23 of thebow frame 20. A diameter of the guidingbarrel 41 is slightly larger than a diameter of thearrow 10. Accordingly, a rear portion of the guidingbarrel 41 is rearwardly extended out of the rear side of thebow frame 20 to form a deflection control portion of the guidingbarrel 41. A front portion of the guidingbarrel 41 is frontwardly extended out of the front side of thebow frame 20 to form a guidance control portion of the guidingbarrel 41. - The guiding
barrel 41 has a length shorter than the length of thearrow 10. However, the length of the guidingbarrel 41 is substantially longer than the distance between the front and rear sides of thebow frame 20. Therefore, when thearrow 10 is loaded at the guidingbarrel 41, thearrow 10 can be held and supported at thebow frame 20. It is worth mentioning that when thebow frame 20 is retained at a horizontal position or at a rearward tilt position, thearrow 10 will be held by the guidingbarrel 41 and will not be dropped out from thebow frame 20. Only when thebow frame 20 is held at a front tilt position, thearrow 10 may slid out of the guidingbarrel 41. Therefore, the guidingbarrel 41 will also hold thearrow 10 at thebow frame 20 in position. - It is worth mentioning that the rear end of the guiding
barrel 41 is aligned with and pointed at the middle of theelastic cable 31 between the two ends 21 of thebow frame 20. Therefore, when thearrow 10 is loaded at the guidingbarrel 41, therear end 13 of thearrow 10 will be automatically slid out of the rear end of the guidingbarrel 41 and biased against the middle of theelastic cable 31. Therefore, the user is able to simply hold and drawn therear end 13 of thearrow 10 backward that therear end 13 of thearrow 10 will be automatically located the middle of theelastic cable 31. It is important that when theelastic cable 31 is drawn backward, the tension of theelastic cable 31 will be built evenly at the middle thereof towards theends 21 of thebow frame 20. Therefore, when theelastic cable 31 is released, the tension of theelastic cable 31 will be evenly applied to thearrow 10 to shoot thearrow 10 correctly. - Accordingly, a rear end of the guiding
barrel 41 is rearwardly extended from thebow frame 20 at the rear side thereof at a position that therear end 13 of thearrow 10 is rearwardly extended out of the rear end of the guidingbarrel 41 to bias against theelastic cable 31. Therefore, the use is able to hold therear end 13 of thearrow 10 and to draw theelastic cable 31 backward at the same time as a firing position. In particular, the guidingbarrel 41 is selectively adjusted a distance between the rear end of the guidingbarrel 41 and theelastic cable 31. - In particular, when the
arrow 10 is loaded at the guidingbarrel 41, thenotch 14 of thearrow 10 is extended out of the rear end of the guidingbarrel 41. Therefore, the user is able to feel and hold thenotch 14 of thearrow 10 in order to draw therear end 13 of thearrow 10 with theelastic cable 31 backward at the same time. Thecoarse surface 15 of thearrow 10 will provide enough friction in order for the user to hold therear end 13 of thearrow 10 tightly. - As shown in
FIG. 2 , the guidingbarrel 41 has an outer threaded portion to rotatably engage with an inner threaded portion of the center throughslot 23 of thebow frame 20. Therefore, the distance between the rear end of the guidingbarrel 41 and theelastic cable 31 can be selectively adjusted. In other words, the deflection control portion of the guidingbarrel 41 can be selectively controlled as shown inFIG. 4 . - When the guiding
barrel 41 is rotated at one direction to increase the length of the deflection control portion of the guidingbarrel 41, the distance between the rear end of the guidingbarrel 41 and theelastic cable 31 will be reduced. Likewise, when the guidingbarrel 41 is rotated at the opposed direction to decrease the length of the deflection control portion of the guidingbarrel 41, the distance between the rear end of the guidingbarrel 41 and theelastic cable 31 will be increased. - As shown in
FIG. 4 , the deflection control portion of the guidingbarrel 41 is arranged to control a deflection angle for thearrow 10, wherein the deflection angle is defined at the middle of thebow frame 20 and the opening width of the rear end of the guidingbarrel 41. Accordingly, when the length of the deflection control portion of the guidingbarrel 41 is increased, the deflection angle Θ1 will be reduced so as to minimize the deflection of thearrow 10 when theelastic cable 31 is released at the firing position. When the length of the deflection control portion of the guidingbarrel 41 is decreased, the deflection angle Θ2 will be increased. By comparing the different positions of the deflection control portion of the guidingbarrel 41 inFIG. 4 , the deflection angle Θ1 and the deflection angle Θ2 will be changed, wherein the deflection angle Θ1 is smaller than the deflection angle Θ2. Therefore, the user is able to adjust the deflection angle by selectively adjusting the position of the guidingbarrel 41 with respect to thebow frame 20. It is worth mentioning that the deflection control portion of the guidingbarrel 41 cannot be further extended from the rear side of thebow frame 20 to contact the rear end of the guidingbarrel 41 with theelastic cable 31. In fact, the maximum length of the deflection control portion of the guidingbarrel 41 is controlled that theelastic cable 31 is released after theelastic cable 31 is drawn backward, theelastic cable 31 will not bound back to hit the rear end of the guidingbarrel 41. In other words, theelastic cable 31 will not contact with the rear end of the guidingbarrel 41 at anytime. If theelastic cable 31 is released to hit the rear end of the guidingbarrel 41, theelastic cable 31 will be damaged. After theelastic cable 31 is repeatedly hit the rear end of the guidingbarrel 41, theelastic cable 31 will be broken. Therefore, the deflection control portion of the guidingbarrel 41 should not be further extended from the rear side of thebow frame 20 to prevent theelastic cable 31 hitting at the rear end of the guidingbarrel 41 so as to prolong the service life span of theelastic cable 31. - The guidance unit 40 further comprises a
front locker 42 and arear locker 43 to lock up the guidingbarrel 41 at thebow frame 20. Thefront locker 42, preferably a ring shaped locker being actuated by hand, is coaxially coupled at the guidingbarrel 41 at the front side of thebow frame 20. Thefront locker 42 has an inner threaded portion rotatably engaged with the outer threaded portion of the guidingbarrel 41. Likewise, therear locker 43, preferably a ring shaped locker being actuated by hand, is coaxially coupled at the guidingbarrel 41 at the rear side of thebow frame 20. Therear locker 43 has an inner threaded portion rotatably engaged with the outer threaded portion of the guidingbarrel 41. Therefore, once the position of the guidingbarrel 41 is adjusted and set, the user is able to rotate the front andrear lockers barrel 41. - Furthermore, the guidance unit 40 further comprises a front
protective cap 44, having a tubular shape, coaxially coupled at the front end of the guidingbarrel 41. Accordingly, the frontprotective cap 44 is coupled at the outer circumferential side of the guidingbarrel 41, wherein when the bow is accidentally dropped on the ground, the front end of the guidingbarrel 41 may be bent or broken. Then, thearrow 10 cannot be loaded at the guidingbarrel 41 or cannot be shot accurately. The frontprotective cap 44 will protect the front end of the guidingbarrel 41. In addition, the frontprotective cap 44 further has an aimingmember 441 protruded upwardly and aligned with the shooting direction of thearrow 10, i.e. the alignment of guidingbarrel 41. It is worth mentioning that thearrow 10 will be guided to shoot along the guidingbarrel 41. Thearrow 10 will leave the guidingbarrel 41 at the front end thereof. Therefore, the aimingmember 441 will guide the user to aim the target properly. - According to the preferred embodiment, the bow further comprises a
handle 50, having a non-circular cross section, transversely extended from thebow frame 20 for the user to hold thebow frame 20. In particular, thehandle 50 is perpendicularly and downwardly extended from the middle of thebow frame 20 to form a T-shaped configuration. Accordingly, the user is able to use one hand to grip thehandle 50 and another hand to draw theelastic cable 31 and therear end 13 of thearrow 10 backward. The user is also able to locate thebow frame 20 different positions via thehandle 50 that thebow frame 20 can be held at the horizontal position, the vertical position, or a slanted position, as shown inFIG. 6 . - As shown in
FIG. 5 , thehandle 50 comprises an elongatedpalm gripping member 51 and an elongatedfinger gripping member 52 provided at a front side of the grippingmember 51, wherein each of thepalm gripping member 51 and thefinger gripping member 52 has a non-circular cross section. In addition, a width of thepalm gripping member 51 is larger than a width of thefinger gripping member 52. - Preferably, the
palm gripping member 51 has a rectangular cross section defining two corneringedges 511, wherein when the hand of the user grips at thepalm gripping member 51, the two corneringedges 511 of thepalm gripping member 51 will biased against the palm of the user's hand. Thefinger gripping member 52 generally has a rectangular cross section but forms a curvedfront surface 521 for matching with the curvature of the fingers of the user's hand when the fingers thereof press against thefinger gripping member 52. It is worth mentioning that if thehandle 50 has a circular cross section, the user's hand may grip at the circular handle without any proper gripping position. Thearrow 10 may be slightly pointed sidewardly via the guidingbarrel 41 when the circular handle is slightly turned and gripped by the user's hand. Therefore, when the two corneringedges 511 of thepalm gripping member 51 are biased against the palm of the user's hand, the user can feel the proper gripping position of thehandle 50. In other words, when thehandle 50 is slightly turned, the two corneringedges 511 of thepalm gripping member 51 will biased against different locations of the palm of the user's hand that the user can feel the slightly change of the direction of thearrow 10. It is worth mentioning that thehandle 50 will provide a three-point alignment, i.e. the two corneringedges 511 of thepalm gripping member 51 and the apex of the curvedfront surface 521 of thefinger gripping member 52, when thehandle 50 is gripped by the user's hand. - Furthermore, the
palm gripping member 51 further has a T-shaped configuration and defines two supportingsurfaces 512 resting on the thumb and the index finger of the user's hand when thehandle 50 is gripped. The supportingsurfaces 512 will to ensure thebow frame 20 being stably held by the user's hand. Also, the supportingsurfaces 512 of thepalm gripping member 51 will ensure the distance between the user's hand and thebow frame 20 to prevent the backward drawnelastic cable 31 being blocked by the user's hand. - According to the preferred embodiment, the bow further comprises a
weighting member 60 mounted on the middle of thebow frame 20 on a top side thereof to align with thehandle 50 to substantially apply a downward weight force toward thehandle 50. The weight force of theweighting member 60 will ensure the balance of thebow frame 20 between the twobow wings 22 when thehandle 50 is gripped at the user's hand. Theweighting member 60 further has an aimingguide 61 aligned with the guidance unit 40 for enabling the user to aim the target. Accordingly, theweighting member 60 has a flat top surface, wherein the aimingguide 61 is an indented groove, preferably having a V-shape, formed at the flat top surface of theweighting member 60, wherein the aimingguide 61 is located at the middle of thebow frame 20 that perpendicular to the longitudinal axis thereof and is aligned with the guidingbarrel 41. In addition, the aimingguide 61 is also aligned with the aimingmember 441 of the frontprotective cap 44 to form a double-aiming guide for shooting thearrow 10. - In order to assembly the bow of the present invention, the user is able to selectively engage the
tension adjusters 331 with two of the securingslots 321 in pair at thebow wings 22 of thebow frame 20 for controlling the tension of theelastic cable 31. Then, the user is able to slide theelastic cable 31 into the retainingslots 24 such that theelastic cable 31 will frictionally engage with the inner curved surfaces of theenlarged portions 242 of the retainingslots 24. The user will then able to detachably couple the twocable lockers 332 with the twotension adjusters 331 respectively. By pulling theelastic cable 31 from either the front side or the rear side of thebow frame 20, the tension of theelastic cable 31 can be further fine-adjusted between the two ends 21 of thebow frame 20. - In order to use the present invention, the user is able to load the
arrow 10 at the guidingbarrel 41 from the front opening end thereof Once thebow frame 20 is tilted to backward, thearrow 10 will be slid backward at a position that therear end 13 of thearrow 10 will automatically biased against the middle of theelastic cable 31. It is worth mentioning that thenotch 14 of thearrow 10 is extended out of the rear end of the guidingbarrel 41. Therefore, the user is able to hold thenotch 14 of thearrow 10 in order to draw therear end 13 of thearrow 10 with theelastic cable 31 backward at the same time to build the tension of theelastic cable 31. When theelastic cable 31 is released, the tension of theelastic cable 31 will be transformed into a shooting force to shoot thearrow 10 out of the guidingbarrel 41. - As shown in
FIGS. 7 and 8 , a Lien's bow according to a second embodiment illustrates an alternative mode of the first embodiment, wherein the structural configuration of the bow of the first embodiment is similar to that of the second embodiment except thehandle 50′. - According to the second embodiment, the
handle 50′, having a non-circular cross section, is integrally extended from one of theends 21 of thebow frame 20 along the longitudinal axis thereof to form an elongated configuration. In other words, thebow frame 20 is formed as a vertical bow that the ends 21 of thebow frame 20 are defined at the bottom end and the top end of thebow frame 20, wherein theelastic cable 31 is extended between the top and bottom ends of thebow frame 20. Preferably, thehandle 50′ is integrally extended from thebottom end 21 of thebow frame 20. - The
handle 50′ has a rectangular cross section defining two corneringedges 501′, wherein when the hand of the user grips at thehandle 50′, the two corneringedges 501′ of thehandle 50′ will biased against the palm of the user's hand. - One of the retaining
slots 24 is formed at thetop end 21 of thebow frame 20 while another retainingslot 24 is formed at thebottom end 21 of thebow frame 20, wherein two end portions of theelastic cable 31 are slid into the retainingslots 24 respectively in order to affix the two ends of theelastic cable 31 at the front side of thebow frame 20. - The retaining
slot 24 at thetop end 21 of thebow frame 20 is formed along the longitudinal axis thereof. The retainingslot 24 at thebottom end 21 of thebow frame 20 is formed perpendicular to the longitudinal axis thereof. It is worth mentioning that each of the retainingslots 24 also has theouter narrowing portion 241 and the innerenlarged portion 242. Theenlarged portions 242 of the two retainingslots 24 are aligned with the longitudinal axis of thebow frame 20. In other words, the narrowingportion 241 of the retainingslot 24 at thetop end 21 of thebow frame 20 is upwardly extended to form a top opening of the retainingslot 24. The narrowingportion 241 of the retainingslot 24 at thebottom end 21 of thebow frame 20 is sidewardly extended to form a side opening of the retainingslot 24. - The
weighting member 60′ is mounted on thetop end 21 of thebow frame 20 to align with thehandle 60′. Preferably, twoweighting member 60′ are mounted at two opposed sidewalls of thetop end 21 of thebow frame 20 to keep the balance of thebow frame 20 when thehandle 60′ is gripped by the user's hand. - According to the present invention, the
arrow 10 can be formed to have asharp arrow head 12 for professional use. It would be formed as a suction cup head as a toy for young child to play with. - One skilled in the art will understand that the embodiment of the present invention as shown in the drawings and described above is exemplary only and not intended to be limiting.
- It will thus be seen that the objects of the present invention have been fully and effectively accomplished. It embodiments have been shown and described for the purposes of illustrating the functional and structural principles of the present invention and is subject to change without departure from such principles. Therefore, this invention includes all modifications encompassed within the spirit and scope of the following claims.
Claims (24)
1. A bow for a trajectory of an arrow, comprising:
a rigid bow frame having two ends and defining a longitudinal axis between said two ends;
a tension unit which comprises an elastic cable extended between said ends of said bow frame, wherein said elastic cable is extended at a rear side of said bow frame along said longitudinal axis thereof; and
a guidance unit provided at a middle of said bow frame for setting said arrow at a position that a rear end of said arrow is biased against a middle of said elastic cable, wherein said elastic cable is drawn back to build tension thereof for shooting said arrow.
2. The bow, as recited in claim 1 , wherein said elastic cable has an elongated flat structure defining a flat surface for said rear end of said arrow biasing thereat.
3. The bow, as recited in claim 1 , wherein said tension unit further comprises a securing unit formed at a front side of said bow frame, and two locking units provided at two ends of said elastic cable to couple with said securing unit, such that said two ends of said elastic cable are extended and encircled at said two ends of said bow frame to affix at said front side of said bow frame.
4. The bow, as recited in claim 3 , wherein said bow frame further comprises two retaining slots formed at said two ends of said bow frame, wherein two end portions of said elastic cable are slid into said retaining slots respectively in order to affix said two ends of said elastic cable at said front side of said bow frame.
5. The bow, as recited in claim 4 , wherein each of said retaining slots has an outer narrowing portion extended from said respective end of said bow frame and an inner enlarged portion extended from said narrowing portion, wherein said narrowing portion of said retaining slot has a uniform width, wherein said enlarged portion of said retaining slot has a circular shape and has a diameter larger than said width of said narrowing portion and smaller than a width of said elastic cable, such that when said elastic cable is slid into said enlarged portion of said retaining slot through said narrowing portion thereof, said elastic cable is frictionally engaged with an inner curved surface of said enlarged portion of said retaining slot so as to frictionally retain said elastic cable at said respective end of said bow frame.
6. The bow, as recited in claim 3 , wherein said securing units has a plurality of securing slots spacedly formed at said front side of said bow frame, wherein each of said locking units comprises two tension adjusters selectively engaged with two of said securing slots and two cable lockers provided at said two ends of said elastic cable and detachably coupled with said two tension adjusters to selectively control said tension of said elastic cable between said two ends of said bow frame.
7. The bow, as recited in claim 1 , wherein said guidance unit comprises a tubular guiding barrel perpendicularly extended at the middle of said bow frame for slidably loading said arrow within said guiding barrel, wherein a rear end of said guiding barrel is rearwardly extended from said bow frame at said rear side thereof at a position that said rear end of said arrow is rearwardly extended out of said rear end of said guiding barrel to bias against said elastic cable.
8. The bow, as recited in claim 7 , wherein said bow frame has a center through slot formed at the middle of said bow frame, wherein said guiding barrel is slidably extended through said center through slot and is selectively adjusted a distance between said rear end of said guiding barrel and said elastic cable.
9. The bow, as recited in claim 1 , further comprising a handle, having a non-circular cross section, perpendicularly and downwardly extended from the middle of said bow frame to form a T-shaped configuration.
10. The bow, as recited in claim 9 , wherein said handle comprises an elongated palm gripping member and an elongated finger gripping member provided at a front side of said gripping member, wherein a width of said palm gripping member is larger than a width of said finger gripping member, wherein each of said palm gripping member and said finger gripping member has a non-circular cross section.
11. The bow, as recited in claim 10 , wherein said palm gripping member has a T-shaped configuration and defines two supporting surfaces.
12. The bow, as recited in claim 9 , further comprising a weighting member mounted on the middle of said bow frame on a top side thereof to align with said handle, wherein said weighting member has an aiming guide aligned with said guidance unit.
13. The bow, as recited in claim 1 , further comprising a handle, having a non-circular cross section, integrally extended from one of said ends of said bow frame along said longitudinal axis thereof to form an elongated configuration.
14. The bow, as recited in claim 13 , further comprising a weighting member mounted on another end of said bow frame to align with said handle.
15. A bow-and-arrow apparatus, comprising:
an arrow, which is a non fletching type arrow, having an elongated shaft and defining an arrow head and a rear end; and
a bow which comprises:
a rigid bow frame having two ends and defining a longitudinal axis between said two ends;
a tension unit which comprises an elastic cable extended between said ends of said bow frame, wherein said elastic cable is extended at a rear side of said bow frame along said longitudinal axis thereof; and
a guidance unit provided at a middle of said bow frame for setting said arrow at a position that said rear end of said arrow is biased against a middle of said elastic cable, wherein said elastic cable is drawn back to build tension thereof for shooting said arrow.
16. The bow-and-arrow apparatus, as recited in claim 15 , wherein said elastic cable has an elongated flat structure defining a flat surface for said rear end of said arrow biasing thereat.
17. The bow-and-arrow apparatus, as recited in claim 16 , wherein said tension unit further comprises a securing unit formed at a front side of said bow frame, and two locking units provided at two ends of said elastic cable to couple with said securing unit, such that said two ends of said elastic cable are extended and encircled at said two ends of said bow frame to affix at said front side of said bow frame.
18. The bow-and-arrow apparatus, as recited in claim 17 , wherein said tension unit further comprises a securing unit formed at a front side of said bow frame, and two locking units provided at two ends of said elastic cable to couple with said securing unit, such that said two ends of said elastic cable are extended and encircled at said two ends of said bow frame to affix at said front side of said bow frame.
19. The bow-and-arrow apparatus, as recited in claim 18 , wherein said bow frame further comprises two retaining slots formed at said two ends of said bow frame, wherein two end portions of said elastic cable are slid into said retaining slots respectively in order to affix said two ends of said elastic cable at said front side of said bow frame.
20. The bow-and-arrow apparatus, as recited in claim 19 , wherein said guidance unit comprises a tubular guiding barrel perpendicularly extended at the middle of said bow frame for slidably loading said arrow within said guiding barrel, wherein a rear end of said guiding barrel is rearwardly extended from said bow frame at said rear side thereof at a position that said rear end of said arrow is rearwardly extended out of said rear end of said guiding barrel to bias against said elastic cable.
21. The bow-and-arrow apparatus, as recited in claim 20 , wherein said bow frame has a center through slot formed at the middle of said bow frame, wherein said guiding barrel is slidably extended through said center through slot and is selectively adjusted a distance between said rear end of said guiding barrel and said elastic cable.
22. The bow-and-arrow apparatus, as recited in claim 21 , further comprising a handle, having a non-circular cross section, perpendicularly and downwardly extended from the middle of said bow frame to form a T-shaped configuration.
23. The bow-and-arrow apparatus, as recited in claim 22 , wherein said handle comprises an elongated palm gripping member and an elongated finger gripping member provided at a front side of said gripping member, wherein a width of said palm gripping member is larger than a width of said finger gripping member, wherein each of said palm gripping member and said finger gripping member has a non-circular cross section.
24. The bow-and-arrow apparatus, as recited in claim 23 , further comprising a weighting member mounted on the middle of said bow frame on a top side thereof to align with said handle, wherein said weighting member has an aiming guide aligned with said guidance unit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/694,589 US20140165981A1 (en) | 2012-12-14 | 2012-12-14 | Lien's bow |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/694,589 US20140165981A1 (en) | 2012-12-14 | 2012-12-14 | Lien's bow |
Publications (1)
Publication Number | Publication Date |
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US20140165981A1 true US20140165981A1 (en) | 2014-06-19 |
Family
ID=50929490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/694,589 Abandoned US20140165981A1 (en) | 2012-12-14 | 2012-12-14 | Lien's bow |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130333680A1 (en) * | 2012-11-07 | 2013-12-19 | The Pathfinder School Llc | Pocket hunting system |
US20150136103A1 (en) * | 2013-11-19 | 2015-05-21 | The Headhunter Spearfishing Co. | Spearfishing apparatus |
US20160084609A1 (en) * | 2014-09-19 | 2016-03-24 | Brian Lee James | Pole spear storage and launching device |
US20160123692A1 (en) * | 2013-11-15 | 2016-05-05 | Levi N. Ricke | Projectile Launching System |
CN108654040A (en) * | 2018-05-21 | 2018-10-16 | 哈尔滨工业大学 | A kind of adaptive archery auxiliary training system |
US10393469B2 (en) | 2017-07-18 | 2019-08-27 | Fibiger Company | Archery bow |
KR20220090747A (en) * | 2020-12-23 | 2022-06-30 | 김용철 | Bow toys |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130333680A1 (en) * | 2012-11-07 | 2013-12-19 | The Pathfinder School Llc | Pocket hunting system |
US9170065B2 (en) * | 2012-11-07 | 2015-10-27 | The Pathfinder School Llc | Pocket hunting system |
US20160123692A1 (en) * | 2013-11-15 | 2016-05-05 | Levi N. Ricke | Projectile Launching System |
US9417026B2 (en) * | 2013-11-15 | 2016-08-16 | Levi N. Ricke | Projectile launching system |
US20150136103A1 (en) * | 2013-11-19 | 2015-05-21 | The Headhunter Spearfishing Co. | Spearfishing apparatus |
US9414578B2 (en) * | 2013-11-19 | 2016-08-16 | Thornzander Enterprises, Inc. | Spearfishing apparatus |
US20160084609A1 (en) * | 2014-09-19 | 2016-03-24 | Brian Lee James | Pole spear storage and launching device |
US9441906B2 (en) * | 2014-09-19 | 2016-09-13 | Brian Lee James | Pole spear storage and launching device |
US10393469B2 (en) | 2017-07-18 | 2019-08-27 | Fibiger Company | Archery bow |
CN108654040A (en) * | 2018-05-21 | 2018-10-16 | 哈尔滨工业大学 | A kind of adaptive archery auxiliary training system |
KR20220090747A (en) * | 2020-12-23 | 2022-06-30 | 김용철 | Bow toys |
KR102575744B1 (en) * | 2020-12-23 | 2023-09-06 | 김용철 | Bow toys |
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