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WO2021111571A1 - Barre d'extension pour le tir à l'arc - Google Patents

Barre d'extension pour le tir à l'arc Download PDF

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Publication number
WO2021111571A1
WO2021111571A1 PCT/JP2019/047525 JP2019047525W WO2021111571A1 WO 2021111571 A1 WO2021111571 A1 WO 2021111571A1 JP 2019047525 W JP2019047525 W JP 2019047525W WO 2021111571 A1 WO2021111571 A1 WO 2021111571A1
Authority
WO
WIPO (PCT)
Prior art keywords
sectional area
extension bar
vertical cross
support portion
vertical
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.)
Ceased
Application number
PCT/JP2019/047525
Other languages
English (en)
Japanese (ja)
Inventor
深作 安井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CSG Investments Co Ltd
Original Assignee
CSG Investments Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CSG Investments Co Ltd filed Critical CSG Investments Co Ltd
Priority to US17/781,457 priority Critical patent/US20230021845A1/en
Priority to PCT/JP2019/047525 priority patent/WO2021111571A1/fr
Publication of WO2021111571A1 publication Critical patent/WO2021111571A1/fr
Anticipated expiration legal-status Critical
Priority to US29/905,759 priority patent/USD1077966S1/en
Ceased legal-status Critical Current

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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
    • F41B5/14—Details of bows; Accessories for arc shooting
    • F41B5/1403—Details of bows
    • F41B5/1426—Bow stabilisers or vibration dampers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G1/00—Sighting devices
    • F41G1/46—Sighting devices for particular applications
    • F41G1/467—Sighting devices for particular applications for bows

Definitions

  • the present invention relates to an archery extension bar for arranging an archery sight at a position extending forward from the bow body.
  • the sight should be placed at a predetermined distance from the shooter's eyes and extended forward from the bow to allow the shooter to aim accurately.
  • a sighting device is attached to the tip of an extension bar fixed to the above (see, for example, Patent Document 1).
  • the sighting device attached to the tip of the extension bar also receives vibration.
  • the sight is composed of multiple parts, and when it receives strong vibration, the parts that make up the sight may loosen, making it difficult to reproduce the exact position of the sight. It was.
  • loosening of the parts that make up the sight creates a gap between the parts, and if strong vibration is applied, the parts may rub against each other or collide with each other, causing abnormal noise, resulting in high concentration. There was a problem that it would put a great deal of stress on the shooter who needed it.
  • a vibration absorber made of an elastic material formed in a tubular shape is fitted on the outer periphery of the extension bar, and the vibration absorber absorbs the vibration of the extension bar to absorb the vibration of the extension bar.
  • the vibration is attenuated and the vibration transmitted to the sight is reduced.
  • the above-mentioned means for reducing the vibration of the extension bar is such that the vibration of the extension bar is absorbed by the vibration absorber. Therefore, in order to improve the vibration absorption effect, the vibration absorber must be thickened. As a result, there is a problem that it may be annoying to the shooter, and if the thickness of the vibration absorber is reduced to avoid the obstruction of the shooter, the annoyance of the shooter is alleviated, but a satisfactory vibration absorption effect cannot be obtained. There is a problem such as. Further, there are problems that the vibration absorber must be prepared at all times and that the troublesome work such as fitting the vibration absorber to the extension bar is forced.
  • the present inventor has focused on solving the problem by the shape of the extension bar itself, and has come up with the present invention.
  • An object of the present invention is to provide an extension bar for archery having a function of attenuating vibration received by restoration of a bow portion when an arrow is shot.
  • the invention according to claim 1 includes a support portion having a predetermined length, a fixing portion fixed to an arch portion on one end side in the longitudinal direction of the support portion, and other than the support portion.
  • An archery extension bar having a mounting portion for attaching a sighting device on the end side, and having a small vertical cross-sectional area having a vertical cross-sectional area smaller than the vertical cross-sectional area of the fixed portion over the entire or part of the longitudinal direction of the support portion. It is characterized by being formed.
  • a small vertical cross-sectional area having a vertical cross-sectional area smaller than the vertical cross-sectional area of the fixed portion is formed in the entire or part of the longitudinal direction of the support portion, a bow is formed when an arrow is shot.
  • the vibration transmitted to the fixed portion due to the impact when the portion is restored is dampened by the small vertical cross-sectional area portion of the support portion, the swing width of the tip can be reduced, and the swing can be quickly settled. ..
  • the vibration received by the sighting device is also reduced, loosening or misalignment between the parts constituting the sighting device can be prevented, and the accurate reproduction of the position of the sighting device can be facilitated. Further, since the loosening of the parts constituting the sighting device is prevented, it is possible to suppress the generation of abnormal noise due to rubbing or collision between the parts.
  • the invention according to claim 2 is characterized in that the small vertical cross-sectional area according to claim 1 is formed with a gradual reduction portion in which the vertical cross-sectional area gradually decreases from the fixed portion side to the mounting portion side. And.
  • the small vertical cross-sectional area portion is formed with a gradual reduction portion in which the vertical cross-sectional area gradually decreases from the fixed portion side to the mounting portion side.
  • the longitudinal cross-sectional area can be gradually reduced toward the tip, and vibration can be effectively damped.
  • the support portion, the fixing portion, and the attachment portion according to any one of claims 1 or 2 are integrally formed of a long plate-shaped member.
  • the small vertical cross-sectional area portion is characterized in that it is formed by making the entire vertical width of the support portion or a part of the vertical vertical width of the support portion shorter than the vertical vertical width of the fixed portion.
  • the support portion, the fixing portion, and the mounting portion are integrally formed of a long plate-shaped member, and the small vertical cross-sectional area portion is formed in the longitudinal direction of the support portion. Since the entire or part of the vertical vertical width in the vertical direction is made shorter than the vertical vertical width of the fixed portion, the small vertical cross-sectional area smaller than the vertical cross-sectional area of the fixed portion can be easily formed on the support portion. Can be formed.
  • the support portion, the fixing portion, and the attachment portion according to any one of claims 1 or 2 are integrally formed on a long plate-shaped member.
  • the small vertical cross-sectional area has a vertical width in the entire longitudinal direction or a part of the support portion shorter than the vertical width in the vertical direction of the fixed portion, and a thickness in the entire longitudinal direction or a part of the support portion. It is characterized in that it is formed by making the width in the direction shorter than the width in the thickness direction of the fixed portion.
  • the support portion, the fixing portion, and the mounting portion are integrally formed on a long plate-shaped member, and the small vertical cross-sectional area is formed in the longitudinal direction of the support portion.
  • the entire or part of the vertical width in the vertical direction is shorter than the vertical width of the fixed portion, and the entire length or part of the vertical width of the support portion in the thickness direction is the width in the thickness direction of the fixed portion. Since it is formed by making the width shorter, it is possible to more easily form the small vertical cross-sectional area portion smaller than the cross-sectional area of the fixed portion on the support portion.
  • the invention according to claim 5 is the plate-shaped member according to any one of claims 3 or 4, wherein the length in the longitudinal direction is the length of the fixing portion, the supporting portion, and the mounting portion.
  • the plate-shaped member has a substantially rectangular shape having a length in the longitudinal direction corresponding to the length of the fixing portion, the supporting portion, and the mounting portion.
  • a main member and a substantially rectangular sub-member formed having a length longer than the vertical vertical width of the main member and a length in the longitudinal direction shorter than a length corresponding to the length of the fixed portion and the support portion. Since the sub-member is fixed to one end of the main member, the fixed portion and the small vertical cross-sectional area having a vertical cross-sectional area smaller than the vertical cross-sectional area of the fixed portion are formed.
  • the support portion and the extension bar provided with the mounting portion can be easily manufactured by fixing a plurality of substantially rectangular members that are relatively easy to mold.
  • the vibration transmitted to the fixed portion due to the impact due to the vibration accompanying the restoration of the bow portion when the arrow is shot is damped by the small vertical cross-sectional area portion of the support portion, and the tip sways.
  • the width can be reduced and the shaking can be quickly settled. This reduces the vibration received by the sight, prevents loosening and misalignment between the parts that make up the sight, and makes it easy and reliable to accurately reproduce the position of the sight. ..
  • the parts that make up the sight are prevented from loosening, it is possible to suppress the generation of abnormal noise due to rubbing and collision between parts, making it suitable for shooters due to abnormal noise in archery competitions that require high concentration.
  • the stress given can be relieved.
  • a shock absorber as in the past, there is no problem such as annoying the shooter, and the troublesomeness of having to always prepare a shock absorber and the extension bar The shooter can be freed from the troublesome work of fitting the shock absorber.
  • FIG. 1 It is a side view which shows the other example of the support part of the extension bar of 1st example. It is a perspective view which shows the 2nd example of the embodiment of the extension bar for archery which concerns on this invention. It is a top view of the extension bar shown in FIG. It is a perspective view which shows the 3rd example of the embodiment of the extension bar for archery which concerns on this invention. It is an exploded explanatory view of the extension bar shown in FIG.
  • FIG. 1 to 8 show a first example of the embodiment of the archery extension bar according to the present invention
  • FIG. 1 shows a state in which an aiming device is attached to an archery extension bar fixed to an arch portion via a fixing member.
  • FIG. 2 is an explanatory view showing an extension bar to which the fixing member and the sighting device shown in FIG. 1 are attached
  • FIG. 3 is a first example of an embodiment of the archery extension bar according to the present invention.
  • 4 is a plan view of the extension bar shown in FIG. 3
  • FIGS. 5, 6, 7, and 8 are side views showing another example of the support portion of the extension bar of the first example.
  • the archery bow tool is composed of a bow portion 1 and strings 2.
  • the bow portion 1 is provided with an extension bar 3 extending forward from the bow portion 1.
  • One end of the extension bar 3 is fixed to the bow portion 1 via the fixing member 4, and the sighting device 5 is attached to the other end.
  • the extension bar 3 has a fixing member 4 attached to one end thereof and a sighting device 5 attached to the other end thereof.
  • the fixing member 4 is a plate-shaped or tubular member, and includes a mounting mechanism for detachably attaching to the extension bar 3 and a fixing mechanism for fixing to the bow portion.
  • a screw S for screwing the extension bar 3 to the fixing member 4 and a through hole (not shown) are provided as a mounting mechanism.
  • the sighting device 5 is composed of a sighting device main body 6 provided with a sighting pin and an elevation bar 7 for supporting the sighting device main body 6 so as to be movable and adjustable in the vertical direction, and the extension bar 3 is provided via a mounting member 8. Attach to.
  • the extension bar 3 of the first example according to the present invention is made of a long member, and has a support portion 9 having a predetermined length, a fixing portion 10 fixed to the bow portion 1 on one end side in the longitudinal direction of the support portion 9, and a support portion 10.
  • a mounting portion 11 for mounting the sighting device 5 is provided on the other end side of the portion 9.
  • the support portion 9, the fixing portion 10, and the mounting portion 11 are integrally formed of a long plate-shaped member 12, and are specially formed between the support portion 9, the fixing portion 10, and the mounting portion 11. There is no partition.
  • a known material used for the extension bar 3 can be used, and for example, aluminum or carbon fiber is used.
  • the support portion 9 forms a small vertical cross-sectional area 13 having a vertical cross-sectional area smaller than the vertical cross-sectional area of the fixed portion 10 in the entire or part of the longitudinal direction thereof.
  • the small vertical cross-sectional area portion 13 is formed by making the vertical vertical width of the support portion 9 shorter than the vertical vertical width of the fixed portion 10.
  • the starting point 13a of the small vertical cross-sectional area portion 13 where the formation of the small vertical cross-sectional area portion 13 is started coincides with the fixed portion side end portion 14 of the support portion 9, and the small vertical cross-sectional area portion 13
  • the end point 13b of the small vertical cross-sectional area portion where the formation is completed coincides with the end portion 15 on the side of the mounting portion.
  • the formation range of the small vertical cross-sectional area 13 is not particularly limited and is not limited to the range of the first example, but the small vertical cross-sectional area 13 is arranged as close to the tip side as possible in order to effectively attenuate the vibration.
  • the end point 13b of the small vertical cross-sectional area portion is preferably formed at a position near the mounting portion side end portion 15, and more preferably formed so as to coincide with the mounting portion side end portion 15.
  • the small vertical cross-sectional area 13 of the first example is formed with a gradual reduction portion 16 in which the vertical cross-sectional area gradually decreases from the fixed portion 10 side toward the mounting portion 11.
  • the gradually reducing portion 16 of the first example is formed by forming a tapered shape in which the upper side and the lower side are inclined inward and the vertical width in the vertical direction is gradually shortened.
  • the formation position and range of the gradual reduction portion 16 are not particularly limited, but in the first example, the gradual reduction portion starting point 16a at which the formation of the gradual reduction portion 16 is started coincides with the small vertical cross-sectional area portion starting point 13a, and the gradual reduction portion 16
  • the end point 16b of the gradually reduced portion and the end point 13b of the small vertical cross-sectional area are formed so as to coincide with each other.
  • the shape of the small vertical cross-sectional area 13 is not particularly limited as long as the vertical cross-sectional area is smaller than the vertical cross-sectional area of the fixed portion 10, but if the gradually reducing portion 16 is formed as in the first example, the vertical cross section of the support portion 9 is formed. Since the area can be gradually reduced toward the tip, vibration can be effectively damped. Further, since the gradually reducing portion 16 of the first example is formed by inclining the upper side and the lower side inward, the vertical cross-sectional area of the supporting portion 9 can be gradually reduced toward the tip, and the vibration is damped. Can be done more effectively.
  • the minimum vertical cross-sectional area 13c that minimizes the vertical cross-sectional area is formed so as to coincide with the end point 13b of the small vertical cross-sectional area.
  • the formation position of the minimum vertical cross-sectional area 13c is not particularly limited, but in order to effectively attenuate the vibration, it is formed at a position near the end point 13b of the small vertical cross-sectional area so as to be as close to the tip as possible. It is desirable to do.
  • the minimum longitudinal cross-sectional area 13c does not have a width in the longitudinal direction, but the present invention is not limited to this, and the minimum longitudinal cross-sectional area 13c may be formed so as to have a width in the longitudinal direction.
  • the starting point 13a of the small vertical cross-sectional area portion 13 of the small vertical cross-sectional area portion 13 is located closer to the mounting portion 11 than the fixed portion side end portion 14 of the support portion 9.
  • the vertical width of the fixed portion side end portion 14 in the vertical direction is wider than the vertical width of the fixed portion 10
  • the portion of the support portion 9 on the fixed portion 10 side of the small vertical cross-sectional area 13 is the fixed portion 10. It is larger than the vertical cross-sectional area of.
  • the support portion 9 may have a vertical cross-sectional area larger than the vertical cross-sectional area of the fixed portion 10 in a part thereof.
  • the support portion 9 shown in FIG. 6 is different from the support portion 9 shown in FIG. 3 in that the gradually reducing portion 16 is formed in a stepped shape in which the upper side and the lower side are inward from the fixed portion 10 side toward the mounting portion 11.
  • the gradual reduction portion 16 is formed by gradually reducing the vertical width in the vertical direction.
  • the shape of the gradually reducing portion 16 may be any shape as long as the vertical cross-sectional area is gradually reduced from the fixing portion 10 side to the mounting portion 11 side, and the shape is not particularly limited.
  • the support portion 9 shown in FIG. 7 does not form a gradual reduction portion 16, and the vertical cross-sectional area of the small vertical cross-sectional area 13 is a longitudinal section of the fixed portion 10 at the starting point 13a of the small vertical cross-sectional area. It is formed so as to be smaller than the area. Further, the upper side and the lower side are parallel to each other to form the small vertical cross-sectional area portion 13, and the entire area in the longitudinal direction from the starting point 13a of the small vertical cross-sectional area portion to the end point 13b of the small vertical cross-sectional area portion is formed to be the minimum vertical cross-sectional area portion 13c. There is. As described above, the support portion 9 does not have to form the gradually reducing portion 16, and the entire longitudinal direction of the small vertical cross-sectional area 13 may be the minimum vertical cross-sectional area 13c.
  • the support portion 9 shown in FIG. 8 is formed with a protruding small vertical cross-sectional area 13d that does not exceed the vertical vertical width of the fixed portion 10 in the small vertical cross-sectional area 13. .. As described above, in the small vertical cross-sectional area portion 13, a portion where the vertical cross-sectional area increases toward the tip may be formed.
  • the ratio of the vertical cross-sectional area of the minimum vertical cross-sectional area 13c to the vertical cross-sectional area of the fixed portion 10 in the small vertical cross-sectional area 13 formed on the support portion 9 is the material forming the extension bar 3, the length in the longitudinal direction of the extension bar 3. It is determined by the size of the vertical cross-sectional area of the fixed portion 10, the shape of the support portion 9, the formation position and range of the small vertical cross-sectional area 13, the presence or absence of the gradually reducing portion 16, the formation position and range, and the like, and is vibrated by the small vertical cross-sectional area 13.
  • a positioning screw hole 17 is formed in the fixing portion 10.
  • the positioning screw hole 17 is formed in a shape corresponding to the screw S which is the mounting mechanism of the extension bar 3 provided in the fixing member 4, and the screw S through which the through hole of the fixing member 4 is penetrated and the positioning screw hole 17 are formed.
  • the extension bar 3 is screwed to the fixing member 4.
  • a plurality of positioning screw holes 17 formed in the fixing portion 10 are formed in the longitudinal direction of the fixing portion 10, and when fixing the fixing portion 10, the bow portion is formed by selecting one of the positioning screw holes 17. The distance from 1 to the sight 5 can be adjusted.
  • the extension bar 3 may be attached to the fixing member 4 by a method other than screwing as long as the extension bar 3 can be securely fixed to the fixing member 4.
  • the fixing member 4 is formed in a cylinder to form the fixing member.
  • a screw hole into which the screw S is screwed is formed in place of the through hole, a positioning recess is formed in place of the positioning screw hole 17 of the fixing portion 10 of the extension bar 3, and the screw S is formed in the screw hole of the fixing member 4. Is screwed in, and the tip thereof is fitted into the positioning recess to determine the mounting position of the extension bar 3, and the extension bar 3 is pressed against the fixing member 4 by pressing the extension bar 3 with the tip of the screw S. It may be attached to the fixing member 4.
  • a mounting screw hole 18 for screwing the mounting member 8 and the mounting portion 11 is formed in the mounting portion 11.
  • the attachment of the sighting device 5 to the attachment portion 11 is not limited to screwing, and other methods may be used.
  • a small vertical cross-sectional area 13 having a vertical cross-sectional area smaller than the vertical cross-sectional area of the fixed portion 10 is formed in the entire or part of the longitudinal direction of the support portion 9. Therefore, the vibration transmitted to the fixed portion 10 due to the impact when the bow portion 1 is restored when the arrow is shot is damped by the small vertical cross-sectional area portion 13 of the support portion 9, and the swing width of the tip is reduced. , The shaking can be settled quickly. As a result, the vibration received by the sighting device 5 is also reduced, loosening and misalignment between the parts constituting the sighting device 5 can be prevented, and the accurate reproduction of the position of the sighting device 5 is easily and surely ensured. be able to. Further, since the loosening of the parts constituting the sighting device 5 is prevented, it is possible to suppress the generation of abnormal noise due to rubbing or collision between the parts.
  • the small vertical cross-sectional area 13 is formed with a gradual reduction portion 16 in which the vertical cross-sectional area gradually decreases from the fixed portion 10 side toward the mounting portion 11, the vertical cross-sectional area of the support portion 9 is directed toward the tip. Therefore, it can be gradually reduced, and the vibration can be effectively damped.
  • the support portion 9, the fixing portion 10, and the mounting portion 11 are integrally formed by a long plate-shaped member 12, and the small vertical cross-sectional area portion 13 is set to the vertical width of the support portion 9 in the vertical direction. Since the width is shorter than the vertical width in the direction, the small vertical cross-sectional area 13 having a smaller vertical cross-sectional area than the vertical cross-sectional area of the fixed portion 10 can be easily formed on the support portion 9.
  • FIG. 9 and 10 show a second example of the embodiment of the archery extension bar according to the present invention
  • FIG. 9 is a perspective view showing the archery extension bar of the second example
  • FIG. 10 shows the extension bar shown in FIG. It is a plan view of.
  • the extension bar 3 of the second example has the same basic configuration as the extension bar 3 of the first example, and the same configuration as that of the first example will be described with the same reference numerals.
  • the main difference between the second example and the first example is the configuration of the small vertical cross-sectional area 13 having a vertical cross-sectional area smaller than the vertical cross-sectional area of the fixed portion 10 formed in the entire or part of the longitudinal direction of the support portion 9. ..
  • the vertical vertical width of the support portion 9 is made shorter than the vertical vertical width of the fixed portion 10 and the thickness of the support portion 9 is set as in the first example. It is formed by making the width in the direction shorter than the width in the thickness direction of the fixed portion 10. Since other configurations are the same as those of the first example, the description of the first example is incorporated and omitted.
  • extension bar 3 of the second example configured in this way, a small vertical cross-sectional area portion 13 smaller than the cross-sectional area of the fixed portion 10 can be more easily formed on the support portion 9. Since other effects are the same as in the first example, the description of the first example is incorporated and omitted.
  • FIG. 11 and 12 show a third example of the embodiment of the archery extension bar according to the present invention
  • FIG. 11 is a perspective view showing the archery extension bar of the third example
  • FIG. 12 shows the extension bar shown in FIG. It is an exploded explanatory view of.
  • the extension bar 3 of the third example has the same basic configuration as the extension bar 3 of the first example, and the same configuration as that of the first example will be described with the same reference numerals.
  • the plate-shaped member 12 has a substantially rectangular main member 12a formed with a length in the longitudinal direction corresponding to the lengths of the support portion 9, the fixing portion 10, and the mounting portion 11, and the main member. It is composed of a substantially rectangular sub-member 12b which is longer than the vertical width of 12a and whose length in the longitudinal direction is shorter than the length of the fixed portion 10 and the length corresponding to the length of the support portion 9. It is formed by fixing the sub-member 12b to one end of the main member 12a corresponding to the fixing portion of the extension bar 3.
  • the plate-shaped member 12 By forming the plate-shaped member 12 in this way, the fixing portion 10, the support portion 9 in which the small vertical cross-sectional area 13 having a vertical cross-sectional area smaller than the vertical cross-sectional area of the fixing portion 10 is formed, and the mounting portion 11 are provided.
  • the extension bar 3 is formed.
  • the length of the auxiliary member 12b in the longitudinal direction is not particularly limited as long as the fixing portion 10 and the support portion 9 in which the small vertical cross-sectional area portion 13 is formed can be formed, but in the third example, the length in the longitudinal direction of the auxiliary member 12b is limited.
  • the length of the sub-member 12b is set to be longer than the length corresponding to the fixed portion 10, and the auxiliary member 12b constitutes a part of the support portion 9.
  • the auxiliary member 12b of the third example forms a gradual short width portion 19 at the other end thereof, in which the vertical width in the vertical direction gradually becomes shorter.
  • the extension bar 3 is formed with a gradually reduced portion 16.
  • the plate-shaped member 12 is formed by fixing one sub-member 12b to the main member 12a, but even if there are two or more sub-members 12b fixed to the main member 12a.
  • the plate-shaped member 12 may be formed by sandwiching the main member 12a between the two sub-members 12b and fixing the sub-member 12b to the main member 12a.
  • the main member 12a and the sub-member 12b are fixed by using an adhesive, but the fixing between the main member 12a and the sub-member 12b is not limited to this, for example.
  • the member 12a and the sub-member 12b can also be fixed by screwing them together with screws.
  • the extension bar 3 of the third example configured in this way, the fixing portion 10 and the supporting portion 9 on which the small vertical cross-sectional area 13 having the vertical cross-sectional area smaller than the vertical cross-sectional area of the fixing portion 10 is formed are attached.
  • the extension bar 3 provided with the portion 11 can be easily manufactured by fixing a plurality of substantially rectangular members that are relatively easy to mold. Since other configurations and effects are the same as those of the first example, the first example will be incorporated and the description thereof will be omitted.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Vibration Prevention Devices (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

Afin d'obtenir une barre d'extension pour le tir à l'arc qui atténue les vibrations transmises à une partie d'ancrage suite à des impacts provoqués par des vibrations accompagnant la récupération d'un arc lorsqu'une flèche a été tirée, qui réduit la largeur de secousse distale, et qui stabilise rapidement les secousses, une barre d'extension pour le tir à l'arc (3) comprend : une partie de support (9) d'une longueur prescrite ; une partie d'ancrage (10) qui se trouve sur un côté d'extrémité dans le sens de la longueur de la partie de support (9) et s'ancre sur un arc (1) ; et une monture (11) qui est sur l'autre côté d'extrémité de la partie de support (9) et sur laquelle une mire (5) est montée, une section à zone transversale longitudinale réduite (13), qui présente une zone transversale longitudinale plus petite que celle de la partie d'ancrage (10), est formée le long de la totalité ou d'une partie de la partie de support (9) dans la direction longitudinale.
PCT/JP2019/047525 2019-12-04 2019-12-04 Barre d'extension pour le tir à l'arc Ceased WO2021111571A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US17/781,457 US20230021845A1 (en) 2019-12-04 2019-12-04 Archery extension bar
PCT/JP2019/047525 WO2021111571A1 (fr) 2019-12-04 2019-12-04 Barre d'extension pour le tir à l'arc
US29/905,759 USD1077966S1 (en) 2019-12-04 2023-10-25 Archery extension bar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/047525 WO2021111571A1 (fr) 2019-12-04 2019-12-04 Barre d'extension pour le tir à l'arc

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US17/781,457 A-371-Of-International US20230021845A1 (en) 2019-12-04 2019-12-04 Archery extension bar
US29/905,759 Continuation-In-Part USD1077966S1 (en) 2019-12-04 2023-10-25 Archery extension bar

Publications (1)

Publication Number Publication Date
WO2021111571A1 true WO2021111571A1 (fr) 2021-06-10

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PCT/JP2019/047525 Ceased WO2021111571A1 (fr) 2019-12-04 2019-12-04 Barre d'extension pour le tir à l'arc

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WO (1) WO2021111571A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12085364B2 (en) * 2022-12-02 2024-09-10 Veritas 2, Llc Variable range bow sight mounting assembly

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US6889683B1 (en) * 2003-04-16 2005-05-10 Precision Shooting Equipment, Inc. Archery bow with accessory mounting system
US20060201005A1 (en) * 2005-03-08 2006-09-14 Lueck Eugene R Bow sight precision angle adjustment mounting bracket

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