Patent Grant
11906262
This invention relates to archery bows, which are known in the art and are used to launch projectiles, such as arrows.
In an archery bow, the energy that is transferred to the arrow during firing ultimately comes from the archer. The process of drawing the bow transfers energy from the archer to the bow. The stored energy is largely transferred to the arrow, but some energy is lost due to various inefficiencies in the bow.
There remains a need for novel archery bow designs that provide benefits in efficiency and accuracy over prior designs.
All US patents and applications and all other published documents mentioned anywhere in this application are incorporated herein by reference in their entirety.
Without limiting the scope of the invention a brief summary of some of the claimed embodiments of the invention is set forth below. Additional details of the summarized embodiments of the invention and/or additional embodiments of the invention may be found in the Detailed Description of the Invention below.
A brief abstract of the technical disclosure in the specification is provided as well only for the purposes of complying with 37 C.F.R. 1.72. The abstract is not intended to be used for interpreting the scope of the claims.
In some embodiments, an archery bow comprises a riser comprising a grip, a bowstring comprising a nocking point, a cable and a cable guard arranged to apply a force to the cable at a contact location. The bow defines a shooting axis, which is positioned in a longitudinal plane and a lateral plane. The longitudinal plane is orthogonal to the lateral plane. The bowstring is positioned in the longitudinal plane. The contact location is positioned on the lateral plane.
In some embodiments, the cable guard comprises a body member attached to the riser. In some embodiments, a longitudinal axis of the body member is oriented nonparallel to the shooting axis.
In some embodiments, the cable guard comprises a cable engaging member arranged to move with respect to the body member. In some embodiments, the cable guard comprises a roller arranged to contact the cable.
In some embodiments, the riser comprises a cavity and a portion of the body member is oriented in the cavity. In some embodiments, the cavity comprises a central axis oriented non-parallel to the shooting axis. In some embodiments, the cavity is defined by an arcuate sidewall.
In some embodiments, the bow comprises a second cable and the cable guard applies a force to the second cable.
In some embodiments, the cable guard comprises a first roller and a second roller, the first roller comprising a different diameter from the second roller.
These and other embodiments which characterize the invention are pointed out with particularity in the claims annexed hereto and forming a part hereof. However, for a better understanding of the invention, its advantages and objectives obtained by its use, reference can be made to the drawings which form a further part hereof and the accompanying descriptive matter, in which there are illustrated and described various embodiments of the invention.
A detailed description of the invention is hereafter described with specific reference being made to the drawings.
While this invention may be embodied in many different forms, there are described in detail herein specific embodiments of the invention. This description is an exemplification of the principles of the invention and is not intended to limit the invention to the particular embodiments illustrated.
For the purposes of this disclosure, like reference numerals in the figures shall refer to like features unless otherwise indicated.
In some embodiments, an archery bow 10 comprises a riser 12, a first limb 16 arranged to support a first rotatable member 20 and a second limb 18 arranged to support a second rotatable member 22. In some embodiments, a bowstring 26 extends between the first rotatable member 20 and the second rotatable member 22. In some embodiments, an archery bow 10 comprises a compound bow comprising a first cable 30. In some embodiments, the first cable 30 is attached to the second rotatable member 22 and arranged to be taken up by a cam track 25 as the bow 10 is drawn. In some embodiments, the second rotatable member 22 comprises the cam track 25. In some embodiments, the first cable 30 comprises a power cable. In some embodiments, the first cable 30 is also attached to the first rotatable member 20. In some embodiments, the first cable 30 is attached to the first rotatable member 20 by a force vectoring anchor 28, for example as disclosed in U.S. Pat. No. 8,020,544, or by an unspooling anchor (not shown), for example as disclosed in U.S. Pat. No. 6,990,970.
In some embodiments, the archery bow 10 comprises a second cable 32. In some embodiments, the second cable 32 is attached to the first rotatable member 20 and arranged to be taken up by a second cam track 27 as the bow 10 is drawn. In some embodiments, the first rotatable member 20 comprises the second cam track 27. In some embodiments, the second cable 32 comprises a second power cable. In some embodiments, the second cable 32 is attached to the second rotatable member 22. In some embodiments, the second rotatable member 22 is shaped according to a mirror image of the first rotatable member 20. In some embodiments, the configuration of the second cable 32 comprises a mirror of the first cable 30.
In some embodiments, the archery bow 10 comprises a single cam or cam-and-a-half bow (not shown) and the second cable 32 comprises a secondary bowstring segment or a control cable.
In some embodiments, the riser 12 comprises a grip 14. In some embodiments, a longitudinal axis of the grip 14 is parallel to a longitudinal axis of the riser 12.
Desirably, the archery bow 10 defines a shooting axis 40. In some embodiments, an arrow 11 is generally launched along the shooting axis 40 when fired from the bow 10. In some embodiments, the bowstring 26 comprises a nocking point 36. In some embodiments, the nocking point 36 engages the arrow 11. In some embodiments, the nocking point 36 traverses along the shooting axis 40 as the bowstring 26 is drawn and/or released.
In some embodiments, the archery bow 10 comprises an arrow rest 44. In some embodiments, an arrow rest 44 is attached to the riser 12. In some embodiments, an arrow rest 44 supports an arrow 11 and aligns the arrow 11 upon the shooting axis 40. In some embodiments, the riser 12 comprises a dovetail and an arrow rest 44 is configured to attach to the dovetail. In some embodiments, the riser 12 comprises a Berger button hole 46, which can be used for attaching an arrow rest 44.
In some embodiments, the archery bow 10 comprises a string stop 38. In some embodiments, a string stop 38 is attached to the riser 12. In some embodiments, a string stop 38 is positioned to contact the bowstring 26 when an arrow 11 is fired.
In some embodiments, the archery bow 10 comprises a cable guard 50. In some embodiments, a cable guard 50 is attached to the riser 12. In some embodiments, the cable guard 50 is arranged to apply a force to the first cable 30 and to apply a force to the second cable 32. In some embodiments, the cable guard 50 is arranged to bias the first cable 30 and the second cable 32 in a lateral direction. In some embodiments, the cable guard 50 is arranged to displace the first cable 30 and the second cable 32 laterally away from the shooting axis 40. In some embodiments, a cable guard 50 is arranged to displace the first cable 30 and the second cable 32 away from the riser 12, for example as disclosed in U.S. Pat. No. 8,402,960.
In some embodiments, the cable guard 50 contacts the first cable 30 at a location that is aligned with the shooting axis 40. In some embodiments, the cable guard 50 contacts the second cable 32 at a location that is aligned with the shooting axis 40.
In some embodiments, the archery bow 10 defines a lateral plane 62. In some embodiments, the lateral plane 62 is a reference plane that extends in the width direction of the archery bow 10. In some embodiments, the lateral plane 62 is oriented horizontally when the archery bow 10 is properly oriented for shooting. In some embodiments, the lateral plane 62 is oriented orthogonal to the longitudinal plane 66. In some embodiments, the shooting axis 40 is oriented in the lateral plane 62. In some embodiments, the shooting axis 40 comprises an intersection of the longitudinal plane 66 and the lateral plane 62.
In some embodiments, the cable guard 50 is arranged to contact the first cable 30 at a first contact location 37. In some embodiments, the first contact location 37 is oriented in the lateral plane 62. In some embodiments, the cable guard 50 is arranged to contact the second cable 32 at a second contact location 39. In some embodiments, the second contact location 39 is oriented in the lateral plane 62.
In some embodiments, the first rotatable member 20 is arranged to rotate about a first rotatable member axis 21. In some embodiments, the first rotatable member axis 21 is oriented parallel to the lateral plane 62. In some embodiments, the second rotatable member 22 is arranged to rotate about a second rotatable member axis 23. In some embodiments, the second rotatable member axis 23 is oriented parallel to the lateral plane 62. In some embodiments, the lateral plane 62 is located midway between the first rotatable member axis 21 and the second rotatable member axis 23. In some embodiments, a distance from the first rotatable member axis 21 to the lateral plane 62 is equal to a distance from the lateral plane 62 to the second rotatable member axis 23.
In some embodiments, the riser 12 comprises a first portion 72 and a second portion 74. In some embodiments, the second portion 74 is offset from the first portion 72. In some embodiments, the riser 12 comprises a third portion 76. In some embodiments, the third portion 76 is aligned with the first portion 72 and offset from the second portion 74. In some embodiments, the first portion 72 comprises a grip 14. In some embodiments, the first portion 72 is aligned with the longitudinal plane 66. In some embodiments, the third portion 76 is aligned with the longitudinal plane 66. In some embodiments, the second portion 74 is offset from the longitudinal plane 66. In some embodiments, the riser 12 defines a sight window 78. In some embodiments, the sight window 78 comprises a cavity. In some embodiments, the sight window 78 is aligned with the longitudinal plane 66. In some embodiments, the sight window 78 extends adjacent to the second portion 74. In some embodiments, a cable guard 50 is attached to the second portion 74 of the riser 12.
In some embodiments, the cable guard 50 contacts the first cable 30 at a first contact location 37. In some embodiments, the first contact location 37 is oriented upon the lateral plane 62. In some embodiments, the cable guard 50 applies a force to the first cable 30, and a vector of the force is oriented in the lateral plane 62. In some embodiments, the cable guard 50 contacts the second cable 32 at a second contact location 39. In some embodiments, the second contact location 39 is oriented upon the lateral plane 62. In some embodiments, the cable guard 50 applies a force to the second cable 32, and a vector of the force is oriented in the lateral plane 62.
In some embodiments, the cable guard 50 comprises a first roller 56 arranged to contact the first cable 30. In some embodiments, the first roller 56 is arranged to rotate about a first roller axis 57. In some embodiments, the first roller axis 57 is oriented in the lateral plane 62. In some embodiments, the cable guard 50 comprises a second roller 58 arranged to contact the second cable 32. In some embodiments, the second roller 58 is arranged to rotate about a second roller axis 59. In some embodiments, the second roller axis 59 is oriented in the lateral plane 62. In some embodiments, the first roller axis 57 is parallel to the second roller axis 59. In some embodiments, the first roller axis 57 is collinear with the second roller axis 59.
In some embodiments, the cable guard 50 comprises a housing 53 arranged to surround the roller(s) 56, 58. In some embodiments, the housing 53 is arranged to capture the first cable 30 retain the first cable 30 in a groove defined in the first roller 56. In some embodiments, the housing 53 is arranged to capture the second cable 32 and retain the second cable 32 in a groove defined in the second roller 58.
In some embodiments, the cable guard 50 is attached to the riser 12 at a location that is offset from the lateral plane 62. In some embodiments, the cable guard 50 is attached to the riser 12 at a location that is offset from the longitudinal plane 66. In some embodiments, the body 52 comprises a shaft. In some embodiments, the body 52 comprises a longitudinal axis 51. In some embodiments, the longitudinal axis 51 is offset from the longitudinal plane 66. In some embodiments, the longitudinal axis 51 extends parallel to the longitudinal plane 66. In some embodiments, the longitudinal axis 51 is oriented nonparallel to the shooting axis 40. In some embodiments, the longitudinal axis 51 is centered upon the width of the second portion 74 of the riser 12.
A body member 52 of a cable guard 50 can be located at any suitable angle to the lateral plane 62. In various embodiments, an angle between the longitudinal axis 51 of the body member 52 and the lateral plane 62 can range from zero degrees to ninety degrees. In some embodiments, the angle ranges from 10 degrees to 80 degrees. In some embodiments, the angle ranges from 40 to 50 degrees.
In some embodiments, a body member 52 of a cable guard 50 can be located at any suitable angle to the longitudinal plane 66.
In some embodiments, the riser 12 comprises a Berger button hole 46. In some embodiments, the Berger button hole 46 is oriented on the lateral plane 62.
In some embodiments, a cable guard 50 comprises a body member 52 comprising curvature along its length. In some embodiments, a body member 52 comprises one or more curved portions 64, wherein a longitudinal axis of the body member 52 comprises curvature. In some embodiments, a body member 52 comprises one or more straight portions 68 wherein a longitudinal axis of the body member 52 is straight.
In some embodiments, a cable guard 50 comprises a body member 52 comprising a straight portion 68 oriented parallel to the shooting axis 40. In some embodiments, a straight portion 68 is oriented in the lateral plane 62. In some embodiments, a straight portion 68a is offset from the lateral plane 62 and extends parallel to the lateral plane 62. In some embodiments, a straight portion 68b is oriented orthogonal to the lateral plane 62. In some embodiments, a first straight portion 68a is offset from and parallel to the lateral plane 62 and a second straight portion 68b is orthogonal to the lateral plane 62. In some embodiments, the first straight portion 68a and the second straight portion 68b are attached by a curved portion 64. In some embodiments, a third straight portion 68c is oriented in the lateral plane 62. In some embodiments, the first straight portion 68a extends parallel to the third straight portion 68c. In some embodiments, the second straight portion 68b and the third straight portion 68c are attached by a curved portion 64. In some embodiments, the first straight portion 68a is attached to the riser 12. In some embodiments, the third straight portion 68c is attached to a housing 53.
In some embodiments, a cable guard 50 comprises a housing 53 and a cable retainer 55, for example as described in U.S. Pat. No. 9,829,269. In some embodiments, the cable retainer 55 is oriented in the lateral plane 62. In some embodiments, the cable retainer 55 comprises a central axis, and the central axis is located in the lateral plane 62.
In various embodiments, a housing 53 can have any suitable shape. A person of ordinary skill in the art will recognize the need for components located near the shooting axis 40, such as the cable guard 50, to provide suitable clearance to allow arrows and fletching to pass without contact.
In some embodiments, the second portion 82 is moveable with respect to the riser 12. In some embodiments, the second portion 82 is oriented in the lateral plane 62. In some embodiments, the second portion 82 is arranged to move along an axis oriented in the lateral plane 62.
In some embodiments, the first portion 80 comprises a shaft 84. In some embodiments, the shaft 84 is oriented in the lateral plane 62. In some embodiments, a central axis of the shaft 84 is oriented in the lateral plane 62. In some embodiments, a central axis of the shaft 84 extends parallel to the shooting axis 40. In some embodiments, the second portion 82 is arranged to move along a length of the shaft 84. In some embodiments, the first portion 80 comprises a bracket 86. In some embodiments, the bracket 86 is attached to the riser 12 and the shaft 84 is attached to the bracket 86.
In some embodiments, a cable guard 50 comprises a cable retainer 55 arranged to prevent disengagement of the cables 30, 32 from the respective rollers 56, 58. In some embodiments, a distance between a roller 56, 58 and the cable retainer 55 is less than a diameter of a cable 30, 32. In some embodiments, the cable retainer 55 comprises a first portion 65 adjacent to the first roller 56 and a second portion 67 adjacent to the second roller 58. In some embodiments, the first portion 65 is offset from the second portion 67.
With reference to
In some embodiments, an archery bow 10 comprises a handheld bow or a vertically oriented bow. In some embodiments, the archery bow 10 is not a crossbow and does not include a stock, string latch or trigger.
The above disclosure is intended to be illustrative and not exhaustive. This description will suggest many variations and alternatives to one of ordinary skill in this field of art. All these alternatives and variations are intended to be included within the scope of the claims where the term “comprising” means “including, but not limited to.” Those familiar with the art may recognize other equivalents to the specific embodiments described herein which equivalents are also intended to be encompassed by the claims.
Further, the particular features presented in the dependent claims can be combined with each other in other manners within the scope of the invention such that the invention should be recognized as also specifically directed to other embodiments having any other possible combination of the features of the dependent claims. For instance, for purposes of claim publication, any dependent claim which follows should be taken as alternatively written in a multiple dependent form from all prior claims which possess all antecedents referenced in such dependent claim if such multiple dependent format is an accepted format within the jurisdiction (e.g. each claim depending directly from claim 1 should be alternatively taken as depending from all previous claims). In jurisdictions where multiple dependent claim formats are restricted, the following dependent claims should each be also taken as alternatively written in each singly dependent claim format which creates a dependency from a prior antecedent-possessing claim other than the specific claim listed in such dependent claim below.
This completes the description of the preferred and alternate embodiments of the invention. Those skilled in the art may recognize other equivalents to the specific embodiment described herein which equivalents are intended to be encompassed by the claims attached hereto.
This application claims the benefit of U.S. Patent Application No. 63/019,216, filed May 1, 2020, the entire content of which is hereby incorporated herein by reference.
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