A bowstring vibration and noise suppressor, the vibration and noise suppressor being carried by a support having an attachment device at an end of the support for attachment to a limb of an archery bow. The support carries the vibration and noise suppressor which is configured and arranged to suppress vibration and noise created by the bowstring when launching an arrow.
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0. 22. An archery bow comprising:
a handle;
a first limb attached to the handle, the first limb supporting an axle;
a second limb attached to the handle;
a bowstring attached to the archery bow;
a vibration and noise suppressor comprising a support and a suppressor, the support comprising an attachment device attached to said first limb, the attachment device spanning across said axle.
16. A bowstring vibration and noise suppressor, comprising:
a vibration and noise suppressor support having an attachment device at an end of the support for attachment to a limb of an archery bow, the support carrying a vibration and noise suppressor which is configured and arranged to suppress vibration and noise created by the bowstring when launching an arrow, wherein the vibration and noise suppressor is made of an a semi-solid gel material.
13. A bowstring vibration and noise suppressor, comprising:
a vibration and noise suppressor support having an attachment device at an end of the support for attachment to a limb of an archery bow, the support carrying a vibration and noise suppressor which is configured and arranged to suppress vibration and noise crested created by the bowstring when launching an arrow, wherein the attachment device comprises a U-shaped bracket configured to attach to the tip of the limb of the archery bow.
0. 19. A bowstring vibration and noise suppressor, comprising:
a vibration and noise suppressor support having an attachment device at an end of the support for attachment to an end of a limb of an archery bow comprising a bowstring, the support comprising at least one cut-out to reduce weight, the support carrying a vibration and noise suppressor which is arranged to suppress vibration and noise created by the bowstring when launching an arrow, wherein the vibration and noise suppressor contacts the bowstring as the bowstring vibrates when launching an arrow.
1. A bowstring vibration and noise suppressor, comprising:
a vibration and noise suppressor support having an attachment device at an end of the support for attachment to an end of a limb of an archery bow comprising a bowstring, the support comprising at least one cut-out to reduce weight, the support carrying a vibration and noise suppressor which is configured and arranged to suppress vibration and noise created by the bowstring when launching an arrow, wherein the vibration and noise suppressor contacts the bowstring when the bowstring is in a rest position.
17. An archery bow comprising:
a handle;
first and second bow limbs attached to the handle at inner ends;
a bowstring attached to the archery bow;
a first vibration and noise suppressor support having an attachment device at an end of the support for attachment to an outer end of the first limb of the archery bow, the first support carrying a first vibration and noise suppressor which is configured and arranged to suppress vibration and noise created by the bowstring when launching an arrow, wherein the first support extends past the outer end of the first limb toward the bowstring and the first vibration and noise suppressor contacts the bowstring when the bowstring is in a rest position.
0. 23. An archery bow having a first side and a second side, the archery bow comprising:
a handle;
first and second bow limbs attached to the handle at inner ends;
a bowstring attached to the archery bow;
a first vibration and noise suppressor comprising a support and a suppressor, the support attached to an outer end of the first limb of the archery bow and extending past the outer end toward the bowstring, the first vibration and noise suppressor arranged to suppress vibration and noise created by the bowstring when launching an arrow; and
a second vibration and noise suppressor comprising a support and a suppressor, the support attached to an outer end of the second limb of the archery bow, the second vibration and noise suppressor arranged to suppress vibration and noise created by the bowstring when launching an arrow.
4. The bowstring vibration and noise suppressor of
5. The bowstring vibration and noise suppressor of
6. The bowstring vibration and noise suppressor of
7. The bowstring vibration and noise suppressor of
9. The bowstring vibration and noise suppressor of
10. The bowstring vibration and noise suppressor of
11. The bowstring vibration and noise suppressor of
12. The bowstring vibration and noise suppressor of
14. The bowstring vibration and noise suppressor of
15. The bowstring vibration and noise suppressor of
18. The archery bow of
0. 20. The bowstring vibration and noise suppressor of claim 19, wherein the suppressor comprises an elastomeric material.
0. 21. The bowstring vibration and noise suppressor of claim 19, wherein the suppressor comprises a groove that receives the bowstring.
0. 24. The archery bow of claim 23, wherein the first vibration and noise suppressor is attached to the first side of the archery bow and the second vibration and noise suppressor is attached to the second side of the archery bow.
0. 25. The bowstring vibration and noise suppressor of claim 23, wherein at least one vibration and noise suppressor comprises an elastomeric material.
0. 26. The bowstring vibration and noise suppressor of claim 23, wherein at least one vibration and noise suppressor comprises a groove that receives the bowstring.
0. 27. The bowstring vibration and noise suppressor of claim 23, wherein the first vibration and noise suppressor is attached to a side of the first limb.
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Not applicable.
Not applicable
The subject invention relates to archery bows, and particularly to a device for damping the vibration and sound generated in the process of drawing and releasing the bow string.
The bowstring on an archery bow is under a great deal of tension when the bow is in the braced condition. The bowstring carries at least a portion of the load required to bring the bow limbs to the brace position. In the case of the compound bow the bowstring carries the greatest portion of the load imposed between the bows limb tips in the brace condition with the secondary cables carrying the remainder. On recurve bows the bowstring is subjected to the entire load imposed between the bows limb tips. As such when the bowstring is displaced at or near its center and released it vibrates like a string on a musical instrument sending vibrations into the strings attachment points as well as creating noise by displacing the air around it.
A number of innovations have been directed at reducing the noise associated with these residual string vibrations associated with shooting a bow. In some cases attachments have been placed on the bowstring at various locations in an attempt to lessen or dampen these vibrations and the associated noise level. Some of these items with such names as Bear Puffs, Spider legs and String Leaches are well known to those in the sport as accessories that can be attached to the bowstring to reduce string noise.
Another means to reduce bow string vibration is disclosed in U.S. Pat. No. 4,061,125 titled “BOWSTRING POSITIONING DEVICE”. The '125 patent shows an arm which extends rearwardly from the bow handle having a resilient member mounted on the extended end which engages the bowstring in the bows braced position. Along these same lines U.S. Pat. No. 4,461,267 titled “COMPOUND BOW” shows the use of two similar devices extending reward from the bow handle and intercepting the bowstring. While these devices were rather efficient at damping the bow strings vibrations that would otherwise been transmitted into the bow handle, the resiliency of the bumpers themselves did little to reduce the string noise and in most cases amplified rather than reduced the string noise. U.S. Pat. No. 5,720,269 titled “BOWSTRING SOUND DAMPENER” operates similar to the previously mentioned patents but provides a better means of arresting the bowstring so as to reduce string noise. All three patents '125, '267 and '269 are forms of string bumpers that engage the bowstring near the bowstrings center point in an area where the bowstring is traveling the fastest during arrow launch and all three string bumpers stop the forward progress of the bowstring at the brace position making separation of the arrow from the bowstring abrupt and premature. While the string bumpers of the '125 and '269 patents tend to reduce the shock and vibrations felt at the bow hand when shooting they did very little to reduce string noise and in most cases aggravated that problem. The initial impact point of the bowstring on these bow handle mounted bumpers tends to be laterally inconsistent and results in effecting shooting accuracy adversely.
Applicants have solved the problem identified above with a bowstring vibration and noise suppressor. The vibration and noise suppressor is carried by a support having an attachment device at an end of the support for attachment to a limb of an archery bow. The support carries the vibration and noise suppressor which is configured and arranged to suppress vibration and noise created by the bowstring when launching an arrow.
The attachment device can be a U-shaped bracket designed to attach to the tip of a limb. The attachment device could also be a bracket shaped to attach to one side of the limb tip, either by gluing or with set screws. The vibration and noise suppressor can be an elastomer, such as a rubber or urethane and may also be solid or semi-solid, such as a gel material.
The support may be made of aluminum, plastic or a composite material, such as fiberglass, carbon composite or carbon laminate, or any other desired material.
A detailed description of the invention is hereafter described with specific reference being made to the drawings in which:
While this invention may be embodied in many different forms, there are shown in the drawings and described in detail herein specific preferred embodiments of the invention. The present disclosure is an exemplification of the principles of the invention and is not intended to limit the invention to the particular embodiments illustrated.
Referring now to
As best seen in
The support section 26 and U-shaped bracket 27 are made of rigid aluminum in the embodiment shown in
The noise and vibration suppressing material 28 may be any elastomer, such as rubber or urethane, and may be either solid or semi-solid, such as a gel material. Applicant is currently using a formulation sold by RTP Company, 580 East Front Street Winona, Minn., 55987, U.S.A. called #2799 SX 96204, which is a styrenic thermoplastic elastomer having a 30 durometer (30 Shore A).
As best seen in
As seen in
The above examples and disclosure are intended to be illustrative and not exhaustive. These examples and description will suggest many variations and alternatives to one of ordinary skill in this art. All these alternatives and variations are intended to be included within the scope of the attached claims. 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 attached hereto.
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