CA2381899C - Archery bow vibration damper - Google Patents
Archery bow vibration damper Download PDFInfo
- Publication number
- CA2381899C CA2381899C CA002381899A CA2381899A CA2381899C CA 2381899 C CA2381899 C CA 2381899C CA 002381899 A CA002381899 A CA 002381899A CA 2381899 A CA2381899 A CA 2381899A CA 2381899 C CA2381899 C CA 2381899C
- Authority
- CA
- Canada
- Prior art keywords
- shaft
- tube
- bow
- vibration damper
- riser
- 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.)
- Expired - Fee Related
Links
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
Abstract
An archery bow vibration damper that is mounted in an open chamber passing through a bow riser from front to back. A tube of soft but supportive material, such as rubber is pushed into the chamber. A tightly fitting shaft;
preferably of metal with internal threads at each end, is pushed into the tube. The shaft provides damped mass and shock mounting for stabilizers and other accessories on the front and/or back of the bow riser. Installation of the dampen requires pushing the soft tube through the chamber from the front of the riser; then-pushing the shaft through the tube from the front or back. The shaft preferably has a cross section outline that varies in size or shape along the length of the shaft to resist slippage of the shaft in the tube.
preferably of metal with internal threads at each end, is pushed into the tube. The shaft provides damped mass and shock mounting for stabilizers and other accessories on the front and/or back of the bow riser. Installation of the dampen requires pushing the soft tube through the chamber from the front of the riser; then-pushing the shaft through the tube from the front or back. The shaft preferably has a cross section outline that varies in size or shape along the length of the shaft to resist slippage of the shaft in the tube.
Description
TITLE: ARCHERY BOW VIBRATION DAMPER
Field of the Invention This invention relates to archery bow vibration dampers, bow stabilizers, and bow accessory mounts.
~o ' Description of Prior Art The accuracy of a hunting or 'target bow depends largely on elimination of extraneous motions of the bow. Even minute motions or vibrations have an amplified affect on the arrow trajectory. For this reason, archery bows have been ~ 5 provided with a variety of vibration damping devices. For example, a soft compound such as rubber may be attached to the bow riser: to absorb vibration:.
Various materials, configurations, and placements of soft attachments are shown in the prior art. Another device seen in the prior art is a capsule of gel or liquid, including mercury, in the bow riser for the same purpose. However; these 20 mechanisms are not fully effective.
Precision hunting bows are often provided with a stabilizer, which is a mass extending forward from the bow riser on a rod. This balances the bow longitudinally about the grip so the bow does not rotate to an overshoot position 25 by gravity upon release of the arrow. It also adds inertia that reduces bow vibrations.
It is desirable to shock-mount the stabilizer on the bow riser, for effective vibration damping. US patent 4,135,4.86 of Enomoto shows stabilizers mounted to a bow by dampers that screw into the front of the bow riser. The present invehtion is an improved shock mount for bow stabilizers that is more effective' and more flexible in its usage configurations.
SUMMARY OF THE INVENTION
The main objective of the present invention is provision of an archery bow vibration damper that is highly effective and is flexible in configuration. A
further objective is a bow vibration damper that works with or without a bow stabilizer, end to can act as a shock mount for standard bow accessories, including stabilisers, on the front and/or back sides of the bow riser. A further objective is quick;
tool=less assembly and installation of the damper in the riser, and quick tool-less attachment-of accessories on the damper.
~5 These objectives are achieved in an archery bow vibration damper that is mounted in an open chamber passing through a bow riser from front to back: A
tube of soft but supportive material, such as rubber is pushed into the chamber: A
tightly fitting shaft, preferably of metal with internal threads at each end, is pushed into the tube. The shaft provides damped mass and shock mounting for stabilizers 20 and other accessories on the front andlor back of the bow riser.
Installation of the damper requires pushing the soft tube through the chamber from the front of the riser, then pushing the shaft through the tube from the front or back. The shaft preferably has a cross section outline that varies in size or shape along the length of the shaft to resist slippage of the shaft in the ube.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG 1 Left side view -of bow handle with dampen and forward-extending stabilizer;
FIG 2 Enlarged left side sectional view of damper assembled in bow handle;
FIG 3 Left side view of tube;
FIG 4 Front view of tube;
FIG 5 Left side view of shaft;
FIG 6 Front view of shaft;
FIG 7 Front view of bow handle or riser;
FIG 8 Enlarged front sectional view of damper assembled in bow handle;
FIG 9 Enlarged left side sectional view of damper assembled in bow ~5 handle with an attached stabilizer;
FIG 10 Side view of an alternate shaft form with an enlarged central portion;
FIG 11 End view of FIG 10.
REFERENCE
NUMERALS
1. Bow handle or riser 2. Bow grip 3. Chamber in bow handle for damper 5. Bow stabilizer or balancer 25 6. Stabilizer attachment screw 7. Soft support tube 8. Enlarged front of damper 9. Annular lip on back of damper 10. Central hole through tube for shaft 11. Shaft 12. Cylindrical portion of shaft 13. Square cross-section portion of shaft 14. Shaft end bolt 15. Shaft internal threads 16. Optional enlarged central portion of shaft TERMINOLOGY
~o Front, Back -- Orientation terms are with respect to the direction of arv-arrow mounted in the bow for shooting.
Soft support material - a material that is elastic but supportive, such as rubber;
foam rubber; cork, elastomeric plastic, and the like.
DETAILED DESCRIPTION
The present invention is a damper for an archery bow. It comprises a tube 7 made of a soft support material such as rubber, foam rubber, expanded plastic, zo cork, elastomeric plastic, or the like, mounted in a chamber 3 in the bow handle or riser 1. A preferred form of the tube 7 is shown in the drawings as a cylindrical tube of damping material with an enlarged front portion 8. The enlarged front portion may be convoluted as shown or not convoluted. Otherforms are possible.
z5 A shaft 11 passes through the tube. Both ends of this shaft preferably have internal threads to receive accessories, including a stabilizer on the fronfi andlor back of the riser as shown in FIG' 9. Optionally a bolt 14 can be screwed into the back end of the shaft to block forward slippage of the shaft in the damper.
However, this is unnecessary if the shaft fits tightly in the tube as later described.
The tube 7 is preferably a close fit in the chamber 3: It preferably has an annular lip 9 on the back end that is slightly larger in diameter than the chamber.
The tube 7 without the shaft 11 is pushed into the chamber 3 from the front.
If a lip 5 - 9 is provided; it is radially compressed enough to pass through the chamber. The shaft 11 is then pushed through the tube from either the front or back. The shaft should have an interference fit in the tube. This compresses the tube radially against the interior of the chamber and against the exterior of the shaft, thus holding the tube and shaft in the chamber by friction. it has been found- that additional fastening in the assembly is not needed, making assembly quick.
The shaft 11 preferably has a central portion 13 with a non-circular cross section, such as square as shown in Figs 5 and 6. This prevents the shaft from rotating or slipping longitudinally in the tube. It allows accessories and stabilizers t5 to be screwed into the internal threads of the shaft without tools. Ofher differences in cross section can be used. For example, part of the shaft can have a rectangular cross section, and another part of the shaft can have the same cross section rotated 90 degrees (not shown). Another option is a shaft with an enlarged central portion or bulb as shown in Figs 10-11: The shaft and bulb can have 20 circular or non-circular cross sections. The bulb increases pressure and friction on the shaft and tube, and retains the shaft against longitudinal slippage: For assembly, the shaft can be lubricated and pushed into the tube, either manually or with a press. f3ptionally the lubricant can be glue for permanent attachment of the shaft to the tube. The shaft is preferably of metal for maximum damping mass:
25 However, another shaft material rnay be used to minimize bow weight.
in operation, the shaft alone and/or an attached stabilizer provides a damped mass that reduces bow vibrations more effectively than a simple container or patch of damping material. This increases shot acxuracy and reduces user fatigue. .
This archery bow vibration damper is effective, convenient, and flexible in use:
It provides a centered damped mass, and optionally provides shock mounting for accessories on the front andlor back of the bow riser. No tools are required for s attachment of accessories or stabilizers. Optionally; a damper according to the present invention can be provided both below and above the grip on the bow riser.
Although the -present invention has been described herein with respect to preferred embodiments, it will be understood that the foregoing description is ~o intended to be illustrative, not restrictive. Modifications of the present invention> will occur to those skilled in the art, so the claims should determine its scope:
Field of the Invention This invention relates to archery bow vibration dampers, bow stabilizers, and bow accessory mounts.
~o ' Description of Prior Art The accuracy of a hunting or 'target bow depends largely on elimination of extraneous motions of the bow. Even minute motions or vibrations have an amplified affect on the arrow trajectory. For this reason, archery bows have been ~ 5 provided with a variety of vibration damping devices. For example, a soft compound such as rubber may be attached to the bow riser: to absorb vibration:.
Various materials, configurations, and placements of soft attachments are shown in the prior art. Another device seen in the prior art is a capsule of gel or liquid, including mercury, in the bow riser for the same purpose. However; these 20 mechanisms are not fully effective.
Precision hunting bows are often provided with a stabilizer, which is a mass extending forward from the bow riser on a rod. This balances the bow longitudinally about the grip so the bow does not rotate to an overshoot position 25 by gravity upon release of the arrow. It also adds inertia that reduces bow vibrations.
It is desirable to shock-mount the stabilizer on the bow riser, for effective vibration damping. US patent 4,135,4.86 of Enomoto shows stabilizers mounted to a bow by dampers that screw into the front of the bow riser. The present invehtion is an improved shock mount for bow stabilizers that is more effective' and more flexible in its usage configurations.
SUMMARY OF THE INVENTION
The main objective of the present invention is provision of an archery bow vibration damper that is highly effective and is flexible in configuration. A
further objective is a bow vibration damper that works with or without a bow stabilizer, end to can act as a shock mount for standard bow accessories, including stabilisers, on the front and/or back sides of the bow riser. A further objective is quick;
tool=less assembly and installation of the damper in the riser, and quick tool-less attachment-of accessories on the damper.
~5 These objectives are achieved in an archery bow vibration damper that is mounted in an open chamber passing through a bow riser from front to back: A
tube of soft but supportive material, such as rubber is pushed into the chamber: A
tightly fitting shaft, preferably of metal with internal threads at each end, is pushed into the tube. The shaft provides damped mass and shock mounting for stabilizers 20 and other accessories on the front andlor back of the bow riser.
Installation of the damper requires pushing the soft tube through the chamber from the front of the riser, then pushing the shaft through the tube from the front or back. The shaft preferably has a cross section outline that varies in size or shape along the length of the shaft to resist slippage of the shaft in the ube.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG 1 Left side view -of bow handle with dampen and forward-extending stabilizer;
FIG 2 Enlarged left side sectional view of damper assembled in bow handle;
FIG 3 Left side view of tube;
FIG 4 Front view of tube;
FIG 5 Left side view of shaft;
FIG 6 Front view of shaft;
FIG 7 Front view of bow handle or riser;
FIG 8 Enlarged front sectional view of damper assembled in bow handle;
FIG 9 Enlarged left side sectional view of damper assembled in bow ~5 handle with an attached stabilizer;
FIG 10 Side view of an alternate shaft form with an enlarged central portion;
FIG 11 End view of FIG 10.
REFERENCE
NUMERALS
1. Bow handle or riser 2. Bow grip 3. Chamber in bow handle for damper 5. Bow stabilizer or balancer 25 6. Stabilizer attachment screw 7. Soft support tube 8. Enlarged front of damper 9. Annular lip on back of damper 10. Central hole through tube for shaft 11. Shaft 12. Cylindrical portion of shaft 13. Square cross-section portion of shaft 14. Shaft end bolt 15. Shaft internal threads 16. Optional enlarged central portion of shaft TERMINOLOGY
~o Front, Back -- Orientation terms are with respect to the direction of arv-arrow mounted in the bow for shooting.
Soft support material - a material that is elastic but supportive, such as rubber;
foam rubber; cork, elastomeric plastic, and the like.
DETAILED DESCRIPTION
The present invention is a damper for an archery bow. It comprises a tube 7 made of a soft support material such as rubber, foam rubber, expanded plastic, zo cork, elastomeric plastic, or the like, mounted in a chamber 3 in the bow handle or riser 1. A preferred form of the tube 7 is shown in the drawings as a cylindrical tube of damping material with an enlarged front portion 8. The enlarged front portion may be convoluted as shown or not convoluted. Otherforms are possible.
z5 A shaft 11 passes through the tube. Both ends of this shaft preferably have internal threads to receive accessories, including a stabilizer on the fronfi andlor back of the riser as shown in FIG' 9. Optionally a bolt 14 can be screwed into the back end of the shaft to block forward slippage of the shaft in the damper.
However, this is unnecessary if the shaft fits tightly in the tube as later described.
The tube 7 is preferably a close fit in the chamber 3: It preferably has an annular lip 9 on the back end that is slightly larger in diameter than the chamber.
The tube 7 without the shaft 11 is pushed into the chamber 3 from the front.
If a lip 5 - 9 is provided; it is radially compressed enough to pass through the chamber. The shaft 11 is then pushed through the tube from either the front or back. The shaft should have an interference fit in the tube. This compresses the tube radially against the interior of the chamber and against the exterior of the shaft, thus holding the tube and shaft in the chamber by friction. it has been found- that additional fastening in the assembly is not needed, making assembly quick.
The shaft 11 preferably has a central portion 13 with a non-circular cross section, such as square as shown in Figs 5 and 6. This prevents the shaft from rotating or slipping longitudinally in the tube. It allows accessories and stabilizers t5 to be screwed into the internal threads of the shaft without tools. Ofher differences in cross section can be used. For example, part of the shaft can have a rectangular cross section, and another part of the shaft can have the same cross section rotated 90 degrees (not shown). Another option is a shaft with an enlarged central portion or bulb as shown in Figs 10-11: The shaft and bulb can have 20 circular or non-circular cross sections. The bulb increases pressure and friction on the shaft and tube, and retains the shaft against longitudinal slippage: For assembly, the shaft can be lubricated and pushed into the tube, either manually or with a press. f3ptionally the lubricant can be glue for permanent attachment of the shaft to the tube. The shaft is preferably of metal for maximum damping mass:
25 However, another shaft material rnay be used to minimize bow weight.
in operation, the shaft alone and/or an attached stabilizer provides a damped mass that reduces bow vibrations more effectively than a simple container or patch of damping material. This increases shot acxuracy and reduces user fatigue. .
This archery bow vibration damper is effective, convenient, and flexible in use:
It provides a centered damped mass, and optionally provides shock mounting for accessories on the front andlor back of the bow riser. No tools are required for s attachment of accessories or stabilizers. Optionally; a damper according to the present invention can be provided both below and above the grip on the bow riser.
Although the -present invention has been described herein with respect to preferred embodiments, it will be understood that the foregoing description is ~o intended to be illustrative, not restrictive. Modifications of the present invention> will occur to those skilled in the art, so the claims should determine its scope:
Claims (10)
1. An archery bow vibration damper, comprising:
an archery bow riser having a front side and a back side;
an open chamber passing from the front side to the back side of the bow riser, open on both the front and back sides of the bow riser, a flexible tube of soft support material mounted in the chamber, having front and back ends and a central hole passing through the tube from front to back;
a shaft having front and back ends, the shaft tightly mounted in the hole of the tube and extending from the front to back ends of the tube.
an archery bow riser having a front side and a back side;
an open chamber passing from the front side to the back side of the bow riser, open on both the front and back sides of the bow riser, a flexible tube of soft support material mounted in the chamber, having front and back ends and a central hole passing through the tube from front to back;
a shaft having front and back ends, the shaft tightly mounted in the hole of the tube and extending from the front to back ends of the tube.
2: The archery bow vibration damper of claim 1 wherein the shaft has internal threads at both the front and back ends, whereby bow accessories including stabilizers can be mounted at either or both ends of the shaft as desired, and such accessories will both damp bow vibrations and be isolated from them.
3. The archery bow vibration damper of claim 1, wherein the haft has a cross section outline that varies in shape along the length of the shaft to resist rotation and slippage of the shaft in the tube.
4. The archery bow vibration damper of claim 1, wherein the shaft has a cross section outline that varies in area along the length of the shaft to resist rotation and slippage of the shaft in the tube.
5. The archery bow vibration damper of claim 1, further including an archery bow stabilizer having a back end attached to the front end of the shaft.
6. An archery bow vibration damper, comprising:
an archery bow riser having a front side and a back side;
an open chamber passing from the front side to the back side of the bow riser, open on both the front and back sides of the bow riser;
a flexible tube of soft support material mounted in the chamber, having front and back ends and a central hole passing through the tube from front to back; and a shaft tightly mounted in the hole of the tube and extending from the front to back ends of the tube, the shaft having front and back ends, with internal threads at both ends of the shaft;
whereby bow accessories including stabilizers can be mounted at either or both ends of the shaft as desired, and such accessories will both damp bow vibrations and be isolated from them.
an archery bow riser having a front side and a back side;
an open chamber passing from the front side to the back side of the bow riser, open on both the front and back sides of the bow riser;
a flexible tube of soft support material mounted in the chamber, having front and back ends and a central hole passing through the tube from front to back; and a shaft tightly mounted in the hole of the tube and extending from the front to back ends of the tube, the shaft having front and back ends, with internal threads at both ends of the shaft;
whereby bow accessories including stabilizers can be mounted at either or both ends of the shaft as desired, and such accessories will both damp bow vibrations and be isolated from them.
7. The archery bow vibration damper of claim 6, wherein the shaft has a cross section outline that varies in shape along the length of the shaft to resist rota-tion and slippage of the shaft in the tube.
8. The archery bow vibration damper of claim 6, wherein the shaft has a cross section outline that vanes in area along the length of the shaft to resist rota-tion and slippage of the shaft in the tube
9. The archery bow vibration damper of claim 6, further including an archery bow stabilizer having a back end attached to the front end of the shaft.
10. An archery bow vibration damper, comprising:
an archery bow riser having a front side and a back side;
an open chamber passing from the front side to the back side of the bow riser;
open on both the front and back sides of the bow riser;
a flexible tube of soft support material mounted in the chamber, having front and back ends and a central hole passing through the tube from front to back; and a shaft having front and back ends, tightly mounted in the hole of the tube and extending between the front and back ends of the tube, the shaft having a cross section outline that varies along the length of the shaft to resist rotation and slippage of the shaft in the tube, the shaft having internal threads at both the front and back ends of the shaft;
whereby bow accessories including stabilizers can be mounted at either or both ends of the shaft as desired, and such accessories will both damp bow vibrations and be isolated from them.
an archery bow riser having a front side and a back side;
an open chamber passing from the front side to the back side of the bow riser;
open on both the front and back sides of the bow riser;
a flexible tube of soft support material mounted in the chamber, having front and back ends and a central hole passing through the tube from front to back; and a shaft having front and back ends, tightly mounted in the hole of the tube and extending between the front and back ends of the tube, the shaft having a cross section outline that varies along the length of the shaft to resist rotation and slippage of the shaft in the tube, the shaft having internal threads at both the front and back ends of the shaft;
whereby bow accessories including stabilizers can be mounted at either or both ends of the shaft as desired, and such accessories will both damp bow vibrations and be isolated from them.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28813901P | 2001-05-02 | 2001-05-02 | |
| US60/288,139 | 2001-05-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2381899A1 CA2381899A1 (en) | 2002-11-02 |
| CA2381899C true CA2381899C (en) | 2005-01-04 |
Family
ID=23105910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002381899A Expired - Fee Related CA2381899C (en) | 2001-05-02 | 2002-04-17 | Archery bow vibration damper |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US6588414B2 (en) |
| CA (1) | CA2381899C (en) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6817352B1 (en) * | 2002-01-24 | 2004-11-16 | Charles A. Saunders | Dynamic stabilizer |
| US7793645B2 (en) * | 2005-10-11 | 2010-09-14 | Hoyt Archery, Inc. | Vibration dampening apparatus |
| US7438070B2 (en) * | 2006-01-11 | 2008-10-21 | Mancini Ralph J | Archery bow having improved design to absorb shock and reduce vibration |
| US20100132241A1 (en) * | 2008-05-19 | 2010-06-03 | Mancini Ralph J | Method for accurizing a firearm |
| US20110056474A1 (en) * | 2008-12-10 | 2011-03-10 | Bailey Danny L | Archery bow stabilizer |
| US8939139B2 (en) * | 2009-06-17 | 2015-01-27 | Steven C. Sims | Archery bow accessories |
| US8833356B2 (en) * | 2010-11-19 | 2014-09-16 | Bahram Khoshnood | Bow stabilizing systems and methods |
| US8590522B2 (en) * | 2010-11-19 | 2013-11-26 | Bahram Khoshnood | Bow stabilizing and shock dampening systems and methods |
| US8573193B2 (en) * | 2010-11-19 | 2013-11-05 | Bahram Khoshnood | Bow stabilizing systems and methods |
| US9038618B1 (en) * | 2014-02-06 | 2015-05-26 | Scott Bomar | Mechanisms and methods for stabilizing archery bows |
| US10655927B2 (en) | 2014-04-30 | 2020-05-19 | Mcp Ip, Llc | Archery bow stabilizer |
| US10393471B2 (en) | 2017-04-24 | 2019-08-27 | Mcp Ip, Llc | Archery bow riser with stabilizing damper |
| US11029121B2 (en) | 2018-04-03 | 2021-06-08 | Mcp Ip, Llc | Archery bow limb cup with damper |
| USD872213S1 (en) | 2018-04-24 | 2020-01-07 | Mcp Ip, Llc | Archery bow riser |
| USD871534S1 (en) | 2018-04-24 | 2019-12-31 | Mcp Ip, Llc | Archery bow riser |
| US10753701B2 (en) * | 2018-06-28 | 2020-08-25 | Christopher A. Hamm | Archery bow stabilizer |
| US10648762B2 (en) * | 2018-06-28 | 2020-05-12 | Christopher A. Hamm | Archery bow stabilizer |
| US10948259B2 (en) | 2019-02-13 | 2021-03-16 | Paul F. Keller | Archery device |
| US11022399B2 (en) * | 2019-06-12 | 2021-06-01 | Kirk L. Wendelburg | Inertial dampener riser for an archery bow |
| US11181335B1 (en) * | 2020-09-14 | 2021-11-23 | Mcp Ip, Llc | Archery bow accessory bushing |
| US11353280B1 (en) * | 2021-06-16 | 2022-06-07 | Bear Archery, Inc. | Bow stabilizers |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3412725A (en) | 1965-03-29 | 1968-11-26 | Earl H. Hoyt Jr. | Archery bow with resiliently mounted stabilizers |
| US3524441A (en) | 1968-03-25 | 1970-08-18 | Victor Comptometer Corp | Detachably mounted archery bow stabilizing device |
| US3628520A (en) | 1970-02-21 | 1971-12-21 | Nippon Musical Instruments Mfg | Stabilizer for archery bow |
| US3683883A (en) | 1970-03-02 | 1972-08-15 | Nippon Musical Instruments Mfg | Stabilizer for archery bow |
| JPS6018919B2 (en) | 1976-09-20 | 1985-05-13 | 紘一 榎本 | western bow |
| US4570608A (en) | 1983-03-29 | 1986-02-18 | Masterfield Ernest W | Archery bow stabilizer and vibration dampener |
| US4615327A (en) | 1985-09-30 | 1986-10-07 | Saunders Charles A | Resiliently mounted stabilizer |
| JPH063360B2 (en) | 1988-03-18 | 1994-01-12 | ヤマハ株式会社 | Yaw Stabilizer |
| US4893606A (en) | 1988-08-19 | 1990-01-16 | Sisko Frank W | Distributed mass, inertial archery bow stabilizer and vibration damper |
| US5090396A (en) | 1990-11-27 | 1992-02-25 | Bickel Wayne J | Adjustable archery stabilizer |
| US5339793A (en) | 1993-05-13 | 1994-08-23 | Findley Alan T | Bow stabilizer |
| US5433792A (en) * | 1994-04-04 | 1995-07-18 | Container Specialties, Inc. | Compound archery bow |
| US5595168A (en) | 1994-11-10 | 1997-01-21 | Martin Archery Inc. | Damping apparatus for an archery bow, handle riser for an archery bow, and method of fabricating a handle riser for an archery bow |
| US5996570A (en) | 1998-05-08 | 1999-12-07 | Legate; Boyd B. | Archery bow stabilizer |
| US5975070A (en) | 1998-10-28 | 1999-11-02 | William Lee Sands | Bow stabilizing device |
| US6257220B1 (en) | 1999-11-17 | 2001-07-10 | Mathew Mcpherson | Bow handle damper |
| US6382201B1 (en) * | 1999-11-17 | 2002-05-07 | Mathew A. McPherson | Bow vibration damper |
-
2002
- 2002-04-09 US US10/119,457 patent/US6588414B2/en not_active Expired - Fee Related
- 2002-04-17 CA CA002381899A patent/CA2381899C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2381899A1 (en) | 2002-11-02 |
| US20020162547A1 (en) | 2002-11-07 |
| US6588414B2 (en) | 2003-07-08 |
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