US5772541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration dampened hand-held implements
Assignee: Easton Diamond Sports LLC
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Filing: 1997-05-01
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Granted: 1998-06-30
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Expires: 2017-05-01
Abstract
Abstract A vibration dampened hand held implement such as a ball bat, archery bow or hammer is provided with a vibration dampening system comprising a chamber having a low modulus viscoelastic elastomeric vibration dampening member freely moveable therein to bounce back and forth between and move out of phase with the chamber walls to rapidly dampen unwanted lower frequency vibrations of the implement.
Inventors
- 👤 John Buiatti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:34
CPC Classifications
F; F41; F41B; F41B5/00; F41B5/14; F41B5/1403; F41B5/1426; A; A63; A63B; A63B53/00; A63B53/14; A63B60/00; A63B60/54; B; B25; B25G; B25G1/00; B25G1/01; A63B2102/00; A63B2102/18; A63B49/00; A63B59/00; A63B59/50
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
96 words
An implement having a handle which, during use is subject to vibration in at least one direction transverse to a longitudinal axis of said handle, and a vibration dampening system mounted on said implement, characterized in that said vibration dampening system comprises a chamber on said implement proximate a location of maximum transverse displacement of a point on said implement during vibration and an elastomeric member disposed in said chamber, said elastomeric member being freely moveable in said chamber by contact with walls of said chamber in at least one direction transverse to said longitudinal axis.
Claim 2
Dependent Claim
96 words
An implement having a handle which, during use is subject to vibration in at least one direction transverse to a longitudinal axis of said handle, and a vibration dampening system mounted on said implement, characterized in that said vibration dampening system comprises a chamber on said implement proximate a location of maximum transverse displacement of a point on said implement during vibration and an elastomeric member disposed in said chamber, said elastomeric member being freely moveable in said chamber by contact with walls of said chamber in at least one direction transverse to said longitudinal axis.
Claim 3
Dependent Claim
24 words
The implement of claim 1, wherein said elastomeric member has a Shore durometer hardness in the range of from 5 A through 60 D.
Claim 4
Dependent Claim
49 words
The implement of claim 2, comprising a ball bat having a barrel, a handle and a handle end, and a knob at the end of said handle, said chamber being proximate said knob and said elastomeric member being free to move in all directions transverse to said longitudinal axis.
Claim 5
Dependent Claim
34 words
The ball bat of claim 3, wherein said knob surrounds the end of said handle, said chamber is in said knob and said chamber and said elastomeric member are each of generally torroidal configuration.
Claim 6
Dependent Claim
48 words
The ball bat of claim 3, wherein said knob is affixed to the end of said handle and said chamber is inside said knob whereby said chamber is axially spaced from the end of said handle and said chamber and said elastomeric member are of generally cylindrical configuration.
Claim 7
Dependent Claim
44 words
The ball bat of claim 3, wherein said knob surrounds the end of said handle and said chamber surrounds the end of said handle proximate said knob, said chamber being of generally cylindrical configuration and said elastomeric member being of generally hollow cylindrical configuration.
Claim 8
Dependent Claim
36 words
The ball bat of claim 3, wherein said chamber is affixed to an exterior end surface of said knob, said chamber being of generally cylindrical configuration and said elastomeric member being of generally solid cylindrical configuration.
Claim 9
Dependent Claim
30 words
The ball bat of claim 3, wherein said bat is hollow, said knob is mounted on the handle end of said bat and said chamber is inside said handle end.
Claim 10
Dependent Claim
16 words
The ball bat of claim 8, wherein a portion of said chamber extends inside said knob.
Claim 11
Dependent Claim
18 words
The ball bat of claim 3, wherein said elastomeric member is free to move axially in said chamber.
Claim 12
Dependent Claim
16 words
The ball bat of claim 3, wherein said bat is made of aluminum or aluminum alloy.
Claim 13
Dependent Claim
26 words
The implement of claim 2, comprising an archery bow having a pair of bow limbs and a said vibration dampening system mounted on each bow limb.
Claim 14
Dependent Claim
9 words
The implement of claim 2, comprising a golf club.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-06-29 | 2001-12-29 | 2002-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-06-29 | 2005-12-29 | 2006-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-06-29 | 2009-12-29 | 2010-06-30 | $7700.00 | Window Closed / Lapsed |