Games using tangible projectile – Player held and powered – nonmechanical projector – per se,... – With sound-deadening – vibration-damping – or shock-absorbing...
Patent
1996-12-09
2000-03-07
Pierce, William M.
Games using tangible projectile
Player held and powered, nonmechanical projector, per se,...
With sound-deadening, vibration-damping, or shock-absorbing...
522553, A63B 4900
Patent
active
060333243
ABSTRACT:
A vibration damping device for stringed racquets includes a viscoelastic member adapted to be wrapped around at least a pair of strings of the racquet and a moveable member extending through the viscoelastic member moveable relative to the viscoelastic member in response to vibrations induced by an impact on the strings of the racquet such that the vibration damping device vibrates over the same frequency range but out of phase with the racquet to damp vibrations in the racquet.
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Koganti Gopichand
Nashif Ahid D.
Pierce William M.
Roush Anatrol, Inc.
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