Games using tangible projectile – Player held and powered – nonmechanical projector – per se,... – Racket or paddle; accessory therefor
Reexamination Certificate
2010-04-12
2011-12-13
Chiu, Raleigh W. (Department: 3711)
Games using tangible projectile
Player held and powered, nonmechanical projector, per se,...
Racket or paddle; accessory therefor
Reexamination Certificate
active
08075429
ABSTRACT:
A stringing machine includes a base and an adjustable stringing platform coupled to the base. The stringing platform includes a turntable rotatable about a first axis, and a first releasable resistance assembly coupled to the turntable. The first releasable resistance assembly is selectable between an engaged operating mode in which the releasable resistance assembly resists rotation of the turntable about the first axis, and a disengaged operating mode in which the releasable resistance assembly does not resist rotation of the turntable about the first axis. The releasable resistance assembly includes a magnetorheological fluid for resisting rotation of the turntable about the first axis when in the engaged operating mode.
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Kapheim Robert T.
Lyons John B.
Rocchi Ronald R.
Severa William D.
van der Pols Erik B.
Chiu Raleigh W.
O'Brien Terence P.
Wilson Sporting Goods Co.
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