Games using tangible projectile – Player held and powered – nonmechanical projector – per se,... – Racket or paddle; accessory therefor
Patent
1998-06-22
2000-08-22
Passaniti, Sebastiano
Games using tangible projectile
Player held and powered, nonmechanical projector, per se,...
Racket or paddle; accessory therefor
473524, 473549, A63B 4908
Patent
active
061064173
ABSTRACT:
A lightweight, high stiffness tennis racket includes a frame having a handle portion with butt end, head portion, and strings supported by the head portion. The racket is formed from a composite material including carbon fibers, titanium fibers, and epoxy resin and includes a length of at least about 27 inches, weight of less than about 9.2 ounces when strung, and a frequency of vibration of the first mode of bending under free-free constraint of at least about 175 Hz. The racket includes a vibration damping unit located about at the racket handle.
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Art Citation listing the physical parameters for the commercially produced racquets: Head Big Bang, Prince Extender Mach 1000 PL, Kuebler R50, Wilson Hammer 3.5 Stretch Outer Limits, Wilson Sledge Hammer 2.8, Wilson Sledge Hammer 2.8 Stretch, and Wilson Sledge Hammer 3.8; Sep. 1985-Feb. 1997.
Lammer Herfried
Umlauft Helmut
Head Sport Aktiengesellschaft
Mendiratta V. K.
Passaniti Sebastiano
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