Games using tangible projectile – Player held and powered – nonmechanical projector – per se,... – Racket or paddle; accessory therefor
Patent
1996-12-23
1998-09-22
Chiu, Raleigh W.
Games using tangible projectile
Player held and powered, nonmechanical projector, per se,...
Racket or paddle; accessory therefor
473537, A63B 4902
Patent
active
058106839
ABSTRACT:
A sports racquet, preferably a tennis racquet, includes an open throat frame in which at least most of the head portion has an aerodynamic cross-section, and at least most of the shaft portions have a box-like cross-section, the two regions being connected by a morph region for smoothly blending the cross-section of one region into the cross-section of the other region. Preferably, the morph region extends from the throat bridge toward the racquet tip, and the transition from the box-like cross-section to the aerodynamic cross-section occurs over a distance of less than 15% of the overall racquet length and substantially simultaneously with the merging of the ends of the throat bridge into the head portion of the racquet.
REFERENCES:
patent: 3809402 (1974-05-01), Haines et al.
patent: 4561655 (1985-12-01), Mortvedt
patent: 4664380 (1987-05-01), Kuebler
patent: 4997186 (1991-03-01), Carr
patent: 5076583 (1991-12-01), Hsu
patent: 5080361 (1992-01-01), Blanc et al.
patent: 5158288 (1992-10-01), Chen et al.
patent: 5312102 (1994-05-01), Stennett
patent: 5470061 (1995-11-01), Colburn et al.
Maxima 1988 catalog, Collexione 1988, showing Profile tennis racquet.
Photocopy of 1991 Maxima Profiline Mid tennis racquet (throat region).
Photocopy of Kneissl White Star Twin racquet (throat region), date unknown, admitted prior art.
Gillaume Barcelion racquet, 1753.
Tropical Eagle wood tennis racquet, date unknown, admitted prior art.
Defender wooden racquet, 1920's.
Dayton Steel metal racquets, date unknown, admitted prior art.
Ambassador wood racquet, Draper & Maynard, 1920's.
Harry Lee model "The Bat" 1920's.
Lee model Dreadnought Driver C. 1920.
Magnan Superior, late 1920's.
Reach flat-top racquet, circa 1885.
Super Stroke, Wilson, 1920's.
Wilson model, The Championship, 1920's.
Reach Contender, 1915.
Chiu Raleigh W.
Prince Sports Group, Inc.
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