Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1990-11-27
1993-05-18
Millin, V.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
273 73G, A63B 4902
Patent
active
052116913
ABSTRACT:
A tennis racket is disclosed which has a frame joined to a longitudinally extending handle on an axis of symmetry of the racket. A handle of the frame defines annular opening which is covered by stringing tensioned in a plane extending across the opening. Two connecting arms attach the handle to the frame and a reinforcement member between the two connecting arms defines a portion of the annular opening. The height of the main portion of the frame in a direction perpendicular to the stringing plane is at least essentially constant between the connecting arms and an end portion of the frame, the width of the frame in the main portion thereof being between about 50% and 75% of the frame height. Further, an end portion of the frame, including the top end thereof, has a cross section which increases from the main portion of the frame to the top end. The racket frame further has a cross section defined by a tubular profile having a reentrant concave portion at the outer side thereof, upper and lower summit areas adjoining the surface of the frame facing the annular opening thereof, and substantially flat wall portions therebetween which are inclined relative to the stringing plane at an angle between 25.degree. and 65.degree..
REFERENCES:
patent: 3801099 (1974-04-01), Lair
patent: 4153249 (1979-05-01), Plagenhoef
patent: 4177990 (1979-12-01), Kajiwara
patent: 4212461 (1980-07-01), Cecka
patent: 4662634 (1987-05-01), Winkler
patent: 4664380 (1987-05-01), Kuebler
patent: 4875679 (1989-10-01), Movilliat
patent: 4919438 (1990-04-01), Yoneeyama
Donnay International S.A.
Millin V.
Stoll William E.
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