Racket

Details Racket Racket

1995-09-11

1996-08-13

Chiu, Raleigh W.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

273 73R, 273 73G, A63B 4902

Patent

active

055448780

ABSTRACT:
A racket includes a head portion, a throat portion including two rods and a handle, at least one of the head portion and/or the throat portion has a segment having an ovoid cross section when taken in a plane orthogonal to an axis of the segment thereof, the ovoid cross section having a front arc, a rear arc, an inner arc, an outer arc and four quadrant arcs, the front/rear arc inscribed to an imaginary circle with radius R0 at point A which is located on a vertical central line of the imaginary circle, the profile of first quadrant and the second quadrant of the cross section being symmetrical to that of the third quadrant and the fourth quadrant of the cross section about a horizontal central line, the respective extension curve of the first quadrant arc and the second quadrant arc intersecting at two points one of which is located above the point A, the length of any radius of the four quadrant arcs being equal to 1.02-1.25 times that of the R0 and the widest portion of the cross section being less than 2R0.

REFERENCES:
patent: 4561655 (1985-12-01), Mortvedt
patent: 5076583 (1991-12-01), Hsu
patent: 5211691 (1993-05-01), Sol
patent: 5299801 (1994-04-01), Sol et al.
patent: 5312102 (1994-05-01), Stennett

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