Long string racquets, particularly for racquetball

Details Long string racquets, particularly for racquetball Long string racquets, particularly for racquetball

1996-04-26

1999-07-06

Chiu, Raleigh W.

Games using tangible projectile

Player held and powered, nonmechanical projector, per se,...

Racket or paddle; accessory therefor

473549, 473538, A63B 4908

Patent

active

059191040

ABSTRACT:
A racquet with strings and a handle has at least a portion of the strung length of at least some of its strings at least partially within a cavity defined by the racquet's handle, and/or, in the case of a racquet having a shaft, a cavity defined by the racquet's shaft. Typically two, or some multiple of two, strings are extended in strung length by at least a portion of the length of the handle's (shaft's) cavity. The cavity may be but only slightly recessed into the handle (shaft), and may be nearly as long as is the handle (shaft) itself. Particularly in the case those racquetball racquets qualified by the 1996 rules of the American Amateur Racquetball Association to twenty one inches (21") in total length, each of preferably two or more "long" strings commonly extend at least fifteen and one-half inches (.gtoreq.51/2"), and may extend as long as twenty and one-half inches (>201/2"), in strung length by virtue of extending within the cavity of a hollow handle. The "long" strings are subject to being displaced a greater distance from the plane of the racquet during ball strikes and strokes than are the shorter strings for which they substitute, beneficially permitting (i) a greater energy storage in the strings and racquet frame, (ii) a larger sweet spot, longer ball contact, and (iii) a more prolonged and greater return of energy to the struck ball.

REFERENCES:
patent: 2089118 (1937-08-01), Fritsch
patent: 4196901 (1980-04-01), Durbin
patent: 4333650 (1982-06-01), Soong
patent: 4531738 (1985-07-01), Mortvedt et al.
patent: 4595201 (1986-06-01), Fischer
patent: 4613138 (1986-09-01), Haythornthwaite
patent: 4754968 (1988-07-01), Fischer
patent: 4765621 (1988-08-01), Game

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