Racket frame comprised of a single continuous filament and resin

Details Racket frame comprised of a single continuous filament and resin Racket frame comprised of a single continuous filament and resin

1981-08-24

1985-03-26

Pinkham, Richard C.

Amusement devices: games

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

Target

273DIG23, 273 73G, 273 73J, 273 73C, 156172, A63B 4910

Patent

active

045068879

ABSTRACT:
The basic racket frame is comprised of an oval head, a yoke merging into a throat and a solid or a hollow shaft which is formed from a single length of collimated filaments preferably graphite fibers, known as a roving impregnated with a thermosetting resin. To form the racket frame, the single length of roving is wound up the handle, around the entire circumference of the head and back down the handle. This winding technique forms a hollow handle to which is attached a hollow, removably interfitting grip portion. This grip portion is then fitted with a cover consisting of stretchable, cylindric bands. The racket frame also includes a throat piece comprised of a plastic insert covered on opposite faces by a mat of filaments. The filaments in this mat are positioned parallel to the filaments in the handle.

REFERENCES:
patent: 1122159 (1914-12-01), Richey
patent: 1470878 (1923-10-01), Robinson
patent: 2878020 (1959-03-01), Robinson
patent: 3483055 (1969-12-01), Eshbaugh
patent: 3582073 (1971-06-01), Melnick et al.
patent: 3625512 (1971-12-01), Latham et al.
patent: 3787051 (1974-01-01), Johns
patent: 4082273 (1978-04-01), Ellzey
patent: 4203596 (1980-05-01), Nagamoto
patent: 4355803 (1982-10-01), Rama

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