Racket

Details Racket Racket

1976-09-22

1978-08-08

Shapiro, Paul E.

Amusement devices: games

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

Target

A63B 4908

Patent

active

041052056

ABSTRACT:
A racket for tennis and the like in which the handle is provided with one or more rotatable beams of rectangular cross section for radically changing its stiffness, and which provides for vibration damping during impact with the ball by the inclusion of a vibration damping fluid in the cavity which houses the beams.

REFERENCES:
patent: 1917236 (1933-07-01), Bloomstrand
patent: 2273120 (1942-02-01), Lindskog
patent: 2395864 (1946-03-01), Geerlings et al.
patent: 3461593 (1969-08-01), Martuch et al.
patent: 3762707 (1973-10-01), Santorelli
patent: 3833223 (1974-09-01), Shulkin

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