Tennis racket with variable balance and weight

Details Tennis racket with variable balance and weight Tennis racket with variable balance and weight

1974-12-23

1977-06-07

Apley, Richard J.

Amusement devices: games

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

Target

273 73G, A63B 4904

Patent

active

040278816

ABSTRACT:
A tennis racket with variable balance and weight, has a device comprising a movable member slidable along a shaped guide member between the base of the frame and the end of the handle which is gripped by the hand. The movable member and the guide member comprise cooperating structure for fastening the movable member in place and releasing it, said structure cooperating so that the release and movement of the movable member from one position to another on the guide member may be effected instantaneously even with a single finger by a simple thrust against the movable member or by the combination of pressure and thrust against the movable member. The movable member is thus located instantaneously at any position on the guide member.

REFERENCES:
patent: 1186283 (1916-06-01), Coddington
patent: 1587918 (1926-06-01), Morrison
patent: 2215899 (1940-09-01), Beasley
patent: 2368984 (1945-02-01), Hart
patent: 2395864 (1946-03-01), Geerlings et al.
patent: 2677544 (1954-05-01), Desselman
patent: 2777692 (1957-01-01), Marzucco
patent: 3135344 (1964-06-01), Olyphant
patent: 3310320 (1967-03-01), Hanna et al.
patent: 3392976 (1968-07-01), Hayes
patent: 3414260 (1968-12-01), Gust
patent: 3834697 (1974-09-01), McNamara et al.
patent: 3834722 (1974-09-01), Rainer
patent: 3931968 (1976-01-01), Hedberg

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