Tennis racket with adjustable weight

Details Tennis racket with adjustable weight Tennis racket with adjustable weight

1977-11-22

1979-12-18

Apley, Richard J.

Amusement devices: games

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

Target

273 73G, A63B 4904

Patent

active

041791215

ABSTRACT:
A tennis racket is provided with a mechanism for adjusting the position of the center of gravity of the racket. The racket handle carries a plate having an elongated slot extending axially of the handle. A small counterweight is mounted for movement along the slot to alter the position of the center of gravity and an adjustment screw and wing nut are carried by the counterweight to clamp it in position along the slot.

REFERENCES:
patent: 1186283 (1916-06-01), Coddington
patent: 2135648 (1938-11-01), Stumpf
patent: 2155830 (1939-04-01), Howard
patent: 2395864 (1946-03-01), Geerlings et al.
patent: 2546140 (1951-03-01), Tynan et al.
patent: 2644689 (1953-07-01), Putnam
patent: 2950919 (1960-08-01), Cadman
patent: 3133735 (1964-05-01), Greenshields
patent: 3204639 (1965-09-01), Kleffman
patent: 3382941 (1968-05-01), Novak
patent: 3758117 (1973-09-01), Harrison
patent: 4027881 (1977-06-01), Hufenus

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