Tennis practice apparatus

Details Tennis practice apparatus Tennis practice apparatus

1985-08-28

1988-04-05

Pinkham, Richard C.

Amusement devices: games

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

Target

273 26E, 273413, 273 58C, A63B 6940

Patent

active

047354135

ABSTRACT:
A tennis practice apparatus including a ball secured to a string. The apparatus (1) is essentially composed of a plurality of string members (3), (5), a plurality of fastening members (11), (12), (13) for the string members, and a frame body (2) which is provided with the fastening members at first and second positions in the same plane and at a third position which is above those two positions. The three positions to which the fastening members are attached constitute the vertices of a triangle formed in a plane substantially perpendicular to the base portion of the frame body. The string members have a guide rope (3) stretched between the fastening members (12), (13) at the first and second positions, and an elastic string (5) which freely extends or contracts with one end secured to the fastening member (11) at the third position and the other end slidably secured to the guide rope. At least one, or, if necessary, two balls (4) are attached at the intermediate portion of the elastic string ( 5).

REFERENCES:
patent: 831605 (1906-09-01), Doyle
patent: 1554409 (1925-09-01), Coffee
patent: 2247072 (1941-06-01), Stow
patent: 3475026 (1969-10-01), Cooper
patent: 3477717 (1969-11-01), Clark
patent: 4113257 (1978-09-01), Moffatt

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