Game racket with adjustable string suspension system

Details Game racket with adjustable string suspension system Game racket with adjustable string suspension system

1994-07-22

1995-10-17

Chiu, Raleigh W.

Amusement devices: games

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

Target

273 73C, 273 73D, 273 73G, 273 73L, A63B 5112

Patent

active

054583314

ABSTRACT:
The string suspension system comprises a primary racket frame (12) joined about the racket head (14) by two suspension frames (22 and 22') to form dual volumetrically adjustable air chambers (44 and 44') within a head assembly (16). Within each of the two air chambers (44 and 44') is located an inflatable suspension bladder (54 and 54') which, when pressurized, induces an outward expansion of the suspension frames (22 and 22'). The tension of the strings (30) laced through both the racket head (14) and the suspension frames (22 and 22') thus increases when this pressure induced transformation occurs.

REFERENCES:
patent: 1558507 (1925-10-01), Ryder
patent: 3904202 (1975-09-01), DeLorean
patent: 3999756 (1976-12-01), Head
patent: 4206917 (1980-06-01), Guillem et al.
patent: 4512576 (1985-04-01), Dahlgren
patent: 4566695 (1986-01-01), Melby
patent: 4613138 (1986-09-01), Haythornthwaite
patent: 4772021 (1988-09-01), Maynard
patent: 4909511 (1990-03-01), DeVille et al.
patent: 4995608 (1991-02-01), von Hackewitz
patent: 5029859 (1991-07-01), Davis
patent: 5083776 (1992-01-01), Liu

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