Equipment for ball hitting practice

Details Equipment for ball hitting practice Equipment for ball hitting practice

1993-01-13

1994-07-26

Graham, Mark S.

Amusement devices: games

Surface projectile game; game element

Simulated game

273194R, 2731874, A63B 6936

Patent

active

053322258

ABSTRACT:
An equipment for ball hitting practice capable of carrying out an analog or digital display of a defect in a ball hitting form to permit a practicer correct the defective form without deteriorating an appearance of a ball hitting stick such as a golf club and its balance. A small-sized gyro is arranged in a shaft of a golf club to detect rotation of the shaft about an axis thereof, to thereby generate a signal. The signal is then fed to a receiver box by wire or wireless transmission and displayed as unintentional movement of a ball hitting face of the club.

REFERENCES:
patent: 3717857 (1973-02-01), Evans
patent: 3945646 (1976-03-01), Hammond
patent: 4582325 (1986-04-01), Yuhara
patent: 4991850 (1991-02-01), Wilhlem
patent: 5082283 (1992-01-01), Conley
patent: 5150104 (1992-09-01), Thomas et al.
patent: 5209483 (1993-05-01), Gedney et al.

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