Practice golf club

Details Practice golf club Practice golf club

1997-05-27

1999-02-09

Marlo, George J.

Games using tangible projectile

Golf

Practice swingable implement or indicator associated with...

473232, 473234, 473256, A63B 6936

Patent

active

058686347

ABSTRACT:
A practice golf club aids golf players in improving their stroke by indicating whether or not their swing generates an adequate amount of club head speed. This is achieved by utilizing the centrifugal force generated by a golf swing to actuate a piston located at the head of the golf club. If sufficient club head speed is attained and the piston is displaced a certain amount, a lamp momentarily blinks and an audible "click" can be heard to notify the user that the swing was indeed adequate. The components of the club include a piston, holding ball bearings, a return spring and an electrical circuit which contains a lamp and a ball bearing which is contacted by the piston when the piston is displaced by centrifugal force. The piston produces a second "click" when it is returned and strikes an upper piston chamber wall.

REFERENCES:
patent: 3106403 (1963-10-01), Kirkman
patent: 3136546 (1964-06-01), Connolly
patent: 4515368 (1985-05-01), Petitjean
patent: 4969921 (1990-11-01), Silvera

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