Balance shaft

Details Balance shaft Balance shaft

1988-08-16

1991-04-02

Coven, Edward M.

Amusement devices: games

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

Target

273 80C, 273 808, A63B 5300

Patent

active

050042360

ABSTRACT:
A balance shaft is comprised of cylindrical members provided inside a golf shaft at appropriate points to give the golf-shaft an ideal whippiness and ensure the club-head makes accurate contact with the ball.

REFERENCES:
patent: 1573708 (1926-02-01), Hoerle
patent: 1589297 (1926-06-01), Lard
patent: 1950342 (1934-03-01), Meshel
patent: 3389046 (1968-06-01), Burress
patent: 4319750 (1982-03-01), Roy
patent: 4415156 (1983-11-01), Jorgensen
patent: 4461479 (1984-07-01), Mitchell
patent: 4674746 (1987-06-01), Benoit
patent: 4725062 (1988-02-01), Kinney

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