Amusement devices: games – Surface projectile game; game element – Simulated game
Patent
1987-07-08
1989-01-03
Marlo, George J.
Amusement devices: games
Surface projectile game; game element
Simulated game
273172, 273174, A63B 5306, A63B 5308
Patent
active
047951591
ABSTRACT:
A hollow golf club head made from fiber reinforced plastic is provided with a sole plate of composite construction. The sole plate includes an inner resin block interengaged with an outer metal layer. A projection on the resin block extends upward into an opening in the bottom surface of the club head. An aperture passes through the center of the sole plate and through a nut embedded in the resin block. A threaded bolt is screwed into the embedded nut for weight adjustment.
REFERENCES:
patent: 4535990 (1985-08-01), Yamada
patent: 4714577 (1987-12-01), Nagamoto et al.
Marlo George J.
Yamaha Corporation
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