Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1986-07-21
1988-07-05
Marlo, George J.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
273175, A63B 5304, A63B 5308
Patent
active
047549718
ABSTRACT:
A set of golf clubs, each having a striking surface with a different angle of loft and a coefficiency of friction. The coefficient of friction gradually increases in accordance with a gradual decrease of the angle of loft and a gradual increase of the club length. Therefore, the longer the club is, the smaller the angle of loft of the club and the larger the coefficient of friction becomes. It is easy to provide a back spin on a ball even with a longer club.
REFERENCES:
patent: 3455558 (1969-07-01), Onions
patent: 3966210 (1976-06-01), Rozmus
patent: 3989861 (1976-11-01), Rasmussen
patent: 4529203 (1985-07-01), Ribaudo
patent: 4630826 (1986-12-01), Nishigaki et al.
Marlo George J.
Maruman Golf Co. Ltd.
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