Games using tangible projectile – Golf – Club or club support
Patent
1996-01-16
1997-02-04
Grieb, William H.
Games using tangible projectile
Golf
Club or club support
A63B 5304
Patent
active
055992439
ABSTRACT:
An iron or putter golf club head which enables the enlarging of a sweet area. In a peripheral portion of a back 2a of a head body 11a made of titanium alloy is formed an embedding groove 13a. Into the embedding groove 13a is press-fitted a balance weight 12a of beryllium copper alloy. The balance weight 12a has an integral extention 16a extending down to a sole of the head body 11a. After the press-fitting process, a cavity 18a is formed in an area of the back 2a surrounded by the balance weight 12a by milling. Owing to the annular balance weight and the cavity provided at the back 2a, the weight distribution of the head is capable of being greatly concenterated on the peripheral portion of the head. In addition, the above extension 16a enables the lowering of the center of gravity of the head body 11a, thus providing a golf club head with which balls are capable of being easily controlled.
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Grieb William H.
K. K. Endo Seisakusho
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