Games using tangible projectile – Golf – Club or club support
Patent
1999-05-17
2000-12-19
Passaniti, Sebastiano
Games using tangible projectile
Golf
Club or club support
473345, 473349, A63B 5304
Patent
active
061621323
ABSTRACT:
A golf club head of simple structure is provided, in which tungsten balance weights can be fixed to a titanium sole plate with a sufficient bonding strength. A golf club head 2 includes a hollow shell made of titanium or titanium alloy. The shell has a main body 4, a sole plate 6 and a face plate 8 which are integrally welded. Balance weight members 10 made of tungsten are provided on the sole plate 6 as press-fitted into holes 12 arranged between the toe side 6a and the heel side 6b of the sole plate 6. The balance weight 10 is a disk-like shape and integrally has a flange 10a extending radially at an upper end thereof. The flange 10a provided at an upper end of each balance weight member 10 abuts to the inner surface of the sole plate 6. Also, there is provided a metal plate 14 which covers and abuts the upper portions of the balance weights 10. An edge portion of the metal plate 14 is bent in the shape of "L" by a thickness of the flange 10a of the balance weight member 10, and appropriate points of the edge portion are welded to the inner surface of the sole plate 6.
REFERENCES:
patent: 3652094 (1972-03-01), Glover
patent: 5935019 (1999-08-01), Yamamoto
patent: 5967905 (1999-10-01), Nakahara
Golf Digest, magazine, May 15, 1992 issue, "The Taylor Made V Metal vs. The Big Bertha".
Golf, magazine, Jan. 1998 issue, p. 33 of the "Equipment Buyer's Guide".
Passaniti Sebastiano
Yonex Kabushiki Kaisha
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