Games using tangible projectile – Golf – Club or club support
Patent
1996-07-25
1998-01-20
Pierce, William M.
Games using tangible projectile
Golf
Club or club support
473331, A63B 5304
Patent
active
057096171
ABSTRACT:
When a plurality of grooves extending from the toe side to the heel side are disposed in a plurality of upper to lower rows in a face of a wood type golf club head, these grooves are disposed on the lower portion side of the face and the upper portion side of the face is slicked without disposing the grooves. This arrangement can make a flying distance of a ball greater than by conventional golf club irrespective of rain or shine.
In place of the construction wherein the upper portion side of the face is slicked, it is possible to employ the construction wherein the gaps between grooves disposed on the upper portion side of the face are greater than those between grooves disposed on the lower portion side, or the construction wherein each width of grooves disposed on the upper portion side of the face is smaller than that of grooves disposed on the lower portion side.
REFERENCES:
patent: 5358249 (1994-10-01), Mendralla
patent: 5397127 (1995-03-01), Kawada et al.
patent: 5484155 (1996-01-01), Yamawaki et al.
patent: 5505450 (1996-04-01), Stuff
patent: 5595547 (1997-01-01), Lekavich
Miyamoto Masahiko
Nishimura Toshinori
Pierce William M.
The Yokohama Rubber Co. Ltd.
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