Golf club head with varying face grooves

Games using tangible projectile – Golf – Club or club support

Reexamination Certificate

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Details

C473S290000, C473S331000

Reexamination Certificate

active

07905797

ABSTRACT:
The present invention is directed to a golf club head with an improved striking surface. Grooves are machined into the strike surface with tight tolerances. The grooves have sharp edges, radiused ends, and a draft angle between about 2° and 12°. The striking face is machined such that it has a uniform texture with a roughness of more than 40 Ra. The grooves may contain a plurality of portions, including a radiused or angled portion, a portion having substantially parallel walls, a portion having a v-shape, and a curved portion. The grooves may also be characterized by various dimensions, including draft angle, inclusive side wall angle, width, depth, cross-sectional area, spacing, and pitch ratio. Preferred values for these dimensions are provided. A golf club head having a variety of groove types and a set of golf clubs with grooves varying among the individual clubs of the set are also disclosed.

REFERENCES:
patent: 4413825 (1983-11-01), Sasse
patent: 4529203 (1985-07-01), Ribaudo
patent: 4869508 (1989-09-01), Miller
patent: 5029864 (1991-07-01), Keener
patent: 5295686 (1994-03-01), Lundberg
patent: 5358249 (1994-10-01), Mendralla
patent: 5437088 (1995-08-01), Igarashi
patent: 5505450 (1996-04-01), Stuff
patent: 5591092 (1997-01-01), Gilbert
patent: 5601498 (1997-02-01), Antonious
patent: 5637044 (1997-06-01), Swash
patent: 5688186 (1997-11-01), Michaels et al.
patent: 5766087 (1998-06-01), Kawamatsu
patent: 6099414 (2000-08-01), Kusano et al.
patent: 6224497 (2001-05-01), Antonious
patent: 6348010 (2002-02-01), Doolen
patent: 6348011 (2002-02-01), Reyes et al.
patent: 6605006 (2003-08-01), Mason
patent: 6733400 (2004-05-01), Sherwood
patent: 6739984 (2004-05-01), Ciasullo
patent: 6814673 (2004-11-01), Wahl et al.
patent: 6890270 (2005-05-01), Ciasullo
patent: 6981923 (2006-01-01), Chappell
patent: 7014568 (2006-03-01), Pelz
patent: 7056226 (2006-06-01), Kennedy
patent: 7192361 (2007-03-01), Gilbert et al.
patent: 7273422 (2007-09-01), Vokey et al.
patent: 7285057 (2007-10-01), Mann, Jr. et al.
patent: 7473187 (2009-01-01), Vokey et al.
patent: 7568983 (2009-08-01), Gilbert
patent: 7653980 (2010-02-01), Vokey et al.
patent: 7658685 (2010-02-01), Vokey et al.
patent: 2005/0043113 (2005-02-01), Mann et al.

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