A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
A63B 53/00 (2006.01) A63B 53/04 (2006.01)
Patent
CA 2393387
A groove (6) is provided a surface on a cavity portion (2) side of a sole portion (4) in a head portion (1) of an iron golf club, and a thickness of a ball hitting portion in a face portion is made larger than a thickness of a top edge side portion (12) of the face portion and at least as large as a thickness of a sole side portion (13) of the face portion. In a golf club set according to the present invention, the groove (6) has the greatest depth in a long iron golf club, while the groove (6) has the smallest depth in a short iron golf club or no groove is provided in the short iron golf club.
L'invention concerne une tête de club de golf en fer comprenant une rainure ménagée dans la surface latérale d'une partie cavité (2) de la partie semelle (4) de ladite tête (1), une partie de frappe de balle d'une face étant plus épaisse que la partie latérale (12) de bord supérieur et que la partie latérale (13) de semelle de ladite face. L'invention concerne également un ensemble de clubs de golf dans lesquels la profondeur de la rainure (6) est plus grande dans les clubs de golf en fer longs, et plus petite ou inexistante dans les clubs de golf en fer courts.
Chaen Kiyotaka
Iwata Mototaka
Saraie Mamoru
Toshinari Isamu
Watanabe Tomomi
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Mizuno Corporation
LandOfFree
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