发明名称 Iron golf club
摘要 An iron golf club has a club length L measured in accordance with 60-degrees method of at least 36.5 inches, and it includes: a carbon shaft; a weight attached to said carbon shaft; a grip attached to one end of said carbon shaft; and a head attached to the other end of said carbon shaft. Sum total of mass of the carbon shaft, the weight, the grip and the head is at least 0.3996 kg and at most 0.4197 kg. A value r/L, where r represents a distance from an upper end of the grip to the center of gravity of the iron golf club, is at least 0.765 and at most 0.795. Thus, an iron golf club realizing improved easiness of swing can be provided.
申请公布号 US8715101(B2) 申请公布日期 2014.05.06
申请号 US201213682327 申请日期 2012.11.20
申请人 MIZUNO CORPORATION 发明人 NARUO TAKESHI;ISHIDA KAZUYA;KIMURA TAKASHI;OHTA YASUYUKI;KANAYAMA TETSUYA
分类号 A63B53/04 主分类号 A63B53/04
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