发明授权
- 专利标题: Golf club
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申请号: US16819339申请日: 2020-03-16
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公开(公告)号: US11253759B2公开(公告)日: 2022-02-22
- 发明人: Hiroshi Hasegawa , Hiroyuki Takeuchi , Yuuichiro Yoneyama
- 申请人: SUMITOMO RUBBER INDUSTRIES, LTD.
- 申请人地址: JP Hyogo
- 专利权人: SUMITOMO RUBBER INDUSTRIES, LTD.
- 当前专利权人: SUMITOMO RUBBER INDUSTRIES, LTD.
- 当前专利权人地址: JP Hyogo
- 代理机构: Greenblum & Bernstein, P.L.C.
- 优先权: JPJP2019-085650 20190426
- 主分类号: A63B53/14
- IPC分类号: A63B53/14 ; A63B53/08
摘要:
A golf club comprises: a golf club shaft extending from its first end to second end in its axis direction; a golf club head attached to the second end of the golf club shaft; a grip attach to the first end of the golf club shaft and having a grip end; and a weight member attached to the golf club shaft. The specific gravity of the weight member is 2.5 or more. The length of the weight member is 20 mm or less. The weight member is disposed in a grip-end portion of the golf club shaft so that a mass distribution in the axis direction of the grip-end portion has a local maximum occurring at a position within the grip-end portion, wherein the grip-end portion is defined as extending from the grip end toward the second end by 40 mm in the axis direction.
公开/授权文献
- US20200338405A1 GOLF CLUB 公开/授权日:2020-10-29
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