发明名称 ゴルフクラブ及びその特性調節方法
摘要 A golf club includes: a shaft; a head; and a shaft case, a hosel column, wherein: the shaft case includes a convex axis member provided at a top end of the shaft case; the hosel column includes a plurality of concave threads that are provided on the lower side of a step face on an inner periphery of the hosel column; a flange member is provided at a back end of the shaft case, and a spacer is provided insertable and removable between the flange member and an upper end of the hosel column; a bolt holder is arranged to connect with the step face when the spacer is inserted between the flange member of the shaft case and the hosel column; and the bolt holder is arranged to connect with the upper ends of the concave threads when the spacer is removed.
申请公布号 JP6064568(B2) 申请公布日期 2017.01.25
申请号 JP20120268434 申请日期 2012.12.07
申请人 ブリヂストンスポーツ株式会社;大田精密工業股▲ふん▼有限公司 发明人 北川 知憲
分类号 A63B53/02 主分类号 A63B53/02
代理机构 代理人
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