发明名称 Adjustable golf club
摘要 In an embodiment, a golf club includes a striking face, a top portion, a sole portion opposite the top portion, and a shaft assembly. The shaft assembly can include a shaft having a butt end and a tip end, and a shaft sleeve located at the tip end, the shaft sleeve including indicia, and a hosel extending from the top portion. The hosel can include a sidewall, an internal bore for receiving the shaft assembly, and an aperture extending through, and circumscribed by, the sidewall such that the indicia of the shaft sleeve corresponds with the aperture.
申请公布号 US9308430(B2) 申请公布日期 2016.04.12
申请号 US201213665237 申请日期 2012.10.31
申请人 DUNLOP SPORTS CO. LTD. 发明人 Nivanh Dan S.
分类号 A63B53/02;A63B71/06;A63B53/00;A63B53/04 主分类号 A63B53/02
代理机构 Oliff PLC 代理人 Oliff PLC
主权项 1. A golf club comprising: a striking face; a top portion; a sole portion opposite the top portion; a shaft assembly including a shaft having a butt end and a tip end, and a shaft sleeve located at the tip end, the shaft sleeve including indicia; and a hosel extending from the top portion, the hosel including a sidewall, a tip end, an internal bore for receiving the shaft assembly, a hosel axis, and an aperture extending through, and circumscribed by, the sidewall such that the indicia of the shaft sleeve corresponds with the aperture, wherein the aperture has a width greater than or equal to 2 mm and less than 4 mm, wherein the aperture has a top portion and a bottom portion such that at least one of the top portion and the bottom portion, in its entirety, follows a semi-circular path, and wherein the sidewall circumscribing the aperture includes an inner surface having a first thickness T1 in a radial direction from the hosel axis and a chamfered edge having a second thickness T2 in the radial direction, T1/T2 being between approximately 3 and 7.33, and the chamfered edge extending outward of the inner surface to form an interior angle therebetween of between about 110° and 160°.
地址 Kobe-shi JP