| 发明名称 | Golf club head and golf club | ||
| 摘要 | A golf club head with a hollow portion therein, includes a head main body provided with at least one opening which includes at least a part of a sole portion forming a bottom of the head, a resin member composed of a fiber reinforced resin which is attached to the head main body so as to close the opening, and a reinforcing member across the opening having a specific gravity greater than that of the resin member. | ||
| 申请公布号 | US8870681(B2) | 申请公布日期 | 2014.10.28 |
| 申请号 | US201213669995 | 申请日期 | 2012.11.06 |
| 申请人 | Dunlop Sports Co. Ltd. | 发明人 | Yamamoto Akio |
| 分类号 | A63B53/04 | 主分类号 | A63B53/04 |
| 代理机构 | Birch, Stewart, Kolasch & Birch, LLP | 代理人 | Birch, Stewart, Kolasch & Birch, LLP |
| 主权项 | 1. A golf club head having a hollow portion therein, including: a head main body provided with at least one opening which includes at least a part of a sole portion forming a bottom of the head; a resin member composed of a fiber reinforced resin which is attached to the head main body so as to close the opening; and a reinforcing member extending across the opening so as to divide it into at least two openings and having a specific gravity greater than that of the resin member, wherein the reinforcing member has a first portion extending in a front-back direction of the head, wherein the first portion includes a front portion, a rear portion and a middle portion there between in the front-back direction, and wherein the middle portion has a thickness greater than those of the front and rear portions. | ||
| 地址 | Kobe JP | ||