| 发明名称 | Golf club head | ||
| 摘要 | A golf club head having a face part, a sole part, a side part, a crown part and a hosel part, all of which surround a hollow part comprises a penetration hole that is provided on the crown part, penetrating the crown part so that the hollow part is connected with an outer atmosphere of the golf club head and a non-metal cover that is provided over the penetration hole. A recess part, which forms a recess, is provided on a surface of the non-metal cover. | ||
| 申请公布号 | US9421434(B2) | 申请公布日期 | 2016.08.23 |
| 申请号 | US201514853257 | 申请日期 | 2015.09.14 |
| 申请人 | Bridgestone Sports Co., Ltd. | 发明人 | Takagi Masaya;Takechi Takaharu;Kitagawa Tomonori |
| 分类号 | A63G11/00;A63B53/04 | 主分类号 | A63G11/00 |
| 代理机构 | Muncy, Geissler, Olds & Lowe, P.C. | 代理人 | Muncy, Geissler, Olds & Lowe, P.C. |
| 主权项 | 1. A golf club head having a face part, a sole part, a side part, a crown part and a hosel part, all of which surround a hollow part, comprising: a penetration hole that is provided on the crown part, penetrating the crown part so that the hollow part is connected to an outer atmosphere of the golf club head; and a non-metal cover that is provided over the penetration hole, wherein three or more recess parts, each of which forms a recess, are provided on a surface of the non-metal cover, the recess part extends in a toe-heel direction of the head, these recess parts extending in the toe-heel direction are arranged in a face-back direction, which is perpendicular to the toe-heel direction, with an interval, one of the recess parts, which is not the closest to the face part or farthest from the face part in the face-back direction, is positioned above the penetration hole. | ||
| 地址 | Tokyo JP | ||