| 发明名称 |
GOLF CLUB HEAD |
| 摘要 |
A golf club head of this invention is a wood type golf club head including a face portion, a crown portion, and a sole portion. A plurality of grooves arrayed in the vertical direction of the face portion are formed in the face portion. The depth of the plurality of grooves is less than 0.025 mm. When pitches between, out of the plurality of grooves, grooves adjacent in the vertical direction of the face portion are represented by P1, P2, . . . , Pn sequentially from the upper side to the lower side of the face portion, P1≧P2≧ . . . ≧Pn, and P1>Pn. |
| 申请公布号 |
US2015360091(A1) |
申请公布日期 |
2015.12.17 |
| 申请号 |
US201514693051 |
申请日期 |
2015.04.22 |
| 申请人 |
BRIDGESTONE SPORTS CO., LTD. |
发明人 |
BAN Wataru |
| 分类号 |
A63B53/04 |
主分类号 |
A63B53/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A wood type golf club head including a face portion, a crown portion, and a sole portion, wherein
a plurality of grooves arrayed in a vertical direction of the face portion are formed in the face portion, a depth of the plurality of grooves is less than 0.025 mm, and when pitches between, out of the plurality of grooves, grooves adjacent in the vertical direction of the face portion are represented by P1, P2, . . . , Pn sequentially from an upper side to a lower side of the face portion
P1≧P2≧ . . . ≧Pn, andP1>Pn. |
| 地址 |
Tokyo JP |
