发明名称 Golf club head
摘要 A hollow golf club head includes a face part, a crown part, a sole part, a side part, and a hosel part. The head has a volume of 80 to 200 cm<SUP>3 </SUP>and a weight of 205 to 250 g, a distance between face-side and back-side edges divided by a distance between a toe-side edge and a intersecting point on a heel-side edge of a horizontal line passing through a face center point is 0.3 to 0.7. The crown part includes a large-thickness crown part formed along an overall edge thereof, and a small-thickness crown part formed inside the large-thickness crown part. The side part includes a heel-side small-thickness side part formed at a heel side, a toe-side small-thickness side part formed at a toe side, and a large-thickness side part formed at a portion of the side part other than the heel-side and toe-side small-thickness side parts.
申请公布号 US2007049406(A1) 申请公布日期 2007.03.01
申请号 US20050313859 申请日期 2005.12.22
申请人 BRIDGESTONE SPORTS CO., LTD. 发明人 TATENO ATSUO;MATSUNAGA HIDEO
分类号 A63B53/00 主分类号 A63B53/00
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