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11. 发明授权

US4787636A Golf club head 失效
标题翻译：高尔夫球杆头
公开(公告)号：US4787636A
公开(公告)日：1988-11-29
申请号：US936873
申请日：1986-12-02
申请人： Yukihiro Honma
发明人： Yukihiro Honma
IPC分类号： A63B53/04
CPC分类号： A63B53/04 , A63B53/047 , A63B2053/0441 , A63B53/0466
摘要： A golf club head includes a body having a front face which is adapted to engage a golf ball, the front face being disposed at an acute angle relative to vertical when a player addresses the ball by viewing the golf club head when the golf club head is in a position to engage the golf ball. The front face has an upper edge portion which is chamfered to form a chamfer face which is disposed at an obtuse angle relative to the front face. The chamfer face has an upper edge which defines the upper boundary of the head body while the front face has a lower edge which defines the lower boundary of the head body. The chamfer face and the front face are disposed such that when a player addresses the ball, the player perceives the plane extending between the upper and lower edges as the ball-engaging plane such that the player thereby perceives the loft angle to be greater than the actual loft angle, the actual loft angle being the acute angle of the front face relative to vertical when a player addresses the ball.
摘要翻译：高尔夫球杆头包括具有适于接合高尔夫球的前表面的主体，当高尔夫球杆头是高尔夫球杆头时，通过观看高尔夫球杆头来查看高尔夫球杆头时，前表面相对于垂直方向以锐角设置能够接触高尔夫球。前面具有上边缘部分，其被倒角以形成相对于前表面以钝角设置的倒角面。倒角面具有限定头本体的上边界的上边缘，而前表面具有限定头部主体的下边界的下边缘。倒角面和前面设置成使得当玩家对球进行寻址时，玩家感觉到在上下边缘之间延伸的平面作为球接合平面，使得玩家从而感知出顶角大于实际的阁楼角度，实际的阁楼角度是当玩家处理球时前表面相对于垂直方向的锐角。

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