公开(公告)号：US09017187B2

公开(公告)日：2015-04-28

申请号：US13944041

申请日：2013-07-17

Applicant: Dunlop Sports Co. Ltd.

Inventor： Hiroshi Abe

IPC: A63B53/04 ,  A63B49/06

CPC classification number: A63B53/0466 ,  A63B60/52 ,  A63B2053/0408 ,  A63B2053/0433 ,  A63B2053/0437 ,  A63B2053/0458 ,  A63B2053/0462

Abstract: A hollow golf club head comprises a face and a face peripheral portion extending rearward from the face, the face periphery portion provided with a toe-side reduced-rigidity portion and a heel-side reduced-rigidity portion consisting of a concave portion or a slit, wherein under a standard state, the toe-side portion has a center point of length located higher and at the toe side than a face centroid, wherein an angle of a first straight line passing through the face centroid and the center point P1 to the horizontal plane is 20 to 60 degrees, and the heel-side portion has a center point P2 of length located lower and the heel side than the face centroid, wherein an angle of a second straight line passing through the face centroid and the center point P2 to the horizontal plane is 10 to 70 degree.

Abstract translation: 一种空心高尔夫球杆头，包括从面部向后延伸的面和面周边部分，面周边部分设置有趾侧减少刚性部分和由凹部或狭缝组成的跟部侧刚性部分 其特征在于，在标准状态下，所述脚趾侧部分的中心点的长度位于比面部重心更高且在趾侧的中心点，其中通过面心和第一中心点P1的第一直线的角度 水平面为20〜60度，后跟侧部分的中心点P2的长度位于比脸部重心低的后跟侧，其中通过面心的第二直线的角度和中心点P2 到水平面是10到70度。

公开(公告)号：US09522310B2

公开(公告)日：2016-12-20

申请号：US14453730

申请日：2014-08-07

Applicant: Dunlop Sports Co. Ltd.

Inventor： Hiroshi Abe

IPC: A63B53/04

CPC classification number: A63B60/00 ,  A63B53/0466 ,  A63B60/52 ,  A63B2053/0408 ,  A63B2053/0437 ,  A63B2053/0458

Abstract: A hollow golf club head has a crown portion extending from a face portion and configured so as to generate good ball hitting sound. The crown portion is provided with a first region having a first thickness, a second region having a second thickness and a third region having a third thickness, wherein the third thickness is less than the second thickness which is less than the first thickness. The first region is disposed in a face portion side of the crown portion and extending in the toe-heel direction. The third region is disposed backward of the first region. The second region surrounds the third region.

Abstract translation: 中空高尔夫球杆头具有从面部部分延伸并且构造成产生良好的击球声的冠部。 冠部设置有具有第一厚度的第一区域，具有第二厚度的第二区域和具有第三厚度的第三区域，其中第三厚度小于小于第一厚度的第二厚度。 第一区域设置在冠部的面部侧，并且在脚跟方向上延伸。 第三区域设置在第一区域的后方。 第二区域围绕第三区域。