Golf club shaft fitting method
    3.
    发明授权
    Golf club shaft fitting method 有权
    高尔夫球杆轴装配法

    公开(公告)号:US09452331B2

    公开(公告)日:2016-09-27

    申请号:US13853125

    申请日:2013-03-29

    IPC分类号: A63B57/00 G01B7/00

    CPC分类号: A63B57/00 G01B7/001

    摘要: A fitting method of a shaft of a golf club for selecting a shaft matching a golfer based on a swing of the golfer. The method includes the steps of obtaining measurement values from a sensor attached to a grip of a golf club; determining address, top, and impact of a swing from the measurement values; and selecting a shaft that matches a golfer through a usage of the swing characteristic amounts and values.

    摘要翻译: 一种高尔夫球杆轴的装配方法,用于根据高尔夫球手的摆动选择与高尔夫球手相匹配的轴。 该方法包括从附接到高尔夫球杆的把手的传感器获得测量值的步骤; 从测量值确定摆动的地址,顶部和影响; 以及通过使用挥杆特征量和值来选择与高尔夫球手匹配的轴。

    Golf club head
    6.
    发明授权

    公开(公告)号:US09802086B2

    公开(公告)日:2017-10-31

    申请号:US15173068

    申请日:2016-06-03

    发明人: Masatoshi Kato

    IPC分类号: A63B53/04 A63B60/52

    摘要: Provided is a golf club head in which the lateral moment of inertia can be increased through thickness adjustment of the sole portion. The golf club head according to the present invention includes a crown portion, a sole portion and a face portion. The sole portion includes a first thin-walled portion and a first thick-walled portion that extends from the toe side of the first thin-walled portion to the heel side of the first thin-walled portion via the back side, so as to surround the first thin-walled portion, and is thicker than the first thin-walled portion.

    Golf club head
    7.
    发明授权

    公开(公告)号:US10850168B2

    公开(公告)日:2020-12-01

    申请号:US16031653

    申请日:2018-07-10

    发明人: Masatoshi Kato

    IPC分类号: A63B53/04

    摘要: The golf club head according to the present invention is a golf club head including a face portion, a crown portion, a sole portion, and a hosel portion configured to accept insertion of a shaft. A reference sole line of intersection which is a line of intersection between a plane containing a central axis of the shaft and perpendicular to a setting surface and a surface of the sole portion with the golf club head in a reference state is prescribed, and a curvature radius of a circular arc that passes through three points on the reference sole line of intersection respectively corresponding to a face center, a position 25 mm from the face center on a toe side and a position 25 mm from the face center on a heel side is 5.0 to 6.0 inches.

    Golf club head
    8.
    发明授权

    公开(公告)号:US10471311B2

    公开(公告)日:2019-11-12

    申请号:US16031413

    申请日:2018-07-10

    发明人: Masatoshi Kato

    IPC分类号: A63B53/04

    摘要: The golf club head according to the present invention includes a face portion, a crown portion and a sole portion, the crown portion including a first region extending in a toe-heel direction along at least part of the face portion, a second region arranged further on a back side than the first region, and a step region extending in the toe-heel direction between the first region and the second region and extending downward toward the second region from the first region side, and the second region including a first part arranged in a vicinity of the middle in the toe-heel direction and contacting the step region, and a second part having a thinner wall thickness than the first part and arranged to surround a periphery of the first part on the back side, the toe side and the heel side of the first part.

    Golf club head and method of manufacturing same

    公开(公告)号:US10987550B2

    公开(公告)日:2021-04-27

    申请号:US16578508

    申请日:2019-09-23

    发明人: Masatoshi Kato

    IPC分类号: A63B53/04 B21K17/00

    摘要: A golf club head has an inner cavity and comprises a face member and a head main body which a front opening, which are connected to each other. The head main body comprises a sole portion, and a weight member which has a specific gravity greater than that of the head main body is fixed to an inner surface of the sole portion. A weld which fix the weight member to the sole portion is disposed at the peripheral edge of the weight member. The weight member has the width in the toe-heel direction of the head, which is smaller on its rear side than its front side.

    Golf club head
    10.
    发明授权

    公开(公告)号:US11786785B2

    公开(公告)日:2023-10-17

    申请号:US17380162

    申请日:2021-07-20

    发明人: Masatoshi Kato

    IPC分类号: A63B53/04 A63B53/08

    摘要: A golf club head has a hollow portion therein. The golf club head includes a head main body comprising a striking face portion, a crown portion and a sole portion, the head main body being provided with a recess extending in a toe-heel direction of the club head on at least one of the crown portion and the sole portion, and a reinforcing rod being fixed to the recess and extending in the toe-heel direction of the club head.