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    Selectively balanced golf club heads and method of head selection
    117.
    发明授权
    Selectively balanced golf club heads and method of head selection 失效
    选择性平衡的高尔夫球杆头和头部选择方法

    公开(公告)号：US5755624A

    公开(公告)日：1998-05-26

    申请号：US580479

    申请日：1996-01-22

    Applicant: Richard C. Helmstetter

    Inventor： Richard C. Helmstetter

    IPC: A63B53/04

    CPC classification number: A63B53/04 ,  A63B53/0466 ,  A63B2053/0408 ,  A63B2053/0433 ,  A63B2053/0437 ,  A63B2053/045 ,  A63B2053/0458

    Abstract: A golf club head comprising a shell having toe and heel portions; a front wall defining a forward facing ball-striking face; and top and bottom walls, the bottom wall being metallic and having at least one local zone of relatively greater thickness, remaining extent of the bottom wall having thickness substantially less than the local zone of relatively greater thickness.

    Abstract translation: 一种高尔夫球杆头，包括具有趾部和跟部的壳体; 限定向前的击球面的前壁; 并且顶壁和底壁，底壁是金属的并且具有至少一个相对较大厚度的局部区域，底壁的剩余范围具有基本上小于相对较大厚度的局部区域的厚度。

    Multiple material golf club head
    120.
    发明授权
    Multiple material golf club head 有权
    多种材料高尔夫球杆头

    公开(公告)号：US07255654B2

    公开(公告)日：2007-08-14

    申请号：US11275945

    申请日：2006-02-06

    Applicant: James M. Murphy ,  Herbert Reyes ,  Peter L. Soracco ,  Matthew T. Cackett ,  J. Andrew Galloway ,  Richard C. Helmstetter ,  Augustin W. Rollinson ,  Alan Hocknell

    Inventor： James M. Murphy ,  Herbert Reyes ,  Peter L. Soracco ,  Matthew T. Cackett ,  J. Andrew Galloway ,  Richard C. Helmstetter ,  Augustin W. Rollinson ,  Alan Hocknell

    IPC: A63B53/04 ,  A63B53/06

    CPC classification number: A63B53/0466 ,  A63B53/02 ,  A63B53/04 ,  A63B60/00 ,  A63B2053/0408 ,  A63B2053/0412 ,  A63B2053/0416 ,  A63B2053/0433 ,  A63B2053/0437 ,  A63B2053/0441 ,  A63B2053/0458 ,  A63B2053/0462 ,  A63B2053/0491 ,  A63B2209/00 ,  A63B2209/023

    Abstract: A golf club (40) having a club head (42) with a face component (60) and an aft-body (61) is disclosed herein. The face component (60) has a striking plate portion (72) and a return portion (74). The aft-body (61) is composed of a crown portion (62), a sole portion (64) and optionally a ribbon section (90). The face component (60) is composed of a metal material, and the aft-body (61) is composed of a non-metal material such as a composite material or a thermoplastic material. The striking plate portion (72) preferably has an aspect ratio less than 1.7. The striking plate portion (72) preferably has concentric regions of thickness with the thickness portion in the center (102). The club head (42) has a volume in the range of 290 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion (72) surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head (42) has a coefficient of restitution greater than 0.81 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998–1999.

    Abstract translation: 本文公开了具有具有面部部件（60）和后部主体（61）的球杆头（42）的高尔夫球杆（40）。 面部部件（60）具有击打板部分（72）和返回部分（74）。 后体（61）由冠部（62），鞋底部（64）和可选地带状部（90）组成。 面部组件（60）由金属材料构成，后体（61）由非金属材料如复合材料或热塑性材料构成。 击打板部分（72）优选地具有小于1.7的纵横比。 撞击板部分（72）优选地具有厚度同心的区域，厚度部分在中心（102）中。 球杆头（42）具有在290立方厘米至600立方厘米范围内的体积，165克至300克的重量，以及在4.00平方英寸范围内的打击板部分（72）的表面积 至7.50平方英寸。 高尔夫球杆头（42）在测试条件下的恢复系数大于0.81，例如根据“1998 - 1999年高尔夫规则”第4-1e条附录II规定的USGA测试条件。

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