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    • 34. 发明授权
    • Hollow, large, metallic, golf club head
    • 空心,大型,金属,高尔夫球杆头
    • US5460376A
    • 1995-10-24
    • US263970
    • 1994-06-19
    • Glenn SchmidtRichard C. Helmstetter
    • Glenn SchmidtRichard C. Helmstetter
    • A63B53/04
    • A63B53/04A63B53/0466A63B2053/0408A63B2053/0433A63B2053/0437A63B2053/045A63B2053/0454A63B2053/0458A63B2053/0462A63B2225/01
    • A golf club head comprising a shell having toe and heel portions, a rear wall, a front wall defining a ball-striking face, and top and bottom walls, the bottom wall characterized as having a medial ridge, and as forming two dished shallow recesses, one recess between the ridge and the heel portion, and the other recess between the ridge and the toe portion, the recesses spaced rearwardly from the front wall, the one recess having an arcuate peripheral edge generally convex toward the heel portion, and the other recess having an arcuate peripheral edge generally convex toward the toe portion, the recesses being located in substantially mirror imaged positions with respect to a forwardly extending vertical plane bisecting the ridge, the head, when viewed toward the bottom wall, presents a peripheral outline which, at the toe and rear of the head, has substantial spacing from the other dished shallow recess.
    • 一种高尔夫球杆头,包括具有趾部和后跟部分的壳体,后壁,限定击球面的前壁以及顶壁和底壁,底壁的特征在于具有中脊,并且形成两个凹陷的浅凹槽 在脊部和后跟部分之间的一个凹槽,以及脊部和趾部部分之间的另一个凹部,凹部与前壁向后间隔开,一个凹部具有大致朝向后跟部分凸出的弧形周边边缘,而另一个凹部 凹槽具有通常朝向脚趾部分凸出的弧形周边边缘,凹部相对于将脊平分的向前延伸的垂直平面位于基本上镜像的位置,当朝向底壁观察时,头部呈现周边轮廓, 在头部的趾部和后部,与其他凹陷的浅凹部具有相当的间隔。