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    • 3. 发明授权
    • Practice putter
    • 练习推杆
    • US06402638B1
    • 2002-06-11
    • US09433171
    • 1999-11-03
    • Donald J. Kelley
    • Donald J. Kelley
    • A63B5304
    • A63B53/0487A63B69/3685A63B2053/0408A63B2053/0441
    • A practice putter head includes a substantially flat centrally located sweet spot, and a pair of surfaces that will deflect the golf ball when various flaws occur in a putter's stroke. In one embodiment, the putter head has a putting surface that includes a centrally located sweet spot, a proximal end, and an opposing distal end. A distal claw defines an inner distal claw surface that extends forward from the distal end of the putting surface and extends proximally, and a proximal claw defines an inner proximal claw surface that extends forward from the proximal end of the putting surface and extends distally. The putter head may also include a distal surface inclining from the distal edge of the sweet spot and a proximal surface inclining from the proximal edge of the sweet spot.
    • 实践推杆头包括基本上平坦的中心位置的甜点,以及当在推杆行程中发生各种缺陷时将使高尔夫球偏转的一对表面。 在一个实施例中,推杆头具有包括位于中心的甜点,近端和相对的远端的放置表面。 远侧爪限定内部远侧爪表面,其从放置表面的远端向前延伸并且向近侧延伸,并且近侧爪限定从放置表面的近端向前延伸的向内的近侧爪表面,并且向远侧延伸。 推杆头还可以包括从甜点的远端边缘倾斜的远端表面和从该甜点的近侧边缘倾斜的近端表面。