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    • 3. 发明授权
    • Slidable golf practice device
    • 可滑动的高尔夫练习装置
    • US4387896A
    • 1983-06-14
    • US285585
    • 1981-07-21
    • John P. O'Brien
    • John P. O'Brien
    • A63B69/36
    • A63B69/3661
    • A synthetic grass hitting surface is slidably positioned within a rectangular frame and is supported by a static surface. The sides of the frame and the static surface form slots. Sideward extensions of the base of the hitting surface are snuggly fitted into the slots. The hitting surface is adapted to slide horizontally on the static surface when a golf ball is struck from the hitting surface, but the snug fit of the side extensions of the hitting surface in the slots and the drag of the hitting surface over the static surface causes resistance to displacement of the hitting surface.
    • 合成草地表面可滑动地定位在矩形框架内并由静态表面支撑。 框架的侧面和静态表面形成槽。 撞击表面的底部的侧向延伸部分紧贴在槽中。 当高尔夫球从撞击表面撞击时,撞击表面适于在静态表面上水平滑动,但是在槽中的击球面的侧延伸部的紧密配合以及击球表面在静态表面上的拖动导致 抵抗击打面的位移。
    • 9. 发明授权
    • Golf training device
    • 高尔夫训练装置
    • US4081918A
    • 1978-04-04
    • US735761
    • 1976-10-26
    • John P. O'Brien
    • John P. O'Brien
    • A63B69/36A43C15/00
    • A63B69/3673
    • A wedge - shaped device for golfers includes an inwardly inclined surface against which the golfer in effect pushes with his rear foot during the execution of a club swing. At the lower and upper edges of the inclined surface upward extensions are provided, between which the golfer's rearwardly positioned shoe is located. A screw threaded plunger element is provided in the upper extension to compress the lower portion of the shoe between the upper and lower extensions, and thus clamp the device to the golfer's shoe.
    • 用于高尔夫球手的楔形装置包括向内倾斜的表面,高尔夫球手在执行球杆摆动时实际上与其后脚推动。 在倾斜表面的下边缘和上边缘处提供向上延伸部分,高尔夫球手的后方定位的鞋子位于其之间。 螺纹柱塞元件设置在上部延伸部分中,以压缩上部和下部延伸部之间的鞋的下部,从而将该装置夹紧到高尔夫球鞋上。