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    • 27. 发明授权
    • Volleyball practice system
    • 排球练习系统
    • US4948150A
    • 1990-08-14
    • US378586
    • 1989-07-11
    • Richard E. Daly, Jr.Richard Holland
    • Richard E. Daly, Jr.Richard Holland
    • A63B61/00A63B69/00
    • A63B69/0079A63B61/006A63B69/0095
    • A device for the practice of the running-jumping-striking volleyball maneuver known as spiking including an elevated volleyball tethered below an essentially horizontal backstop by a flexible funicular rod. The backstop and flexible funicular rod serve rapidly to damp the kinetic energy imparted by spiking. The flexible funicular rod may also serve to impart a realistic feel to the person using the device to practice spiking. Elevated support for the volleyball is provided by an adjustable arm clamped to a volleyball net's end post or, alternatively, by an arm detachably mounted to the hoop of a basketball net. The device may be assembled, erected, and used by one person.
    • 用于练习跳跃式打击式排球机动的装置,称为飙升,包括通过柔性缆索杆系在一个基本上水平的支撑杆下方的升高的排球。 逆止器和柔性索具杆迅速地用于减轻由尖峰引起的动能。 柔性缆索杆还可以用于使用该装置来练习尖峰的人赋予逼真的感觉。 用于排球的高架支撑由夹紧到排球网的端柱的可调臂提供,或者由可拆卸地安装到篮球网的环上的臂提供。 该装置可以由一个人组装,竖立和使用。