发明名称 WRIST EXERCISER DEVICE
摘要 An improved wrist exerciser device with a pair of pivotally mounted hand grips which are rigidly held together along a unitary axis. Each hand of a user alternately squeezes a hand grip against a shaft which automatically repositions the other hand grip outward from the shaft for the user subsequently to squeeze with his other hand. The device can be readily adjusted with respect to the resistance necessary to squeeze the hand grips and includes the aforementioned hand grips, a connector which secures the device to a shaft extending therethrough in the same plane as the hand grips, and a tightening mechanism, including a first and second plate, the latter bearing a resistance indicator dial, friction imparting disc, and pivot mounting.
申请公布号 US3653659(A) 申请公布日期 1972.04.04
申请号 USD3653659 申请日期 1970.08.20
申请人 WHITTAKER CORP. 发明人 HAROLD ZINKIN
分类号 A63B23/035;A63B23/16;(IPC1-7):A63B21/30 主分类号 A63B23/035
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