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    • 6. 发明授权
    • Wheelchair travel restricting device and method
    • 轮椅行走限制装置及方法
    • US5271636A
    • 1993-12-21
    • US790759
    • 1991-11-12
    • Daniel P. MohrmanJerry W. Dell
    • Daniel P. MohrmanJerry W. Dell
    • A61G5/10B60R25/02B60R25/00
    • B60R25/021A61G5/10Y10T70/5841Y10T70/5845
    • A travel restricting device for use with a wheelchair of the type having a frame, a seat attached to the frame and wheels mounted for rotation on opposite sides of the frame. The device includes arms having longitudinally opposing outer ends, and hooks at the outer ends of the arms for engaging the wheels. The arms can be extended to move the hooks away from each other or retracted to move the hooks toward each other. A spring biasing the arms toward a retracted position secures the hooks in the wheels such that the device is supported by the wheels for movement with the wheels. The device as secured to the wheels engages the frame upon rotation of the wheels in a first direction for restricting travel of the wheelchair in the first direction and engages the surface supporting the wheelchair upon rotation of the wheels in a second direction for restricting travel of the wheelchair in a second direction.
    • 一种用于具有框架的轮椅的行驶限制装置,附接到框架的座椅和安装成用于在框架的相对侧上旋转的轮子。 该装置包括具有纵向相对的外端的臂和在臂的外端处的钩,用于接合车轮。 臂可以被延伸以使钩彼此远离或缩回以使钩朝向彼此移动。 将臂朝着缩回位置偏置的弹簧将钩固定在车轮中,使得该装置由车轮支撑以与车轮一起移动。 固定在车轮上的装置在车轮沿第一方向转动时接合框架,用于限制轮椅在第一方向上的行进,并且在轮子沿第二方向旋转时接合支撑轮椅的表面,以限制轮椅的行进 轮椅在第二个方向。