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    • 52. 发明授权
    • Exercise treadmill with rearwardly placed incline mechanism
    • 具有向后倾斜机构的运动跑步机
    • US5518471A
    • 1996-05-21
    • US383212
    • 1995-02-02
    • Ronald K. HettingerTero M. Piispanen
    • Ronald K. HettingerTero M. Piispanen
    • A63B22/02
    • A63B22/0023
    • Exercise treadmills with stationary, forwardly placed supporting surface engaging foot means of fixed form and with rearwardly placed supporting surface engaging support means which are movable relative to the frame of the treadmill to change the angular relation of the frame and the treadmill tread belt relative to the supporting surface. The change in incline of the treadmill tread belt is by either electrical power means involving an extensible jack mechanism or by manually operable means including a gas cylinder with an extensible piston rod movable by gas flow within the cylinder which is in turn controlled by manually operable valve means. When gas can flow within the cylinder, change in incline of the treadmill tread belt is accomplished by the treadmill user moving relatively forwardly or rearwardly on the treadmill belt.
    • 具有固定的,向前放置的支撑表面的运动跑步机,其接合具有固定形式的脚部装置,并且具有向后放置的支撑表面接合支撑装置,其可相对于跑步机的框架移动,以改变框架和踏板踏板相对于跑步机的角度关系 支撑面。 跑步机踏带的倾斜度的变化是通过涉及可伸缩千斤顶机构的电力装置或通过手动可操作的装置来实现的,所述手动操作装置包括具有可移动活塞杆的气瓶,该活塞杆可通过气缸内的气流移动, 手段。 当气体在气缸内流动时,踏步机踏面带的倾斜变化是通过在跑步机带上相对向前或向后移动的跑步机用户实现的。