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    • 27. 发明授权
    • Bi-directional belt tensioner
    • 双向皮带张紧器
    • US07837582B2
    • 2010-11-23
    • US10632703
    • 2003-08-01
    • Gary SmithWilliam McCotterThomas HughesCarl Cura
    • Gary SmithWilliam McCotterThomas HughesCarl Cura
    • F16H7/12
    • F16H7/1281F16H2007/081
    • An assembly for maintaining tension in a drive belt features a housing mounted on a base. The housing contains a biasing element that exerts torque on the housing to bias the housing in a radial direction. A lever arm is connected to the housing and rotates with the housing in response to the bias of the biasing element. A pulley is connected to the lever arm and engages a drive belt in response to the bias force of the biasing element on the lever arm. The pulley deflects the shape of the belt to provide tension in the belt. In one embodiment, the apparatus allows the user to switch the position of the biasing element and alter the direction of torque on the lever arm. In another embodiment, the lever arm and pulley are removable from the housing and replaceable with other arms and pulleys having different configurations.
    • 用于维持传动带中的张力的组件具有安装在基座上的壳体。 壳体包含偏置元件,该偏压元件在壳体上施加扭矩以沿径向偏置壳体。 杆臂连接到壳体并响应于偏置元件的偏压而与壳体一起旋转。 滑轮连接到杠杆臂并响应于杠杆臂上的偏置元件的偏压力而啮合驱动带。 皮带轮使皮带的形状偏转以在皮带中提供张力。 在一个实施例中,该装置允许用户切换偏置元件的位置并改变杠杆臂上的扭矩方向。 在另一个实施例中,杠杆臂和滑轮可从壳体移除,并可与具有不同构造的其它臂和滑轮相替换。