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    • 63. 发明授权
    • Plastic wheel assembly for overhead conveyors
    • 大型输送机塑料轮组件
    • US3787925A
    • 1974-01-29
    • US3787925D
    • 1972-12-07
    • FEI INC
    • DAWSON C
    • A47H15/00B65G9/00F16C13/00
    • B65G9/002A47H15/00F16C13/006F16C2326/58Y10T16/384
    • The specification discloses a wheel assembly for attachment to an overhead conveyor bracket which includes a bolt having an outwardly conical head for being received at one end by the conveyor bracket. The assembly includes a ferrule comprising a cylindrical portion through which the bolt extends and an outwardly flared conical end portion for receiving the flared bolt head. A conveyor wheel having a generally cylindrical exterior and a central opening therethrough is dimensioned to receive the ferrule. The central opening through the wheel communicates with a conical portion for receiving the conical end portion of the ferrule. The conveyor wheel is constructed from a self-lubricating plastic having high abrasion resistance and a low coefficient of sliding friction. In the preferred embodiment, the wheel is comprised of an ultra-high molecular weight polymer having a coefficient of friction of about 0.11 and a specific gravity of about 0.945.
    • 本说明书公开了一种用于附接到架空输送机托架的轮组件,其包括具有向外锥形头部的螺栓,用于在一端由输送支架接收。 组件包括套圈,其包括螺栓延伸穿过的圆柱形部分和用于容纳扩口螺栓头的向外扩张的锥形端部。 具有大致圆柱形外部和穿过其的中心开口的传送轮的尺寸被设计成接纳套圈。 通过车轮的中心开口与用于容纳套圈锥形端部的锥形部分连通。 输送轮由具有高耐磨性和低摩擦系数的自润滑塑料构成。 在优选实施例中,车轮由具有约0.11摩擦系数和约0.945的比重的超高分子量聚合物组成。