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    • 5. 发明授权
    • Device for attaching to a vehicle to form a fork lift
    • 用于连接到车辆以形成叉车的装置
    • US5951236A
    • 1999-09-14
    • US020918
    • 1998-02-09
    • Michael J. Thompson
    • Michael J. Thompson
    • B66D1/00B66F9/06
    • B66D1/00B66F9/06
    • A winch and rail assembly support structure is adapted to mount to a front of a vehicle. A winch is supported by the winch and rail assembly support structure. A rail assembly is configured to removably connect to the winch and rail assembly support structure. The rail assembly comprises two opposing elongated rails, each elongated rail comprising two opposing tracks, and a pulley supported at a distal end of the rails. A fork assembly comprises an elongated fork support arm configured to span between the rails, a pair of forks configured to connect to the fork support arm, and a plurality of roller wheels connected to the elongated fork support arm. A first pair of the roller wheels is configured to ride within the two opposing tracks of a first one of the rails, and a second pair of the roller wheels is configured to ride within the two opposing tracks of a second one of the rails. A flexible elongated member is configured to extend from the winch, over the pulley, and from the pulley to the fork support arm. The fork support arm is configured to connect to the flexible elongated member. When the winch is operated in a first direction, the flexible elongated member pulls the fork assembly upward along the rails, and when the winch is operated in a second direction, the fork assembly is lowered along the rails.
    • 绞车和导轨组件支撑结构适于安装到车辆前部。 绞车由绞车和导轨组装支撑结构支撑。 导轨组件构造成可移除地连接到绞盘和导轨组件支撑结构。 轨道组件包括两个相对的细长轨道,每个细长轨道包括两个相对的轨道,以及支撑在轨道远端的滑轮。 叉组件包括细长叉支撑臂,其构造成跨越轨道,一对构造成连接到叉支撑臂的叉和连接到细长叉支撑臂的多个滚轮。 第一对滚轮被构造成骑在第一轨道的两个相对的轨道内,并且第二对滚轮被构造成骑在轨道中的第二轨道的两个相对轨道内。 柔性细长构件构造成从绞盘,皮带轮以及从滑轮延伸到叉支撑臂。 叉支撑臂构造成连接到柔性细长构件。 当绞盘沿第一方向操作时,柔性细长构件沿着轨道向上拉动叉组件,并且当绞盘沿第二方向操作时,叉组件沿着轨道下降。