Folding hand truck
    2.
    发明授权
    Folding hand truck 有权
    折叠手推车

    公开(公告)号:US09358994B1

    公开(公告)日:2016-06-07

    申请号:US14621424

    申请日:2015-02-13

    CPC classification number: B62B1/12 B62B2205/20 B62B2205/33

    Abstract: A hand truck is provided with upper and lower frames; two hinges connecting the upper and lower frames; wheel assemblies connected to the lower frame; and a load support assembly connected to both the lower frame and the wheel assemblies to have an operative position extending forwardly of the lower frame. Each of the upper and lower frames includes two side rails each having two parallel frame members and a guide groove defined by the frame members. There are further provided an arcuate bar interconnected the hinges; and a lock assembly between the guide grooves of the side rails, the lock assembly including two opposite sliding members. The sliding member includes an insert section in the guide groove and having a first wing, a second wing opposite to the first wing, an extension extending out of the second wing, and a cavity.

    Abstract translation: 手推车设有上下框架; 两个铰链连接上下框架; 连接到下框架的轮组件; 以及连接到下框架和车轮组件的负载支撑组件,以具有向下框架向前延伸的操作位置。 上框架和下框架中的每一个包括两个侧轨,每个侧轨具有两个平行的框架构件和由框架构件限定的引导槽。 还提供了一个连接铰链的弧形杆; 以及在所述侧轨的引导槽之间的锁组件,所述锁组件包括两个相对的滑动构件。 滑动构件包括在引导槽中的插入部分,并且具有第一翼,与第一翼相对的第二翼,延伸出第二翼的延伸部和空腔。

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