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    • 4. 发明授权
    • Multiple set block lifting device
    • 多组块提升装置
    • US06736586B2
    • 2004-05-18
    • US10289755
    • 2002-11-07
    • Loren HarrisDavid HarrisBrett Harris
    • Loren HarrisDavid HarrisBrett Harris
    • B65G5902
    • B66C1/54E04G21/16
    • A multiple block lifting device that includes two support arms pivotally connected at the opposite ends enabling the support arms to move from a closed, parallel configuration to an open, linear configuration. Attached to each arm is at least one block attachment unit that selectively connects to one block. In the preferred embodiment, the movement of the support arms and each block attachment unit is controlled by hydraulic cylinders and a main control valve. When paired blocks are aligned on a pallet, the device is in a closed, parallel configuration, and each block lifting unit engages a block. The device is then lifted and the support arms are aligned in the open, linear configuration. Each arm may include an optional extension arm that enables the device to lift additional blocks.
    • 一种多块提升装置,其包括在相对端处可枢转地连接的两个支撑臂,使得支撑臂能够从闭合的并联结构移动到开放的线性构造。 连接到每个臂是至少一个块连接单元,其选择性地连接到一个块。 在优选实施例中,支撑臂和每个块附接单元的移动由液压缸和主控制阀控制。 当成对的块在托盘上对齐时,设备处于闭合的并联结构,并且每个块提升单元接合块。 然后将装置提起并且支撑臂以开放的线性配置对准。 每个臂可以包括可选的扩展臂,使得该装置能够提升附加的块。