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    • 6. 发明授权
    • Vertically movable table
    • 垂直移动台
    • US5467721A
    • 1995-11-21
    • US61371
    • 1993-05-14
    • Richard H. Gosch
    • Richard H. Gosch
    • A47B9/06A47B9/00
    • A47B9/06
    • A table surface (11) adjusts in set increments to a variety of vertical positions. The table surface (11) moves only in a vertical direction, as determined through use of a vertical guide (16) that traverses a vertical tract (15). A tooth (35) and pawl (40) assembly controls the vertical disposition of the assembly such that the table surface (11) is incrementally raised to different vertical positions of choice. Once the table surface (11) has been raised to its uppermost limit, the pawl (40) becomes locked in a non-tooth engaging position, thereby allowing the table surface (11) to be lowered to its lower most position. When so lowered, the pawl (40) is released from its non-engaging position, such that the pawl (40) again engages the teeth (35) to allow the table surface (11) to be incrementally raised as before.
    • 台面(11)以设定的增量调整到各种垂直位置。 桌面(11)仅通过使用穿过垂直管道(15)的垂直导向件(16)确定的垂直方向移动。 齿(35)和棘爪(40)组件控制组件的垂直布置,使得台面(11)逐渐升高到不同的垂直位置。 一旦台面(11)升至最高限度,棘爪(40)将被锁定在非齿啮合位置,从而允许台面(11)降到最低位置。 当这样降低时,棘爪(40)从其非接合位置释放,使得棘爪(40)再次接合齿(35),以允许台面(11)如前所述地逐渐升高。