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    • 7. 发明授权
    • Tensioning control device
    • 张紧控制装置
    • US09505233B2
    • 2016-11-29
    • US14878509
    • 2015-10-08
    • Becton, Dickinson and Company
    • Scott William GislerPhilip C. McNeillKaushal Verma
    • B65H23/18B41J15/16B41J3/407B65C3/08B65C9/42
    • B65C3/16B41J3/4075B41J15/16B65C3/08B65C9/42B65C9/46B65H23/1806B65H2801/75
    • A tensioning control device having a first motor that applies a torque to a first end of a substrate in a first direction and a second motor that applies a torque to a second end of the substrate in a second direction that is generally opposite the first direction is disclosed. In this manner, the first motor and the second motor apply torque to the substrate in opposing directions, thereby placing the substrate in tension. In one embodiment, the first motor applies a torque to the first end of the substrate that is equal to the torque applied to the second end of the substrate by the second motor. By placing the substrate in tension in this manner, an actuator is able to incrementally move the substrate in a forward direction and a backward direction independent of the tension applied to the substrate.
    • 具有第一电动机的张紧控制装置具有向第一方向的基板的第一端施加扭矩的第一电动机和沿与第一方向大致相反的第二方向向基板的第二端施加转矩的第二电动机, 披露 以这种方式,第一电动机和第二电动机在相反方向上向基板施加扭矩,从而使基板处于张力。 在一个实施例中,第一电动机向基板的第一端施加扭矩,其等于由第二电动机施加到基板的第二端的扭矩。 通过以这种方式将基片放置在张力中,致动器能够在施加到基底上的张力独立于向前方向和向后方向上递增地移动基底。