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    • 5. 发明授权
    • Method and apparatus for controlling tension with a lock mechanism
    • 用锁定机构控制张力的方法和装置
    • US4997120A
    • 1991-03-05
    • US416751
    • 1989-10-03
    • Hiroaki TanakaKiyohito Suzuki
    • Hiroaki TanakaKiyohito Suzuki
    • G11B5/84B65H23/188B65H23/192
    • B65H23/192B65H23/1888B65H2511/112B65H2513/10
    • The tension on a tape web is controlled with a lock mechanism in an apparatus wherein a first dancer device, a pair of engaging-disengaging rolls, a second dancer device, and a pair of nip rolls are located in this order from the upstream side to the downstream side in the direction along which the tape web moves. The speed at which the engaging-disengaging rolls rotate is adjusted on the basis of the vertical position of a dancer roll of the first dancer device, and the speed at which the nip rolls rotate is adjusted on the basis of the vertical position of a dancer roll of the second dancer device, whereby the tension on the tape web is adjusted. A method for controlling the tension with a lock mechanism comprises the steps of locking the position of the dancer roll of the first dancer device at a predetermined position when the engaging-disengaging rolls disengage from each other, and releasing the dancer roll of the first dancer device from its locked position when the engaging-disengaging rolls engage with each other.
    • 带状幅材上的张力通过一种装置中的锁定机构来控制,其中第一浮动装置,一对接合分离辊,第二浮动装置和一对压辊位于从上游侧到 沿着带子移动的方向的下游侧。 基于第一浮动装置的浮动辊的垂直位置来调整接合分离辊旋转的速度,并且基于舞者的垂直位置来调整压辊旋转的速度 从而调节带幅上的张力。 一种利用锁定机构控制张力的方法包括以下步骤:当接合脱离辊彼此脱开时将第一浮动片装置的浮动卷轴的位置锁定在预定位置,并释放第一舞者的浮动卷 装置从接合脱离辊彼此接合时的锁定位置。