[Configuration];In the tension drive device for the vise, the adjustment sleeve 14 under the action of the second spring 13 is installed, and the connection sleeve 10 and the adjustment sleeve 14 point to the inclined surfaces 15 and 16. Spring, the adjustment sleeve 14 being disposed above the rotary spindle 5 in a non-rotatable but selectable angular position, the second spring 13 being greater than the spring force of the first spring 9 With force, the adjustment sleeve 14 is pressed against the stopper 17 on the rotary spindle 5.;[effect];The inclined surface changes the effective length of both sleeves and the twisting of the rotating spindles causes the connecting members between the connecting sleeves and the spindles to contact each other to suppress rotation of the rotating spindles.
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