| 摘要 |
The present invention provides a unit for increasing clamping force for a vice which holds an object on a machine tool in position and to a unit for adjusting clamping force directed from a movable jaw of the vice to a fixed jaw thereof. The unit. for increasing clamping force (P) comprises a first moving member (10), a holding member (20), a second moving member (30), a unit for increasing force (40) and a pair of connecting means (50). In addition, the unit for adjusting clamping force (C) comprises a coupling part (110), an interval maintaining part (120), a central axis (130), a first clutch (140), an adjusting knob (150), a second clutch (160) and a guide axis (170). <IMAGE>
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