| 摘要 |
A vise includes: a vise body, a stationary vise jaw secured to the vise body, a movable vise jaw operatively moving in cooperation with the stationary vise jaw as driven by a screw, a pair of half nut portions formed on a pair of shear-like clamping handles which are operatively closed to form a combined nut engageable with the screw by a clutch, or opened to disengage the two half nut portions from the screw for fast movement of the movable vise jaw for quickly clamping a work piece between the movable jaw and the stationary jaw.
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