| 摘要 |
A vise having a frame on which a stationary jaw is mounted, a sliding carriage mounted in said frame in a manner for movement of a movable jaw on the carriage to move toward and away from the stationary jaw, such free sliding being accomplished by an operator simply pushing the movable jaw toward the stationary jaw by hand quickly, pushing and pulling wedges which are adapted to lock themselves in a position in the frame at times when a lever is operated, following engagement of the jaws with the workpiece, further movement of the lever causing the jaws to be pressed together and rotation of the lever in an opposite direction causing the jaws to pull apart and the wedges to unlock themselves from the frame.
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