Rapid jaw adjustment for tools and the like

摘要

A hand tool which comprises a fixed handle with a fixed jaw on the front portion and a movable jaw pivotally connected to the front portion of the fixed handle. A movable handle is connected to the movable jaw. An adjusting mechanism is provided for adjusting the position of the movable jaw relative to the fixed jaw and consists of a threaded opening in the rear of the fixed handle and a screw member received within the opening. The screw member has a plurality of multiple first individual threads with the same diameter and pitch that mate with the threaded opening in the fixed handle.