| 摘要 |
PURPOSE: A wrench having a moving jaw is provided to make a wrench used even without a process for separating a pipe by putting the wrench from the side of a workpiece. CONSTITUTION: A body comprises an upper end(2) having an open head(3) and a lower end(12) having an open head(13). A moving jaw unit(20) embedded in the body has a sharp drive piece(25) of which width narrows gradually and a jaw(21) having a combining recess(23) formed on an inner face(22). A pressurizing unit(30) installed adjacent to the moving jaw unit has inclined faces(32) corresponding to both sides of the drive piece, a pair of drive arms(31), and an elastic support unit(33) elastically supporting the drive arms.
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