| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a torque wrench capable of certainly locking an extention lever to a torque wrench body portion with simple operation.SOLUTION: A torque wrench is equipped with a torque wrench body portion 10 which has a head portion, an extension lever 30 detachably connected to the torque wrench body portion 10, and a lock device 80 for locking the extension lever 30 to a lever portion 11 of the wrench body portion by insertion-fitting. The lock device 80 has a lock button 82 capable of moving between a recessed position recessed into a lock button hole 113 formed on a peripheral wall of the lever portion 11 and a projecting portion energized by a spring so as to project outward, abd a lock button engaging hole 34 formed at a position overlapping with the lock button 82 while the extension lever 30 is insertion-fitted with a predetermined position of the lever portion 11. The lock button 82 is fitted in the lock button hole 34 at the projecting position.</p> |
