| 摘要 |
A torque-indicating wrench includes a handle, a strain gauge, a lever, a head and a driving mechanism. The strain gauge is placed in the handle. The lever including a first end inserted in and pivotally connected to the handle and abutted against the strain gauge and a second end placed out of the handle. The head includes a tubular portion non-pivotally placed around and on the handle. The driving mechanism includes a bit-rotating element pivotally placed in the head and formed with a crank pivotally connected to the second end of the lever. |
