| 摘要 |
<p>In a pneumatic impact wrench there is an output shaft (5) that is connectable in a removable manner to a screw coupling member; a torque sensor of magnetic type, which detects a torque of the shaft, comprises a coil (12,12a,12b) wound around a portion (9) of the shaft that protrudes a housing (2) of the wrench.</p> |
