| 摘要 |
<p>A torque tool for tightening and loosening a threaded connector having at least first (13) and second (14) threaded parts turnably connected with one another, comprises a power unit (2), a first engaging unit (4) arranged to engage first part (13) of a threaded connector, a second engaging unit arranged to engage the second part (14) of a threaded connector, the engaging units being formed so that when power is applied by the power unit, one of the engaging unit turns one part of a threaded connector, while the other of the engaging units cooperates with the other part of a threaded connector, thus permitting tightening or loosening a threaded connector</p> |
