| 摘要 |
A torque applicator includes a house and a stem extending through a bore therein, the stem including teeth which are engageable with teeth disposed on a piston axially movable within the bore and positioned between an inner wall of the house and the stem. The piston is further engageable with an axially movable element which is positioned between the piston and the inner wall of the house, the axially movable element including teeth which are engageable with teeth disposed on the inner wall of the house. |
