| 摘要 |
<p>A rod member (16) has an integral head (44) which has a passageway for operating fluid, and cooperating with a piston (14) for axial movement, with the head held tight against the cylinder chamber of the body (12). The rod member also has a shaft (43) extending axially in the body, with a clip (60) mechanically locking the shaft in a retracted position inside the body.</p> |
