| 摘要 |
<p>The knocking-out device has a first compression cavity (27) with a compressed air connection, and a second compression cavity between the cover (15) and the striker piston (9) in a cylindrical tube (2). The cover contains at least one aperture (19), through which compressed air is supplied to the second compression chamber, with the aperture sealed by the piston in its end position.</p> |
