| 摘要 |
<p>A pneumatic pulse generator is connected to a transfer member and comprises bellows (9) installed between a fixed base (2) and a plate (6) actuated by an actuating member so s to flatten the bellows between the base and the plate. The transfer member comprises a hollow guide (15) in communication with the bellows. The guide is closed by a piston (16) sliding under the effect of a pneumatic pulse against the force of a return spring (8).</p> |
