| 摘要 |
The present invention creates a pressure locking device having a control surface element (13) which is constructed with a cardioid (heart-shaped) control surface groove (2) and having a pin (4) which extends away from the stationary side and has a free end (4a) which engages with the control surface groove (2) in order to produce a reciprocating movement of the control surface element (13) and in order to fix the pin (4) in a predetermined position, the present invention being distinguished by the fact that a retaining device is provided which is designed for the purpose of holding an operating rod region (4b) of the pin (4) on an inlet/outlet opening (2a) of the control surface groove (2) in such a manner that the operating rod region (4b) does not come out of the inlet/outlet opening (2a) when the free end (4a) of the pin (4) is moved out of the control surface groove (2). <IMAGE>
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