| 摘要 |
A controlled movement blocking system of a mobile element related to fluid servo-motor piston, particularly for drive systems with positioned active elements, characterized by the fact that on the piston rod of the servo-motor (1) at least one couple of blocking plates is freely set (2), and between them there is a limiter (6) forcing their parallelism and a push spring (4), whereas external surfaces of the blocking plates (2) are at one end supported on movable elements of unlocking servo-motors (5) whereas at the other end they are supported on fixed limiters (3) of their movement.<IMAGE>
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