FIELD: mechanics.
SUBSTANCE: proposed locking device comprises fixed member attached to one of the members to be coupled on the side of coupling assembly, movable member arranged to move relative to the said fixed part, space receiving aforesaid section and push-back mechanism. Aforesaid space is arranged inside said fixed and movable members. Fixed member represents internal sleeve while movable member makes external sleeve, both being concentric. Aforesaid push-back mechanism represents a helical spring which, in case said coupling assembly gets disintegrated, releases to move aforesaid movable member relative fixed member to lock aforesaid coupling assembly section in aforesaid space.
EFFECT: ruling out parts drop-out in coupling system disintegration.
13 cl, 7 dwg
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