FIELD: construction.
SUBSTANCE: invention is related to devices for locking of passenger transport doors and may be used for blocking of doors opening. Device comprises latch hingedly installed on wall of door opening in the form of grip with slot for location of shutter fixing element and locking cam for ratchet engagement with latch. Latch is installed with the possibility of displacement by drive and is spring-loaded with the possibility of return into open position. Drive is equipped with transmission element, on which driving cam is installed for engagement with latch and its displacement from position of half-blocking into blocking position with further disengagement with latch. Device is equipped with unblocking lever for simultaneous disengagement of cams with latch and is suitable for use with electric motor.
EFFECT: invention makes it possible to develop compact structure with high forces of shutter pressing in process of closing and its fast release in process of door opening.
7 dwg, 7 cl
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