LOCKING MECHANISM Russian patent published in 2009 - IPC E05B17/02 E05B65/04 E05C7/02 

FIELD: construction.

SUBSTANCE: invention relates to ironware production and deals with the mechanism consisting of two stand-alone mechanisms (screw-nut type). This mechanism ensures room locking by means of screwing device. The locking mechanism for door-closed rooms opening outwards consists of two subunits. The first one is fastened to the door, whereas the other one is fixed to the support having rigid connection with room after door is closed. The unit fastened to the door consists of a security key mechanism, with rotating part ending with the screw. The nut capable of rotating with regard to axis and handle intended for the above nut rotating and fixing in definite position are installed on the unit fixed to the support. Thus, the room can be locked and unlocked from the inside. The following supports are used as supports such as the second door opening inwards or swing gate going down when room is locked and lifting up when door is opened to make free access to the room.

EFFECT: production of screw mechanism for room locking which is inaccessible for sawing.

4 cl, 3 dwg