DOOR LOCK Russian patent published in 2024 - IPC E05C1/04 

FIELD: locking devices.

SUBSTANCE: invention relates to locking devices intended for internal opening doors, preferably used in structures of service rooms of cars. Door lock comprises rotary bar, brackets for interaction with bar, handle. Brackets are located at a distance from each other and are made with through holes, in which a rotary bar is installed with the possibility of its longitudinal movement. One bracket is rigidly fixed on the door opening post, and two brackets are rigidly fixed on the door surface, the rotary bar and brackets are located on the inner side of the door. In the door between brackets fixed on the door surface there is a guide cutout containing horizontal and vertical sections connected into a single cutout. Horizontal section of the cutout is directed to the side opposite to the bracket fixed on the door opening post. In the cutout there is a handle, one end of which is located inside the room and is rigidly connected to the rod on the section between two brackets fixed on the surface of the door, and the other end of the handle is located outside the room. Handle is made with the possibility of movement along the guide cutout, the length of the cutout horizontal section is not less than the rod stroke required for its disengagement with the bracket fixed on the door opening post. On the outer surface of the door there are two lugs with through holes arranged opposite each other, the outer end of the handle is provided with a mating lug located between the first two lugs. Locking-sealing device is installed in through holes of lugs.

EFFECT: providing external control of the lock for the internal opening door while maintaining its simplicity and reliability, in protection against unauthorized access.

8 cl, 5 dwg