INTERNAL OPENING 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 for internal opening comprises located on the inside of the door: rotary bar, fixed brackets for interaction with rotary bar, handle, and retainer arranged on door leaf. Rotary bar is located horizontally, the fixed brackets are located at a distance from each other and are made with through holes, in which the rotary bar is installed with the possibility of longitudinal movement. One bracket is rigidly fixed on an element fixed relative to the door leaf, which is located near the door leaf, and two brackets are rigidly connected to the surface of the door leaf. Retainer is made in the form of an L-shaped cutout in the door leaf between the brackets fixed on the door leaf, one section of the L-shaped cutout is directed vertically, and the other one – horizontally. Horizontal section of the L-shaped cutout is directed to the side opposite to the bracket fixed on the element fixed relative to the door leaf, on the section between two brackets fixed on the door leaf. Rotary bar is rigidly connected to the end of the Z-shaped handle, the other end of the handle is located outside the door leaf, and the middle section of the handle is located in the L-shaped cutout. Length of the horizontal section of the L-shaped cutout is not less than the stroke of the rotary bar, which is required for its disengagement with the bracket fixed on the element fixed relative to the door leaf.

EFFECT: providing external control of the lock for the internal opening door while maintaining its simplicity and reliability.

8 cl, 5 dwg