DOOR LOCK Russian patent published in 2024 - IPC E05B15/10 E05B25/00 E05B55/00 E05B59/00 

FIELD: door locks.

SUBSTANCE: invention relates to the field of door locks technology, in particular to the door lock. Door lock comprises a locking crossbar and latch. Both the latch and the locking crossbar can move between the unlocking position and the locking position. Door lock additionally contains lock cylinder arranged with possibility of rotation in unlocking direction and locking direction, at that unlocking direction is opposite to locking direction. Door lock additionally comprises a cylinder mechanism assembly aligned with the lock cylinder. Cylinder mechanism assembly comprises a drive gear plate and a first transfer part, the drive gear plate is in transfer connection with a locking bolt, first transfer part is in transfer connection with the latch, and the lock cylinder is made with possibility of driving the drive gear plate and the first transfer part into rotation. When the lock cylinder rotates in the unlocking direction, the drive toothed plate and the first transfer part are able to drive the locking bolt and the latch respectively to return to the unlocking position. When the lock cylinder rotates in the locking direction, the drive gear plate is able to drive the locking bolt to return to the initial locking position, and the first transfer part and the latch are disengaged. Door lock further comprises a second transmission component, wherein the drive toothed plate is connected to the locking bolt by means of the second transmission component, the second transmission component comprises a driven toothed plate and a support plate, the driven toothed plate is rotatably positioned, support plate is rigidly connected to the locking crossbar and is arranged with possibility of sliding, the driven toothed plate forms a transmission due to engagement with the driving gear plate, and the driven gear plate is capable of rotating to actuate the supporting plate in motion for sliding.

EFFECT: increased efficiency of door lock operation.

9 cl, 9 dwg