LOCK Russian patent published in 2016 - IPC E05B63/00 

FIELD: construction.

SUBSTANCE: invention relates to ironware and concerns lock used in any doors - metal doors, wood, right or left, etc., which allows to operate in mode of the latch and lock and providing function of the extension bar only by turning the handle. In the case of lock are installed mechanism of confidentiality for key, interacting with tsugalta and bar lock, spring-loaded lever handle, which one end interacts with latch, catch lever mounted with possibility of rotation and contacting with the latch. Lever handle is equipped with cam of the latch lever and has the possibility of rotation as clockwise, and against the axis fixed in the housing. There is a plug lever arranged with possibility to turn about axis of the handle, having the opportunity to interact with one of its arm to catch lever and with the second arm with return spring, at the third arm there is a ratchet axis on which is installed a ratchet with opportunity to turn, and the fourth arm of its edge interacts with one arm is movably installed on the catch tsugalta lever axis, the other arm interacting with ledge os tsugalta, wherein the ratchet is equipped with hook interacting with clamp lever handle, ratchet slot in which is located a pusher, pusher with one end is mounted to housing and the other end interacts with worm, coaxially fixed to the motor shaft supported on the lock body.

EFFECT: proposed lock has high resistance to opening.

3 cl, 8 dwg