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 of the arm is movably installed on the catch tsugulta lever axis, the other arm interacting with a ledge of tsugalta. Return spring is mounted on the shaft of the lever handle and pressed so that one and the other ends rest against the stop spring on opposite sides, and between the ends of the spring is arranged opposite end of lever handle and the second arm connected lever, wherein there is a ratchet drive.

EFFECT: proposed lock has high resistance to opening.

3 cl, 8 dwg