LOCK Russian patent published in 2014 - IPC E05B27/10 B60R25/02 

FIELD: construction.

SUBSTANCE: lock is equipped with a key for unlocking and comprises a body, a drum and a grip. In the body there are holes along the circumference along the axis with pins installed in them. The drum is installed in the body as capable of rotation around its axis. The grip is rigidly installed in the body. In the grip and the drum there are cuts arranged for a shaft, each pin comprises at least three parts: the front cylindrical part, interacting with the key, the middle part and the last part. On the lock body there is a cover with a button that freely moves along the axis of the body. In the cover and in the body there is a slot for inserting the key and its interaction with the button. The middle and last parts of the pins are made of external and internal cylinders entering each other. The internal cylinder of the middle part of the pins is made as capable of fixed length variation, the internal cylinder of the last part of pins is made as stepped. The diameter of the internal cylinder of the middle part of pins is less than the interacting with it diameter of the internal cylinder of the last part of the pins, the length of the step of the internal cylinder of the last part of pins is equal to the length of the external cylinder of the last part of pins, between external cylinders of the middle part of pins and front pins there are springs, and stepped internal cylinders of the last part of pins are spring-loaded.

EFFECT: increased security properties of a lock and its reliable operation.

6 dwg