CYLINDER LOCK Russian patent published in 2013 - IPC E05B35/04 

FIELD: construction.

SUBSTANCE: invention relates to locking devices with higher secrecy, in particular, to locking mechanisms of cylinder locks, which may be used in different designs of locks for doors, safes, vehicles. etc., comprising a body, a cylinder mechanism made of a cylinder and holes with spring-loaded pins, a crossbar drive. Pins are made as solid, on each one there is a code bore and separately arranged bores with a small pitch, determined by a pitch of quantisation of code combinations of a key, and a device is introduced to memorise the key code without the possibility to change any element of the code, comprising pins, having bores with a small pitch, a fixator of the key code with a ledge, the fixator ledge of the key code interacts with the ledge of the first figured circular slot on the cylinder as the key is inserted into the cylinder slot, between bores of the code matching fixator there is a thorn, the cross section shape of which corresponds to the shape of the circular code bore on the lock pin.

EFFECT: higher criminalistic resistance of a cylinder lock as a result of elimination of the possibility of locks opening by skeleton keys.

1 dwg