MORTISE LOCK WITH REMOVABLE CYLINDER MECHANISM Russian patent published in 2014 - IPC E05B25/00 

FIELD: construction.

SUBSTANCE: mortise lock with a removable cylinder mechanism comprises a housing, a catch, a spring-loaded strip fixed on the housing, having the ability to move in the vertical direction, locking the catch rigidly in the open or closed position, and the cylinder mechanism installed in the respective opening on the housing. A support, the end of which in the form of a protrusion is located in front of the lever end of the closed cylinder mechanism is made additionally on the bottom part of the spring-loaded strip fixing the catch.

EFFECT: structure improvement.