MORTISE LOCK WITH CYLINDER MECHANISM Russian patent published in 2000 - IPC

FIELD: locking devices, applicable for locking of various objects of domestic and production purpose. SUBSTANCE: the lock has a cross-bar with teeth and a dog actuated by the locking member of the cylinder mechanism. The dog is based by its end necks between the annular extrusions of the lock body and cover and has a tooth. The dog tooth sides are positioned at different levels and engageable with the cross-bar teeth located on the levels corresponding to the dog tooth sides. The cross-bar is fixed in the extreme positions by the external cylindrical surface of the dog engageable with the lateral surfaces of one of the teeth of the cross-bar. EFFECT: enhanced stroke of cross-bar per revolution of key. 2 cl, 4 dwg