LOCK Russian patent published in 2008 - IPC E05B11/02 

FIELD: building.

SUBSTANCE: invention refers to locking devices. The rabbeted or plain lock contains a case with an outlet a bar lock, located in the case to move horizontally a mechanism moving a bar lock by means of a key, a strike plate divided by a parting wall and having two inlets. The bar lock includes the top element and the bottom element, mated among themselves in the middle part. The top element is executed so as to move horizontally by means of the grooves interacting with guide rods fixed on an internal side face of the case; the bottom element is executed so that to move horizontally together with the top element and turn relative to the latter using pivotal axis in a vertical plane. The gear for moving the bar lock includes a key having a driven ledge on a lateral cylindrical surface interacting with a recess executed on an inside face of the top element and a lock flute with a profiled surface including rectilinear and curvilinear sections.

EFFECT: possibility of fixing a key in the lock when the door is opened.

10 dwg