DOOR BOLT WITH HANDLE-BUTTON Russian patent published in 2007 - IPC E05C1/08 

FIELD: construction of buildings, in particular, locking devices, applicable for locking mainly of doors of domestic rooms, for example, toilet rooms from the inside.

SUBSTANCE: the door bolt with a handle-button has a plated box-shaped body and a locking ship with their fasteners on the door, stepped catch of a rectangular profile that is spring-loaded relative to the front wall of the body for locking by means of a pressure key positioned in the rear wall of the body, a handle with a stepped hole, a bush with a shoulder is placed in this hole by means of which the handle is fastened on the body with the aid of a nut of a thickness equal to the distance from the catch to the body, and a rod is placed inside the bush, the rod carries a spring with a stop at the bush shoulder and a nut screwed on the rod end and forming a pressure button for unlocking together with a coupling cap, a lock striker with a cylindrical stepped surface is made on the other end of the rod. A trough slot is made in the catch for motion of the neck of the lock striker in it by the value of displacement of the catch into the locking strip with the aid of the pressure key up to the fixing of the catch in the locked position by shifting the adjacent cylindrical step of the lock striker in the hole with a stop in the pivot made on the end of the lock striker. The pivot has a threaded hole, in which the additional rod with a cut is fastened, this rod penetrates through the door and is closed by the second handle fastened on the opposite side of the door and screwed on the thread of the bush installed in the door hole. A blind slot is made in the catch on the side of the pivot on the length of the through slot.

EFFECT: expanded operating potentialities.

6 cl, 2 dwg