LOCK WITH OPEN STATE INDICATION Russian patent published in 1996 - IPC

FIELD: indication of open state of car doors. SUBSTANCE: lock with open state indication has a case with fork-type rotary bolt and a ledge, open state indication switch, and intermediate spring member placed inside. Intermediate spring member is made in the form of a plate. The first end of the plate forms a ring and is rigidly fastened to lock case or switch, and is inclined to plate surface at an angle close to right. The second end of the plate is spring loaded to drive rod of the switch. Firm thrust area provided with edge ribs bent aside at right angle. planes of the ribs are parallel to bolt plane. EFFECT: simplified design, self-adjusting in the process of mechanism wearing. 4 cl, 5 dwg