SINGLE-TURN LOCK Russian patent published in 2001 - IPC

FIELD: locksmith's work. SUBSTANCE: the lock has a body with a shaped slot on its bottom, whose edges represent sections of gauge curves, locking bolt with a pin engageable with a rectilinear slot made on the cover, lock striker placed in the slot made in the end section of the locking bolt perpendicularly to the direction of its motion and engageable with the shaped slot by means of the pin of the lock striker, which in the extreme points of the shaped slot is in stable positions of the locking bolt, and a key insert having a dog engageable with the lock striker and locking bolt, positioned in the upper part of the lock is a telescopic pusher made in the form of a bush hinge-mounted in the lock striker recess, and a rod spring-loaded relative to the bush bottom and engageable with the bed made in the wall. EFFECT: enhanced stability to breaking in. 4 cl, 4 dwg