DOUBLE-CYLINDER LOCK Russian patent published in 1998 - IPC

FIELD: locking mechanisms. SUBSTANCE: double-cylinder lock has body 1 accommodating two catches 2, 3 which interact with two cylindrical mechanisms 4, 5, and it also contains locking strip 6. Made in catch 2 is slot 7 for fixing spring-loaded stopper 9 which interacts with catches 2, 3. Stopper is fastened in locking strip 6 so as to prevent opening of lock by means of catches 2, 3 of double-cylinder lock through clearance between body 1 and locking strip 6. This ensures reliability in closing of lock. EFFECT: higher efficiency. 1 dwg