LOCKING MECHANISM OF CYLINDER LOCK Russian patent published in 1997 - IPC

FIELD: locking mechanisms. SUBSTANCE: locking mechanism has body accommodating concentrically arranged cylinder and turning bushing, spring-loaded carrier coaxially installed with its shaped hole on cylinder tail and carrier pusher. Installed in body on bushing is return spring whose working ends are engageable simultaneously with bushing and cylinder. Carrier pusher is located between bushing and carrier and having recess of projection, and bushing on the side of pusher has adequate projection or recess. Pusher outer diameter of carrier has projections and body has corresponding recesses for prevention of turning of pusher. Body has slotted seat accommodating carrier, and central slot of carrier in cross-section is made in form of tetragonal star with truncated tops. Tops of cylinder tail are located in slot of star truncated tops. Tail faces come in contact with point of intersection of star top bases. EFFECT: higher efficiency. 3 cl, 8 dwg