LOCK Russian patent published in 2001 - IPC

FIELD: applicable for closing or blocking of various objects. SUBSTANCE: the lock has a detachable locking bolt that is fixed relative to the body with projection of its ends behind the body contour. The body is made for rigid attachment to the blocked object and one end of the locking bolt is positioned in the object. The locking bolt has a cavity connected to the slot made in its end, the cavity accommodates a device for moving the latch made in the form of a detachable key. The key is made for translational motion in the slot and in the cavity for engagement with the collar and secret members made directly on the latch installed on an axle in the cavity of the locking bolt and spring-loaded by a spring to the body recess for turning and exit from it under the action of the key. The key is made in the form of a narrow plate with mating secrecy members in the form of cutouts that correspond to the secrecy members of the latch. The locking bolt cavity accommodates a safety device made in the form of two spring members, which are engageable with the detachable key and one of the secrecy members of the latch. EFFECT: enhanced secrecy and reliability of closing, simplified construction due to matching of the secrecy members with the latch and use of a detachable key instead of a cylindrical lock with a cam and a bell-crank. 12 cl, 12 dwg