LOCK Russian patent published in 1997 - IPC

FIELD: codes forming systems. SUBSTANCE: lock made in the form of rim lock or integral lock is mounted on door of guarded premises and is distinguished for increased reliability of interlock. Lock design excludes unauthorized selection of key or damage of key hole. Lock has body, hasp, hasp control member, fixer and fixer control mean. Hasp control member is made in the form of pusher mounted with capability of reciprocation in parallel to hasp. Pusher has tail-end kinematically linked with hasp. Fixer and fixer control mean are located on inner surface of door so, that fixer is capable to be engaged with tail-end and to ensure its fixation in locked position of lock. From the outside in door there is hole facing pusher. EFFECT: increased reliability of interlock. 4 cl, 3 dwg