LOCKING DEVICE Russian patent published in 1995 - IPC

FIELD: door locking. SUBSTANCE: locking device has body with key guide, cross-bar 4 and key with bit. Cross-bar 4 is made in form of thickened sector fitted on axle 9 and having boss in form of hook on one end face. Hook is installed for its insertion into hole of cover plate secured to door bloc. Rigidly secured inside body is box 13 with longitudinal recess in which spring-loaded rack 15 moves. Rack 15 is connected with tie-rod 16 which ends in ring from outer side of body of locking device. Rack 15 may thrust end part of cross-bar. EFFECT: higher reliability of locking device from unauthorized opening. 8 dwg