TRIGGER-TYPE DOOR LOCK Russian patent published in 1998 - IPC

FIELD: locking devices. SUBSTANCE: trigger-type door lock relates to mortise and rim door locks of trigger type intended for locking wooden and metal doors of buildings, apartments, safes. Lock has following components located in its body: span-piece with working upright, mechanism for moving links, and triggers which are spring-loaded relative to body for possible displacement perpendicularly to movement of span-piece. All triggers are made double-level and with false slots. Working span-piece upright is made removable and with coding recesses and longitudinal false slots. Lock is provided with removable setting span-piece upright and setting key. Design of lock ensures high resistance to unauthorized opening by means of skeleton-keys and also at loss of key or if good duplicate of key manufactured by criminals is used. EFFECT: higher efficiency. 7 dwg