DOOR HASP LOCK WITH CYLINDRICAL COMBINATION MECHANISM Russian patent published in 1999 - IPC

FIELD: protection of apartments, garages, and so on. SUBSTANCE: device has lock housing, which contains bolt consisting of joined cross-bars one of which serves as rack. This cross-bar is engaged with spring-loaded gear which is connected to handle which serves for locking and unlocking door from inside. Gear is mounted with space between its external surface and housing. Both it and locking mechanisms are located in central bore of housing of drive which is mounted inside lock housing and is connected to it. Partially housing of drive extends over housing of lock. Locking mechanism is connected to housing of drive in its extending part by means of radial fixation member. EFFECT: increased strength, facilitated manufacturing. 2 cl, 4 dwg