DEVICE FOR CLOSING THE KEYHOLE Russian patent published in 2002 - IPC

FIELD: locksmith's work. SUBSTANCE: the device has a housing at least with a single hole for the keyhole, at least with a single labyrinth packing and a flap with a hole installed for movement on the housing surface, in addition, it is provided with a disk, posts, cover and straps, marks are made on the outer surface of the disk around its edges, the inner parts of the posts have diameters d1 and d2, and the labyrinth packing is made in the form of hole with diameter d and one groove with width h1 or two grooves with widths h1 and h2, h1 exceeds or equals d1 and is less than d2, and h2 exceeds or equals d2 and exceeds d1, d exceeds or equals the sum of h1 and h2, but is less than the width of housing "B", the flap by means of the posts is kinematically engageable with the disk and straps, and the disk with the posts and straps is installed for turning relative to the flap and housing, the cover is installed inside the housing in the area of the hole for the keyhole, a hole for the keyhole and assembly holes are made in the cover, the cover has a fixing facility. EFFECT: enhanced secrecy. 6 cl, 8 dwg