CODE LOCK-TYPE INTERLOCKING DEVICE Russian patent published in 2005 - IPC

FIELD: ironmongery, particularly interlocking devices.

SUBSTANCE: interlocking device comprises body with blind holes for receiving code retaining pins, cavity for arranging leading-in cross-bar legs, code retaining pins with working and false grooves and cross-bar with leading-in head. Leading-in head has radial rests with cross-sections corresponding to that of working grooves of corresponding code retaining pins. Interlocking device also has detachable closure for body having orifice for receiving leading-in cross-bar head. The closure is blocked or unblocked with cross-bar during locking or unlocking processes correspondingly. Interlocking device also includes code marks applied to outer cross-bar surface to install cross-bar into angular, working, position and key with code legs formed so that the legs may be rearranged in key orifices. Body has orifices to secure body to door in through body orifices. Each through body orifice has two diameters defined in common longitudinal line. Code retaining pins having working and false grooves and cylindrical heads are also installed. Cylindrical heads prevent communication with orifices having larger diameters and closed with closure from orifice side having larger diameter, wherein the closure is detachably secured to the body and may be removed from the body in opened position. The closure is secured with rod cooperating with cross-bar in closed position.

EFFECT: increased resistance to breaking-in.

10 dwg