UNIVERSAL TRICK LOCK Russian patent published in 1998 - IPC

FIELD: locks for doors to living rooms and offices, safes. SUBSTANCE: the lock is formed by a spindle conjugate for turning relative to each other by cylindrical hollow members. One of them has teeth for engagement with the spindle and its retainer, detachable assembly of key code decoding and pins with a shoulder and grooves at the end sections, and the other has a detachable shaped keyhole, detachable assembly of decoding of key side when the key is in the detachable shaped keyhole, and key return mechanism. Each cylindrical member accommodates a fixed cylinder having shaped bosses and terminal switches. The fixed cylinder located in the cylindrical member conjugate to the spindle additionally has a retainer and limit switches. The key is a flat polyhedron picked up of annular members inserted in one another and interconnected by hinges and having retainers and marks. The latch is made as a rot member with an end chamfer. EFFECT: enhanced reliability, simplified procedure of manufacture. 2 cl, 5 dwg