LOCK Russian patent published in 1997 - IPC

FIELD: lock production. SUBSTANCE: lock has one- piece case with through holes for cross bars. Annular turnings are provided in the middle of the lengths of the cross bars. Round recess is on one side of the case. A disc able to revolve is placed in the recess. Pins are pressed in disc base. Stoppers come in holes of the disc. Coaxial holes are originated in the centers of the case and disc to pass a key. A beard is there on free end of the key. Arms of different weights form the beard. Pins number of which corresponds to the number of disc holes are there in the beard. The beard is hinged. Springs are there under the stoppers. Ring plate is provided to retain the disc in the recess. EFFECT: simplified design and manufacturing. 2 dwg