CODED LOCK Russian patent published in 1997 - IPC

FIELD: locking devices. SUBSTANCE: coded lock has body with sockets, and seated in each socked is coding unit. Each coding unit has selection of coaxially installed disks and intermediate washers having holes in their centers to accommodate control member, and also having radial recesses in their outer surface. Span-piece shaft is made in the form of cylinder with grooves for location of locking disks. Span-piece is held from turning around its axis by means of square head made on span-piece shaft which enters into corresponding hole of body. Code is set up by using key and coding bush. EFFECT: high efficiency. 3 cl, 6 dwg