CODE HANDLE-LOCK Russian patent published in 1997 - IPC

FIELD: locking devices, particular, locks for doors, instrument lids, boxes, etc. SUBSTANCE: code handle-lock has body accommodating locking member in the central hole for turning. Retainer is installed in body radial hole. Installed on the body are code rings having hollows on the inner surface for accommodation or retainer and code marks on outer surface. Lock has control handle. Locking member is made in form of rod having flat. Radial hole in body is made in form of port located against the flat of locking rod. Retainer is made in form of pin whose diameter equals the sum of body wall thickness and flat height. Hollow on each code ring has depth and radius equalling the pin diameter. EFFECT: higher efficiency. 3 dwg