REMOVABLE CODING MAGNETOMECHANICAL DEVICE FOR PROTECTION OF KEY HOLES

摘要

FIELD: locking devices. SUBSTANCE: this relates to auxiliary appliances for locks. Body of magnetomechanical device has circular bore, guide members and blind slots. Stopper is made as removable and is provided with spring-biased holder having guide protrusions and blind holes. Installed in holder is matrix with inserts. Magnetically sensitive balls are located in cylindrical spaces which are formed by blind holes in holders and ends with recesses of matrix inserts. At least one of these recesses is made eccentric. Holder of socket key with magnets can be separately turned. Aforesaid embodiment of magnetomechanical protective device is fully self-contained. Coding of stopper can be multiply readjusted. Device is highly resistant to unauthorized opening. EFFECT: higher efficiency. 4 dwg