Abstract: The cylinder lock includes, in addition to conventional segmented tumbler pins, auxiliary tumbler elements movable at an oblique angle relative to the keyway and being engageable at one end into arresting recesses in the housing; the other end of the auxiliary tumbler cooperates with a camming surface on a feeler pin, the end of which projects into the keyway and is controlled by corresponding recesses provided on lateral sides of the key.
Type:
Grant
Filed:
November 21, 1980
Date of Patent:
March 6, 1984
Assignee:
EVVA-Werk Spezialerzeugung von Zylinder-und Sicherheitsschlossern GmbH & Co. KG
Abstract: A control device for a magnetic cylindrical lock includes a tubular housing eventually having on its inner surface axial and circumferential grooves, a cylindrical plug rotatable in the housing about a central axis and defining a central key channel and at least one axial recess on its cylindrical surface, a plurality of magnetic rotors supported in the plug for rotation about an axis transverse to the center axis of the plug, one face of the magnetic rotors having a third recess alignable with the second recess, a sleeve arranged for rotation and for an axial displacement between the housing and the plug, and arresting elements projecting from the sleeve to cooperate with the recesses in the housing, in the plug, and in the magnetic rotary members.
Type:
Grant
Filed:
March 2, 1979
Date of Patent:
October 28, 1980
Assignee:
EVVA-Werk Spezialerzeugung von Zylinder- und Sicherheitsschlossern GmbH & Co.