Patents Assigned to EVVA-Werk Specialerzeugung von Zylinder-und-Sicherheitsschlossern GmbH & Co. KG
  • Control device for cylinder locks
    Patent number: 4440007
    Abstract: A control device for a magnetic cylindrical lock having a cylindrical housing and a cylindrical plug disposed for rotational and axial movements in the housing, comprises a longitudinal bore in the plug, magnetic rotary members arranged for rotation across the longitudinal bore, and arresting means for blocking the rotation of the plug in one axial position of the latter and for permitting the rotary movement in another axial position.
    Type: Grant
    Filed: March 2, 1981
    Date of Patent: April 3, 1984
    Assignee: EVVA-Werk Specialerzeugung von Zylinder-und-Sicherheitsschlossern GmbH & Co. KG
    Inventor: Kurt Prunbauer