Patents Assigned to EVVA-Werk Spezialerzeugung von Zylinder-und Sicherheitsschlossern GmbH & Co. KG
  • Lock having a cylinder core and a housing
    Patent number: 4434636
    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
    Inventor: Kurt Prunbauer