Patents Assigned to Daempa A/S
  • Door lock
    Patent number: 4040652
    Abstract: A door lock having a press button operable to retract the door bolt from its engaged to its released position, and a separate operating means to positively lock the bolt whereby the press button is raised or lowered from its normal position so as to serve as a visual signal indicating whether the bolt is locked or is free for normal retraction.
    Type: Grant
    Filed: February 11, 1974
    Date of Patent: August 9, 1977
    Assignee: Daempa A/S
    Inventors: Soren Christian Schoubye Arfelt, Ib Christian Clausen, Johannes Jensen, Knud Hansen Fynbo, Jean Arnold Fischer