Patents Assigned to Oy Abloy Security Ltd.
  • Patent number: 5083448
    Abstract: An electromechanical door lock comprises a lock body (1), in which is a dead bolt (3) which can be dead locked in its protruding position and electrically withdrawn into the lock body, a latch (4) which is spring loaded to be protruding from the lock body and which centralizes the dead bolt in an opening in a striking plate (18) arranged for the door lock, and force transmission means (8-14) for transmitting force from an electrical operating device (7) to the dead bolt (3). Said latch (4) includes in a way known as such a body member (4c) moveable inside the lock body to which is jointed a wedge-shaped member (4a, 4b), protruding at least partly out from the lock body when the latch is in the protruding position, so that the latch (4) can be pressed inside the lock body when a force acts on said wedge-shaped member (4a, 4b) from either side of the lock body in the direction of the door opening or closing.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: January 28, 1992
    Assignee: Oy Abloy Security Ltd.
    Inventors: Vesa Karkkainen, Keijo Lehikoinen