Patents Assigned to eff-eff Fritz Fuss GmbH & Co. Kommandit-gesellschaft auf Aktien
  • Electric door opener with multiple position armature permitting different operation modes
    Patent number: 5788295
    Abstract: An electric door opener with a trimmer actuatable by an armature and a mat coil. The trimmer is adjustably positioned for the release or locking of a door opener latch. The door opener is useable as an electric no-load current door opener and as an operating current door opener because a selector device is provided to switch the armature-trimmer system between no-load current movement positions and operating current movement position.
    Type: Grant
    Filed: February 28, 1997
    Date of Patent: August 4, 1998
    Assignee: eff-eff Fritz Fuss GmbH & Co. Kommandit-gesellschaft auf Aktien
    Inventors: Fritz Helmut Fuss, Michael Holzer