Combined With Additional Material Support Patents (Class 219/392)
  • Patent number: 4082078
    Abstract: A lock assembly for a domestic cooking appliance for use during a pyrolytic self-cleaning operation. The assembly includes a pair of cams mounted on a common shaft which provide the dual functions of energizing and de-energizing certain switches in the operating circuit as well as mechanically engaging and locking certain door latch components. The cams are rotated into and out of the locked and unlocked positions by a single lock motor.
    Type: Grant
    Filed: October 6, 1976
    Date of Patent: April 4, 1978
    Assignee: Litton Systems, Inc.
    Inventors: Richard A. Thuleen, John E. Richard
  • Patent number: 4020322
    Abstract: Electric commercial cooking apparatus having a cylindrical body with dome top and bottom and a vertically hinged door. The apparatus has a thermostat controlled electrical heating element affixed to the bottom dome. The heating element serves as a heat supply and to generate smoke from combustible material such as hickory chips. The heating element and tray are located beneath a water pan and a plurality of grids supported by brackets located on the interior of the body adjacent the door and opposite the door. The grids and water pan may be removed by tilting each sideways so that they may pass through the door opening for easy maintenance.
    Type: Grant
    Filed: May 14, 1976
    Date of Patent: April 26, 1977
    Inventor: Edward T. Muse