Patents Examined by Bernard Poskisko
  • Patent number: 4340806
    Abstract: A latch control arrangement for a self-cleaning oven or similar thermostatically controlled apparatus is provided to efficiently and safely control the locking and unlocking of the oven door. The self-cleaning oven is of the type that includes an oven temperature control circuit having a sensing element arranged to sense the temperature of the oven cavity. The oven temperature control circuit is responsive to manually operable selector arrangements of the oven including oven temperature and oven mode selection arrangements. In one arrangement, the oven controls are provided by a rotatable selector control. The latch control arrangement in one embodiment includes a locking member to lock a manually operable oven door latch. A locking member verification switch is provided to sense the portion of the locking member that extends into interfering relationship with the latch member.
    Type: Grant
    Filed: January 21, 1980
    Date of Patent: July 20, 1982
    Assignee: Harper-Wyman Company
    Inventor: Frank H. Bergquist