Electrical switch for ignition in gas appliances

Details Electrical switch for ignition in gas appliances Electrical switch for ignition in gas appliances

H - Electricity

01

H

306/6

H01H 3/02 (2006.01) F24C 3/10 (2006.01)

Patent

CA 1044285

ELECTRICAL SWITCH FOR IGNITION IN GAS APPLIANCES Abstract of the Disclosure Disclosed is a switch structure for use in a gas- fired appliance. The switch is simultaneously operated by rotation of a gas valve on an appliance such as a cooking stove. The switch has a semi-circular cam body disposed within a housing. The cam body is secured to the stem of the gas valve for rotation therewith. An arcuately extending cam guide is located on the periphery of the body and extends transversely of the axis of rotation. A cam lobe is also provided on the cam body immediately adjacent the cam guide and only at one side thereof. A flexible wire contact element is engagable with the cam guide and is actuated by the cam lobe to make electrical contact with a stationary contact element when the cam body is rotated in one direction. The flexible wire contact is engagable with the cam guide and directed away from the cam lobe to avoid electrical connec tion when the cam body is rotated in the opposite direction, during, for example, turning off and/or adjusting the level of; the flame of the gas burner.

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