Sealed switch assembly for use with a rotatable valve shaft

Details Sealed switch assembly for use with a rotatable valve shaft Sealed switch assembly for use with a rotatable valve shaft

H - Electricity

01

H

H01H 9/04 (2006.01) F23D 14/46 (2006.01) F23K 5/00 (2006.01)

Patent

CA 2174880

A gas burner valve switch having an annular rotor engaging the valve shaft for rotation with the shaft. An annular resilient seal in a groove on the rotor flange seals against the underside of the casing cover to prevent entry of foreign matter. The rotor is journalled for rotation in the housing which has spaced terminals which connect, via insulation displacement, with a pair of continuous spaced electrical leads laid in channels and extending through the housing. In one embodiment the rotor has a cam which actuates a moveable blade arm attached to one of the pair of terminals to effect closing against the other terminals. In another embodiment an annular wiper ring acts as a shorting bar between the terminal for switching upon user rotation of the rotor.

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