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Thermostat

  • US 4,414,520 A
  • Filed: 03/01/1982
  • Issued: 11/08/1983
  • Est. Priority Date: 07/04/1980
  • Status: Expired due to Fees
First Claim
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1. A thermostat comprising:

  • a housing;

    a heat sensitive body made of ferromagnetic material connected to said housing, said body losing magnetic attraction with a change in temperature;

    magnet means having a magnet movably mounted to said housing from an attracted position toward said body to a spaced position away from said body, said magnet means including an outwardly extending lever element;

    a fixed contact connected to said housing;

    a movable contact mounted to said housing having a contact portion movable from a first position in contact with said fixed contact to a second position spaced from said fixed contact; and

    biasing means connected between said movable contact and said lever element for biasing said magnet means into its spaced position and simultaneously biasing said movable contact into its second position, said biasing means connected for moving said movable contact into its second position with said magnet means in its spaced position, and for moving said movable contact into its first position with said magnet means in its attracted position.

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