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Temperature sensing device

  • US 3,214,278 A
  • Filed: 05/15/1963
  • Issued: 10/26/1965
  • Est. Priority Date: 05/15/1963
  • Status: Expired due to Term
First Claim
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1. A TEMPERATURE SENSING DEVICE COMPRISING:

  • (A) A THERMAL-RESPONSIVE BIMETALLIC ELEMENT HAVING ONE END THEREOF ANCHORED, (B) A FIRST MOVABLE MEMBER CARRIED BY THE OTHER END OF SAID BIMETALLIC ELEMENT AND ADAPTED TO MOVE THEREWITH IN RESPONSE TO TEMPERATURE CHANGES WHEREBY SAID FIRST MOVABLE MEMBER MOVES IN ONE DIRECTION UPON AN INCREASE IN TEMPERATURE AND MOVES IN ANOTHER DIRECTION UPON A DECREASE IN TEMPERATURE, (C) A SECOND MOVABLE MEMBER MOUNTED ADJACENT SAID FIRST MOVABLE MEMBER AND LIMITED TO MOVEMENT IN SAID ONE DIRECTION, AND (D) MEANS DETACHABLE CONNECTING SAID FIRST MOVABLE MEMBER TO SAID SECOND MOVABLE MEMBER UPON MOVEMENT OF SAID FIRST MOVABLE MEMBER A PREDETERMINED DISTANCE IN SAID ANOTHER DIRECTION TO THEREAFTER MOVE SAID SECOND MOVABLE MEMBER IN SAID ONE DIRECTION UPON MOVEMENT OF SAID FIRST MOVABLE MEMBER IN SAID ONE DIRECTION WHEREBY THE AMOUNT OF MOVEMENT OF SAID SECONDDMEMBER IN SAID ONE DIRECTION INDICATES THE TEMPERATURE INCREASE AFTER SAID FIRST MOVABLE MEMBER HAS MOVED SAID PREDETERMINED DISTANCE IN SAID ANOTHER DIRECTION.

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