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Refrigerator door ajar detection system

  • US 4,891,626 A
  • Filed: 01/18/1989
  • Issued: 01/02/1990
  • Est. Priority Date: 01/18/1989
  • Status: Expired
First Claim
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1. A door status detection system for use in a refrigerator having a cabinet defining a food storage compartment and a door hingedly mounted to said cabinet for selectively closing said compartment, said door including a magnetic sealing strip secured thereto for sealing said door to said cabinet and for maintaining said door in a closed position, said door status detection system comprising:

  • switch array means installed into said cabinet generally adjacent a section of said magnetic sealing strip when said door is in a closed position for signaling the opened/closed status of said door, said switch array means being operated by said magnetic sealing strip; and

    circuit means connected to said switch array means for signaling a user of said refrigerator if said door remains in an opened position for a defined period of time.

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