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Door hinge

  • US 3,973,289 A
  • Filed: 05/23/1975
  • Issued: 08/10/1976
  • Est. Priority Date: 05/31/1974
  • Status: Expired due to Term
First Claim
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1. In combination with a door positioned adjacent and spaced from a door frame or jamb, a hinge comprising an elongated profile bracket mounted on said frame and extending over at least a part of the door height;

  • said bracket including a leg projecting laterally thereof;

    an elongated extension on said leg having a first arcuate outer surface on one side thereof and upon its other side and spaced therefrom a second arcuate inner surface of reduced radius;

    said door having along one edge a transversely arcuate bearing surface of substantially the same radius as and cooperatively receiving said first arcuate surface;

    said support means on said door spaced from said transversely arcuate surface and retainingly engaging said second arcuate surface;

    whereby, on opening movement of the door, its arcuate bearing surface moves over and along said first arcuate surface, and said support means rotates over and along said second arcuate surface.

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