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Closing mechanism for cabinet hinge

  • US 5,655,261 A
  • Filed: 09/26/1996
  • Issued: 08/12/1997
  • Est. Priority Date: 09/26/1996
  • Status: Expired due to Term
First Claim
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1. A self-closing mechanism for a fully concealed hinge, which has a hinge cup for mounting in a bore in a door, and a frame wing pivotally supported by the hinge cup for mounting on the door frame, said self-closing mechanism comprising:

  • at least one cam surface on the hinge cup, said cam surface having at least three portions, a first portion corresponding to a fully open position of said door, a second portion corresponding to an almost closed and closed position of said door, and a third intermediate portion, between said first and second portions, corresponding to a position of said door between fully open and almost closed positions,a force generating assembly movably secured to the frame wing, said force generating assembly including a housing, and at least one spring retained by said housing, said at least one spring exerting a compressive force between said frame wing and said cam surface, whereby the compressive force when applied to said first portion results in a torque retaining the door in the fully open position, when applied to said second portion results in a torque for closing and retaining the door in the closed position, and when applied to said third portion does not apply a torque to the door.

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