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Double-wall blow-molded article with pinned hinge

  • US 6,315,154 B1
  • Filed: 03/15/2000
  • Issued: 11/13/2001
  • Est. Priority Date: 03/15/2000
  • Status: Expired due to Fees
First Claim
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1. A hinge configuration, comprising:

  • a first member formed of a polymeric material having a plurality of hinge fingers with partially cylindrical surfaces with opposed open ends, at least one of said surfaces of said first member hinge fingers being generally upwardly facing and at least one of said surfaces of said first member hinge fingers being generally downwardly facing, said hinge fingers of said first member being spaced apart along an axis of rotation and said partially cylindrical surfaces of said first member hinge fingers being radially aligned along said axis of rotation;

    a second member formed of a polymeric material having a plurality of hinge fingers with partially cylindrical surfaces with opposed open ends, at least one of said surfaces of said second member hinge fingers being generally upwardly facing and at least one of said surfaces of said second member hinge fingers being generally downwardly facing, said hinge fingers of said second member being spaced apart along an axis of rotation and said partially cylindrical surfaces of said second member hinge fingers being radially aligned along said axis of rotation; and

    a pin including a shaft extending along said axis of rotation, an end head at one end of said shaft, and an intermediate head spaced apart from said head and extending radially from said shaft, said shaft being in contact with and rotatable relative to said partially cylindrical surfaces of said hinge fingers of said first and second members;

    one of said surfaces of said first member hinge fingers or said second member hinge fingers including a recess that captures said intermediate head of said pin and prevents movement of said pin along said axis of rotation irrespective of the relative rotative positions of said first and second members.

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