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ADJUSTABLE LINK FOR PROSTHETIC LIMB

  • US 3,659,294 A
  • Filed: 05/01/1970
  • Issued: 05/02/1972
  • Est. Priority Date: 05/03/1969
  • Status: Expired due to Term
First Claim
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1. An adjustable link interconnecting two members of a prosthetic limb, comprising a male part rigid with one of said members and a complementary female part rigid with the other of said members;

  • said male part including a spherically convex base and a boss of substantially frustopyramidal configuration divergingly rising from said base, two pairs of opposite sides of said boss forming respective pairs of contact surfaces bisected by mutually orthogonal planes;

    said female part comprising an annular socket surrounding said boss, said socket having a spherically concave ring surface complementary to and of the same radius of curvature as said base and in slidable engagement therewith; and

    adjustable abutment means on said socket engaging said surfaces for retaining said parts in a selected angular position within predetermined swing ranges in said planes.

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