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Shoe sole construction

  • US 5,014,449 A
  • Filed: 09/22/1989
  • Issued: 05/14/1991
  • Est. Priority Date: 09/22/1989
  • Status: Expired due to Fees
First Claim
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1. A shoe sole construction comprisingan intermediate layer for supporting the forces generated by a wearer, said intermediate layer including a hollow outer shell defined by a top surface and a bottom surface connected by an outer periphery;

  • anda plurality of convolutions arranged horizontally along a substantial portion of said outer periphery of said intermediate layer extending from said top surface to said bottom surface in independent vertical columns along said outer periphery of said intermediate layer with a recess formed between adjacent columns, whereby said convolution compress in an accordion-like fashion when force is applied thereto.

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