Foot cushioning construct and system for use in an article of footwear

  • US 7,254,906 B2
  • Filed: 02/24/2003
  • Issued: 08/14/2007
  • Est. Priority Date: 02/24/2003
  • Status: Active Grant
First Claim
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1. In a constructed article of footwear to be worn by a human person which includes at least a shoe upper having a perimeter edge for housing the human foot and an outsole joined to the shoe upper which serves as an exterior bottom for the article of footwear, the improvement in foot cushioning comprising:

  • a continuous, uniform, planar elastic stretchsole which is lasted entirely about the perimeter edge of and forms an elastic end closure for the shoe upper, said lasted elastic stretchsole being able to deform and rebound repeatedly on-demand in response to the compression forces generated thereon by a person'"'"'s foot, andat least one median cavity housed within the outsole of the footwear article and positioned adjacent to said lasted elastic stretchsole of the shoe upper, said median cavity being capable of receiving at least a part of said deformed elastic stretchsole.

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