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Shoe suspension system

  • US 5,435,078 A
  • Filed: 07/15/1994
  • Issued: 07/25/1995
  • Est. Priority Date: 07/15/1994
  • Status: Expired due to Fees
First Claim
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1. A suspension system for providing cushioned support for the foot of the wearer on an outsole of a shoe, comprising(a) an insole adapted for mounting on an upper surface of the shoe outsole, said insole being formed from a non-woven cellulose fiber material and having forepart, arch, and heel areas extending over corresponding areas of the outsole, said forepart and heel areas containing openings;

  • (b) first and second shock-absorbing inserts arranged within said insole forepart and heel area openings, respectively;

    (c) a midsole mounted on a forepart area of said insole, said midsole being formed of a non-woven cellulose fiber material and containing an opening;

    (d) a third shock-absorbing insert arranged within said midsole opening;

    (e) a socklining mounted on said midsole and said insole and extending over the forepart, arch and heel areas thereof, said socklining including a flexible cover layer and a lower layer of shock-absorbing foam; and

    (f) said first insert and said socklining foam layer being formed from a closed cell vinyl nitrile foam material which resists permanent compression and said second and third inserts being formed from polyurethane material.

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