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Devices and methods for indicating loss of shock absorption in a shoe

  • US 6,160,254 A
  • Filed: 03/02/1999
  • Issued: 12/12/2000
  • Est. Priority Date: 03/02/1999
  • Status: Expired due to Fees
First Claim
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1. A device that indicates wear in a shock-absorbing material of a shoe sole when a load is placed on said shoe sole, comprising:

  • a sensor positioned in said shoe sole so that when said shock-absorbing material becomes less resilient, an increased percentage of said load is placed on said sensor, wherein said sensor provides an indication that said shock-absorbing material is worn out when a certain amount of said load is placed on said sensor.

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