×

Multiple-purpose elastic shoe

  • US 5,235,761 A
  • Filed: 10/03/1991
  • Issued: 08/17/1993
  • Est. Priority Date: 10/03/1991
  • Status: Expired due to Fees
First Claim
Patent Images

1. A shoe comprising:

  • an outsole formed on a bottom portion of a shoe having an upper formed thereon;

    an elastic jacket embedded in the outsole including;

    a lower substrate adjacent to a bottom portion of said outsole, an upper layer secured with a perforated midsole positioned above the elastic jacket, a side cover connected between the upper layer and the lower substrate circumferentially disposed around a circumferential side portion of the elastic jacket, a plurality of elastic pumping means formed between the lower substrate and the upper layer resiliently expandably retaining the lower substrate and the upper layer and operatively depressed for pumping air upwardly through the perforated midsole, a perforated insole formed above the midsole for ventilating a wearer'"'"'s foot, and a plurality of atmospheric ventilating holes formed in the side cover communicating the atmosphere;

    an illuminating means and a sounding means formed in said elastic jacket in said outsole,the improvement which comprises;

    each said elastic pumping means including;

    a lower cylinder formed on the lower substrate having a plurality of ventilating holes formed in the lower cylinder, an upper cylinder secured to the upper layer slidably jacketed on the lower cylinder having a plurality of ventilating holes formed in the upper cylinder, a tensioning spring retained in the upper and lower cylinders and an upper tube protruding upwardly from the upper cylinder through the upper layer having a central hole formed in the upper tube communicating the midsole and an interior in the jacket.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×