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CONVERTIBLE TRACTION SHOES

  • US 20080010859A1
  • Filed: 06/25/2007
  • Published: 01/17/2008
  • Est. Priority Date: 02/07/2005
  • Status: Active Grant
First Claim
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1. A convertible shoe for enhancing traction comprising:

  • a footwear body and a footwear sole, the sole having an inner surface and a bottom surface, the bottom surface adapted to engage a support surface;

    an fluid directing channel formed in said sole and a designated chamber underlying said fluid directing channel;

    a flexible wall portion disposed between said fluid directing channel and said chamber and a protrusion coupled to and extended from said flexible wall portion and residing in said chamber;

    a fluid source connection to said fluid directing channel for introducing and releasing pressurized fluid to and from the fluid directing channel, said flexible wall portion responsive to said pressurized fluid to extend the flexible wall portion into said pocket and to thereby extend said protrusion out of said pocket and into engagement with said support surface, and wherein upon removal of said fluid, resiliency of the flexible wall portion helps urge retraction of said protrusion.

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