CONVERTIBLE TRACTION SHOES
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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Abstract
A convertible shoe having a shoe body and a shoe sole. An air channel formed in said shoe sole including pressurized air inlet and air exhaust. An elongated pocket or multiple individual pockets in the bottom of the shoe sole and along said air channel. A flexible wall portion between said air channel and pocket that expands into the pocket(s) upon pressurization of said air channel. A protrusion affixed to said flexible wall portion and which extends out of said pocket and into engagement with a support surface when said air channel is pressurized.
38 Citations
2 Claims
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1. A convertible shoe for enhancing traction comprising:
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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. - View Dependent Claims (2)
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Specification