Patent ID: 7681329

Claim:
Ambulatory activated footwear cooling system comprising: footwear having a permeable top side, an insole and outer sole with a heel having a bottom surface; a plurality of perforated air channels formed in the insole of said footwear connected to a common air passage; a compressible pump means located in a cavity in said heel, said pump means having its inlet connected to such air passage in said footwear and its outlet vented to the atmosphere; a reciprocating ball piston means located below the pump means and having a portion its ball extending beyond the bottom surface of the heel when not in contact with a walking surface, said ball operable to actuate the pump when said heel of said footwear contacts a walking surface driving said ball into said heel operating said pump means; and valve means in said air passage operable to only allow air flow from the interior of said footwear to said pump means and a second valve means in the outlet operable only allow air flow from said pump means to the atmosphere.