Air pumping and ventilating device for a shoe

Details Air pumping and ventilating device for a shoe Air pumping and ventilating device for a shoe

A - Human Necessities

43

B

A43B 7/06 (2006.01)

Patent

CA 2144249

A shoe is provided with an air pumping device capable of supplying fresh air from the ambient atmosphere into the interior of the shoe. The air pumping device is detachable from the shoe so that it can be cleaned to remove dirts or alien objects that may block the air flow path. The air pumping device is located beneath the forepart of a foot wearing the shoe. When the user makes a step forward, an air bag (30) is compressed at the instant the forepart of the foot is bent to lift the heel off the grount, thereby generating an air pumping action. when the forepart of the foot stretches straight again, the air bag (30) restores to its original shape, thereby generating an air sucking action. As the user keeps moving, the air pumping device will pump air successively from the ambient atmosphere into the interior of the shoe. The air flow direction may be reversed so as to pump air inside the shoe out to the ambinet atmosphere.

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