A - Human Necessities – 43 – B
Patent
A - Human Necessities
43
B
A43B 7/04 (2006.01) A43B 7/02 (2006.01) A43B 13/00 (2006.01) A43B 17/08 (2006.01)
Patent
CA 2346547
A heating sole includes an upper pad formed with a plurality of ventilation holes and configured to be fitted in any shoe, a heating sheet having an upper and a lower layer and a filament fitted between the upper and lower layers so that the filament is completely enclosed by the upper and lower layers thereby insulating the filament from outside, the filament being connected with a temperature sensor, the heating sheet being formed with a plurality of ventilation holes aligned with the ventilation holes of the upper pad, the temperature sensor being connected with an electrical cord provided with an electrical connector at an outer end thereof, the electrical connector being adapted to engage with a battery box in which there is a rechargeable battery, a lower pad integrally made of foam rubber and formed with a raised edge at a rear portion thereof, the raised edge having a notch for passage of the electrical cord, the lower pad being formed with a plurality of ventilation holes aligned with the ventilation holes of the heating sheet and the upper pad, whereby the heating sole can automatically keep a wearer's foot at constant temperature.
Kirby Eades Gale Baker
Lin Ku-Shen
LandOfFree
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