INSOLE WITH HEATING Russian patent published in 2014 - IPC A43B7/00 

FIELD: personal usage articles.

SUBSTANCE: proposed invention relates to thermally protective clothes and may be used in footwear intended to protect the user exposed to low temperature conditions from hypothermia. The invention aim consists in extension of the device functional capabilities due to automatic start and the possibility of the battery charging and insole drying proceeding simultaneously. The insole with heating is designed to be layered; positioned between the upper and the lower parts (made of a polymer material and equipped with protective insert) is a power supply source (represented by a battery linked to the device for connection to an external power supply source) and an electric board with electric components including an ON/OFF device, thermal sensor, transistors, heating elements and a LED. The thermal sensor is positioned inside the additionally installed control unit performing temperature regulation and linked to the ON/OFF device that is designed to be automatic. The device for connection to an external power supply source represents a USB-port.

EFFECT: extension of the device functional capabilities due to automatic start and the possibility of the battery charging and insole drying proceeding simultaneously.

4 cl, 2 dwg