ELECTRIC DEVICE FOR PERFORMING HAIR CUTTING OPERATION PRESENT ON SKIN AREA Russian patent published in 2019 - IPC B26B19/38 

FIELD: personal usage items.

SUBSTANCE: invention relates to hair cutting appliances. An electrical device for performing the hair cutting operation present on the skin area comprises a functional head and an electric motor. Functional head comprises inner cutting element (5) for cutting hair and external cutting element (6) for contact with skin surface (7). External cutting element (6) is located in functional head for closing inner cutting element (5) and contact with it. External cutting element (6) is equipped with cutouts for hair passing. Cutting elements (5, 6) are designed so that friction between them depends on their condition of wear in preset method. Information relating to the actual wear state of cutting elements (5, 6) is determined by measuring a parameter which depends on friction between cutting elements (5, 6) and processing the parameter. This information is communicated to the device user.

EFFECT: creation of electric device for cutting of hair providing function of indication of wear of cutting elements.

14 cl, 10 dwg