Patent ID: 9579251
Date: 2017-02-28
CPC Classifications: A61B,A61H

Claim:
1. A handheld skin exfoliating apparatus comprising: a handle portion adapted to be held in a hand of a user; a head portion connected to the handle portion and having opposite sides; a first drum having a first outer surface, the first drum being mounted for rotation to the head portion with at least part of the first outer surface being exposed at one of the sides of the head portion; a second drum having a second outer surface, the second drum being mounted for rotation to the head portion with at least part of the second outer surface being exposed at an opposite one of the sides of the head portion; the first outer surface being abrasive to skin of the user and having a first level of abrasiveness; the second outer surface being abrasive to the skin of the user and having a second level of abrasiveness that is different from the first level of abrasiveness; and drive means mounted to at least one of the handle and head portions, the drive means operatively connected to each of the first and second drums for rotating each one of the drums at a rotation rate sufficient to exfoliate the skin when a respective one of the first and the second outer surface contacts the skin; wherein the drive means comprises a motor having opposite sides and a shaft with a pair of ends, one of the pair of ends extending beyond one of the sides of the motor and the other one of the pair of ends extending beyond the other one of the sides of the motor, and a pair of gear trains, one of each of the pair of gear trains engaged between a respective one of the ends of the shaft and a respective one of the drums, each one of the gear trains comprising a shaft gear connected to a respective one of the ends of the shaft, a double gear having a large diameter portion meshed with the shaft gear and a small diameter portion, a single intermediate gear meshed with the small diameter portion of the double gear, and a drum gear attached on a respective one of the drums and meshed with the intermediate gear.