Wheel lubricating apparatus includes a conveyor for transporting wheels on their side in succession into position to be lifted by a lower unit into clamp engagement with an upper stationary unit to support the wheel to be lubricated against rotation. A pair of lubricant brushes are supported by a rotary...http://www.google.fr/patents/US5876501?utm_source=gb-gplus-shareBrevet US5876501 - Wheel soaping apparatus
