Patent ID: 8756829

Claim:
A laundry treating appliance comprising: a cabinet defining an interior; a drum located within the interior and rotatable about an axis of rotation; a motor operably coupled to the drum to rotate the drum about the axis of rotation; and a roller assembly supporting an exterior surface of the drum and comprising: a non-rotating axle; a wheel comprising a hub having a circumferential bearing surface defining a circular axle opening in which the axle is received to rotably mount the wheel to the axle; a tire coupled with the wheel and having an outer surface in contact with the drum; and a lubricant reservoir located within the hub and having an outlet located on the bearing surface to be in communication with the axle opening such that at least some of a lubricant retained in the reservoir may exit the outlet and lubricate the axle, wherein rotation of the wheel about the axle results in a corresponding rotation of the outlet about the axle to deliver lubricant from the lubricant reservoir about the axle.