Image Number 2 for United States Patent #6575028.
An oil-gauge for the axle-end of a vehicle includes a transparent or translucid lid (15) for inspecting the level of oil in a chamber (13) housing the wheel-mounting bearings. A disk partition (23) is bolted to the inside of the lid to form a shallow subchamber (25). The disk is provided with orifices for oil level in the subchamber to follow the oil level in the main chamber. The visible surface (29) of the disk is painted white and the subchamber houses one or more loose elements (31) to wipe the inside of the lid clean.
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