US Patent 7395824 Cleaning apparatus for pillared devices

A cleaning apparatus for pillared device comprises an outer tank, an inner tank, a lid and a plurality of nozzles. Upper edges of opposing sidewalls of the outer tank include respective openings to support a shaft extending out from two ends of the pillared device. The inner tank within the outer tank for containing a first cleaning solution to dip a portion of the pillared device is constructed above the floor of the outer tank. The lid is rested on the top of the outer tank. The nozzles constructed along a pipeline inside the lid is used to spay a second cleaning solution onto the pillared device mounted in the inner tank.