Patent ID: 6701945
Filing Date: 2004-03-09
Classification: B08B,C23G

Abstract:
A sheet metal blank washer comprising:a tank assembly; a washer cassette removably mounted on said tank assembly; said washer cassette including a pair of entry rollers and a pair of exit rollers and a filter assembly for delivering cleaning fluid to the interior of said washer cassette, wherein each of said pair of rollers including a first upper roller mating with a second lower roller when said washer is in operation; a drive motor assembly to drive only one of said upper roller and said lower roller of each of said pairs of rollers; wherein each of said lower entry and exit rollers further includes an outwardly extending shaft member on one distal end, said shaft member adapted to receive a shaft drive bearing, said drive assembly including an outwardly extending input shaft that receives a motor drive bearing, wherein a timing belt is selectively engageable with said motor drive bearing and said shaft drive bearings to drive said lower entry and exit rollers; and each of said rollers being selectively deformable to permit a blank to pass between mating rollers, said rollers configured to compress against an outer surface of the blank as it passes between said mating rollers.