Patent ID: 7614120

Claim:
An apparatus for cleaning seeds having a fibrous coating comprising in combination: A feeder for metering a flow of seeds and commingled debris into a plenum, said plenum having an opening at a bottom portion thereof for removal of heavy debris, an inlet for an air stream flowing through said plenum and a generally upwardly opening outlet for discharge of said air stream with seeds and lighter debris entrained therein; An aspiration hood connected to said upwardly opening outlet and defining an increased volume space wherein the velocity of said air stream is decreased, said aspiration hood having an upwardly opening discharge through which said air stream and lighter debris entrained therein is removed and a bottom discharge for removal of seeds and debris no longer entrained with said air stream; A rotary seed cleaner operatively connected to said bottom discharge for receiving seeds and debris said rotary cleaners including grid bars spaced apart sufficiently to allow individual seeds of a selected size to pass there between and at least one rotary sweep to move said seeds and trash across said grid bars; and, A plurality of driven shaker trays positioned to receive seeds passing through said grid bars and convey said seeds to a seed outlet, said shaker trays having apertures therein to allow small debris to pass through.