Grain conveyor

Claim 1

A CONVEYOR COMPRISING A MECHANISM TO WITHDRAW STORED GRAIN FROM THE BOTTOM PORTION OF THE INTERIOR CONFINES OF A GRAIN BIN FOR DISCHARGE OUTSIDE OF SAID BIN THROUGH A BIN WALL OPENING COMPRISING A TUBULAR HOUSING TO SEAT UPON THE FLOOR WITHIN THE CONFINES OF THE BIN AND TO EXTEND ACROSS SAID BIN AND OUT OF SAID BIN WALL OPENING, A CONVEYOR IN SAID TUBULAR HOUSING TO DRAW GRAIN THROUGH THE HOUSING, SAID HOUSING HAVING A PLURALITY OF EQUAL SIZE INLET OPENINGS RANGING ACROSS THE BIN AREA ALONG THE LENGTH OF THE HOUSING PORTION DISPOSED WITHIN SAID BIN AND A DISCHARGE OPENING IN SAID HOUSING DISPOSED OUTWARDLY BEYOND THE BIN WALL, AND METERING MEANS TO CONTROL THE FLOW OF GRAIN FROM THE FULL BIN AREA INTO ALL OF THE HOUSING INLET OPENINGS SIMULTANEOUSLY COMPRISING COVER PLATES OF EQUAL SIZES ORIENTED ALIKE OVER EACH OF THE HOUSING INLET OPENINGS AND FRICTIONALLY RIDING UPON THE UPPER SURFACE OF THE TUBULAR HOUSING BETWEEN THE GRAIN LOAD AND THE HOUSING, AN ACTUATION BAR CONNECTED WITH EACH COVER PLATE FOR CONCERTED OPENING AND CLOSING OF THE INLET OPENINGS BY SAID PLATES, AND A PLURALITY OF BAR GUIDES CONNECTED WITH SAID HOUSING IN PREDETERMINED LONGITUDINAL POSITIONS WITH RESPECT TO THE HOUSING OPENINGS TO GUIDE SAID BAR AND TO PERMIT ENDWISE REGULATORY OPERATION OF SAID BAR ACROSS SAID HOUSING OPENINGS ALONG THE LENGTH OF SAID HOUSING, SAID COVER PLATES BEING OF ARCUATE SHAPE TRANSVERSELY OF SAID HOUSING TO FIT THE HOUSING FOR LONGITUDINAL TRANSLATORY GUIDANCE THEREALONG AT SAID HOUSING OPENINGS, SAID COVER PLATES BEING LOCATED BETWEEN SAID BAR GUIDES AND SUPPORTING SAID BAR OVERHEAD IN SAID BAR GUIDES TO COUNTERACT LATERAL FLEXING OF SAID ACTUATION BAR BETWEEN ADJACENT BAR GUIDES DURING THE OPENING OR CLOSING OF SAID HOUSING OPENINGS WITH SAID RESPECTIVE CONNECTED COVER PLATES OR UNDER STATIC ADJUSTED POSITIONS OF SAID COVER PLATES WHEN SUBJECTED TO THE GRAIN LOAD AND GRAIN FLOW.