Dust collector apparatus

Claim 1

DUST COLLECTOR APPARATUS COMPRISING: A FILTER BAG HOUSING INCLUDING UPSTREAM DIRTY GAS INLET MEANS AND DOWNSTREAM CLEAN GAS OUTLET MEANS; HORIZONTAL PARTITION MEANS EXTENDING TRANSVERSE SAID HOUSING TO DIVIDE SAID HOUSING INTO A DIRTY GAS PLENUM COMMUNICATING WITH SAID DIRTY GAS INLET MEANS OF SAID HOUSING AND A CLEAN GAS PLENUM COMMUNICATING WITH SAID CLEAN GAS OUTLET MEANS OF SAID HOUSING; SAID PARTITION MEANS HAVING AT LEAST ONE PAIR OF SPACED ROWS OF SPACED AND ALIGNED APERTURES BETWEEN SAID DIRTY GAS AND CLEAN GAS PLENUMS; AT LEAST ONE PAIR OF SPACED ROWS OF SPACED AND ALIGNED FILTER BAGS VERTICALLY DISPOSED IN SAID CLEAN GAS PLUENUM IN SPACED PARALLEL RELATIONSHIP, SAID FILTER BAGS HAVING CLOSED UPPER END PORTIONS AND OPEN LOWER END PORTIONS CONNECTED TO SAID APERTURES OF SAID PARTITION TO COMMUNICATE WITH SAID DIRTY GAS PLENUM; A BAG SUPPORT MEANS HAVING ITS CENTRAL LONGITUDINAL AXIS EXTENDING IN A PLANE PARALLEL TO AND INTERMEDIATE SAID PAIR OF SPACED ROWS OF FILTER BAGS ABOVE THE CLOSED UPPER ENDS OF SAID BAGS, SAID BAG SUPPORT MEANS HAVING A CIRCULAR CROSS-SECTIONAL CONTOUR WITH A MAXIMUM CHORD SUBSTANTIALLY EQUAL TO THE DISTANCE BETWEEN CENTER LINES OF SAID ROWS OF APERTURES IN SAID PARTITION; MEANS TO CONNECT THE CLOSED UPPER PORTIONS OF SAID PAIR OF SPACED ROWS OF FILTER BAGS TO SAID SUPPORT MEANS ALONG THE UPPERMOST HALF THEREOF; AND MEANS TO ROTATE SAID BAG SUPPORT MEANS ABOUT ITS CENTRAL LONGITUDINAL AXIS IN OSCILLATORY FASHION TO SHAKE SAID FILTER BAGS SUPPORTED THEREBY ONLY IN A SUBSTANTIALLY GENTLE LINEAL UP AND DOWN FASHION.