Divided dust collector housing

Claim 1

IN A SWEEPING MACHINE HAVING A BRUSH AND A SUCTION BLOWER THEREON, A DUST COLLECTOR HOUSING COMPRISING AN ENCLOSURE MOUNTED ON THE MACHINE AND HAVING A DEBRIS OPENING ADJACENT THE BRUSH TO RECEIVE SWEPT DEBRIS THEREFROM AND AN AIR OUTLET, MEANS TO CONNECT THE AIR OUTLET TO THE SUCTION BLOWER TO PARTIALLY EVACUATE THE HOUSING, A FILTER BARRIER IN SAID HOUSING, AND AN AIR TIGHT BAFFLE IN SAID HOUSING DIVIDING SAID HOUSING INTO UPPER AND LOWER COMPARTMENTS WITH THE DEBRIS OPENING IN THE LOWER COMPARTMENT AND THE FILTER AND AIR OUTLET IN THE OTHER COMPARTMENT, SAID BAFFLE HAVING AN OPENING DEFINED THERETHROUGH TO FORM A PREDETERMINED PATH OF AIR FLOW FROM THE DEBRIS OPENING TO THE AIR OUTLET OF THE HOUSING, AND THE BAFFLE BEING SPACED DOWNWARDLY FROM AN UPPER WALL DEFINING THE UPPER COMPARTMENT OF SAID HOUSING TO FORM A DUST OUTLET FOR THE UPPER COMPARTMENT ADJACENT TO THE DEBRIS OPENING AND FLEXIBLE SEALING MEANS ON SAID SWEEPING MACHINE ADAPTED TO COVER SAID DUST OUTLET AND SUBSTANTIALLY PREVENT MOVEMENT OF AIR THROUGH THE DUST OUTLET INTO THE UPPER COMPARTMENT WHEN SAID HOUSING IS MOUNTED ON SAID MACHINE IN SWEEPING POSITION.