Vacuum cleaner assembly

Claim 1

IN A SUCTION CLEANER OF THE CLASS DESCRIBED HAVING A CASING FORMED WITH AN INLET AND OUTLET AND A PATH OF FLOW FOR AIR THEREBETWEEN AND MEANS FOR MOVING AIR IN THE PATH OF FLOW AND A DUCT COLLECTOR IN THE PATH OF FLOW FOR REMOVING DUST FROM AIR, THE COMBINATION OF AN OPENENDED CUP-SHAPED FRONT CASING SECTION HAVING A BOTTOM, AN OPEN-ENDED CUP-SHAPED REAR CASING SECTION HAVING A BOTTOM, SAID FRONG AND REAR CASING SECTIONS RESPECTIVELY HAVING FIRST AND SECOND OPENINGS, SAID FIRST AND SECOND OPENINGS RESPECTIVELY DEFINING THE INLET AND OUTLET FOR AIR, THE MEANS FOR MOVING AIR COMPRISING A MOTOR AND A FAN DRIVEN THEREBY, SAID MOTOR AND FAN DEFINING A MOTORFAN UNIT, MEANS FOR MOUNTING SAID MOTOR-FAN UNIT IN SAID REAR CASING SECTION WITH SAID FAN ADJACENT TO THE OPEN END THEREOF AND SAID MOTOR ADJACENT TO THE SECOND OPENING DEFINING THE AIR OUTLET, SAID DUCT COLLECTOR BEING DISPOSED IN SAID FRONT CASING SECTION, SAID DUST COLLECTOR COMPRISING AN ELONGATED APERTURED FRAME OF ANNULAR FORM HAVING OPPOSING FIRST AND SECOND ENDS, SAID FRAME COMPRISING A PLURALITY OF SPACED ELEMENTS CONNECTED TO ONE ANOTHER AND HAVING INNER SURFACES, AN ELONGATED BODY OF ANNULAR FORM AT THE INNER SURFACES OF SAID ELEMENTS WHICH COMPRISES FILTER MATERIAL AND EXTENDS BETWEEN THE FIRST END AND THE OPPOSING SECOND END OF SAID APERTURED FRAME AND DEFINES A CUP-SHAPED DUST HOLDER HAVING A BOTTOM AT THE SECOND END OF SAID FRAME AND AN ACCESS OPENING FOR AIR AT THE FIRST END THEREOF FOR FLOWING AIR FROM THE INLET INTO THE INTERIOR OF SAID DUST HOLDER AND FLOWING AIR FROM WHICH DUST HAS BEEN REMOVED FROM THE EXTERIOR THEREOF TO THE OUTLET, SAID FRONT CUP-SHAPED CASING SECTION HAVING A FIRST PART THEREIN AT THE VICINITY OF ITS BOTTOM, SAID REAR CUP-SHAPED CASING SECTION HAVING A SECOND PART AT THE OPEN END THEREOF, SAID DUST COLLECTOR BEING ADAPTED TO EXTEND AXIALLY WITHIN SAID CASING WITH THE FIRST END THEREOF ADJACENT TO SAID FIRST PART AND THE SECOND END THEREOF ADJACENT TO SAID SECOND PART, AND MEANS FOR DETACHABLY CONNECTING THE OPEN ENDS OF SAID FRONT AND REAR CASING SECTIONS AND ANCHORING SAID APERTURES FRAME BETWEEN SAID CASING SECTIONS WITH ITS FIRST END EXERTING FORCE AGAINST SAID FIRST PART AND ITS OPPOSITE SECOND END EXERTING FORCE AGAINST SAID SECOND PART.