Vacuum cleaner

Claim 1

A SUCTION CLEANER HAVING A CASING PROVIDED WITH AN AIR INLET AND AN AIR OUTLET AND A DUST BAG AND A MOTOR-FAN UNIT THEREBETWEEN, THE CASING COMPRISING FIRST AND SECOND ENDS AND AN OUTER SIDE WALL OF ANNULAR FORM THEREBETWEEN, THE AIR INLET AND AIR OUTLET BEING AT THE FIRST END OF THE CASING, MEANS DEFINING A U-SHAPED AIR PASSAGEWAY WITHIN THE CASING WHICH INCLUDES A CLOSED END AT THE SECOND END OF THE CASING AND A PAIR OF SPACED ELONGATED ARMS WHICH EXTEND FROM THE CLOSED END OF THE AIR PASSAGEWAY TOWARD THE FIRST END OF THE CASING AND TERMINATE AT THE AIR INLET AND AIR OUTLET, RESPECTIVELY, AT THE FIRST END OF THE CASING, EACH OF THE ELONGATED ARMS INCLUDING A HOLLOW MEMBER, THE HOLLOW MEMBERS BEING SPACED FROM ONE ANOTHER AND FROM THE OUTER SIDE WALL OF THE CASING AND EXTENDING BETWEEN THE FIRST AND SECOND ENDS OF THE CASING, MEANS FOR POSITIONING THE DUST BAG WITHIN THE HOLLOW MEMBER OF ONE ARM OF THE U-SHAPED PASSAGEWAY WHICH TERMINATES AT THE AIR INLET, MEANS FOR MOUNTING THE MOTOR-FAN UNIT WITHIN THE HOLLOW MEMBER OF THE OTHER ARM OF THE U-SHAPED PASSAGEWAY WHICH TERMINATES AT THE AIR OUTLET, A BODY OF SEMI-RIGID FOAMED PLASTIC WHICH COMPLETELY FILLS THE SPACE BETWEEN THE OUTER SIDE WALL OF THE CASING AND THE HOLLOW MEMBERS AND THE SPACE BETWEEN THE HOLLOW MEMBERS AND FUNCTIONS TO PERMANENTLY ANCHOR AND POSITION THE HOLLOW MEMBERS WITHIN THE OUTER SIDE WALL OF THE CASING, THE HOLLOW ARMS BEING SEPARATED FROM ONE ANOTHER BY A PARTITION WHICH INCLUDES A PORTION OF EACH OF THE HOLLOW MEMBERS AND A PORTION OF THE FOAMED PLASTIC BODY WHICH IS DISPOSED THEREBETWEEN, THE PARTITION HAVING AN OPENING AT THE SECOND END OF THE CASING WHICH DEFINES THE CLOSED END OF THE U-SHAPED PASSAGEWAY, THE CASING AT THE FIRST AND SECOND ENDS INCLUDING END CLOSURES EACH HAVING AN OUTER FLANGE AND A PAIR OF SPACED INNER FLANGES OF ANNULAR FORM, THE OUTER FLANGES TELESCOPICALLY FITTING OVER THE OUTER SIDE WALL AT OPPOSITE ENDS OF THE HOLLOW MEMBERS AND THE INNER FLANGES OF EACH OF THE END CLOSURES TELESCOPICALLY FITTING WITHIN THE END OF A DIFFERENT ONE OF THE HOLLOW MEMBERS AT EACH END OF THE CASING.