Vacuum cleaners
First Claim
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1. A VACUUM CLEANER COMPRISING:
- A GENERALLY CYLINDRICAL HOUSING CLOSED ON THE UPPER END AND FLARING TO AN ENLARGED OPENING ON THE UNDERSIDE;
AN ANNULAR, MOVING BRUSH DISPOSED WITHIN SAID OPENING IN A UNIFORMLY SPACED RELATIONSHIP TO THE PERIPHERY OF SAID OPENING;
AN ELECTRIC MOTOR CENTRALLY AND COAXIALLY DISPOSED WITHIN SAID HOUSING;
AN ECCENTRIC CRANK DRIVEN BY SAID MOTOR;
A GENERALLY FLAT, PERFORATED SLIDER OPERABLY CONNECTING SAID CRANK TO SAID MOVING BRUSH;
AN AIR IMPELLER ADDITIONALLY DRIVEN BY SAID MOTOR;
AN IMPELLER ANNULUS SURROUNDING SAID IMPELLER, A RESILIENT SUPPORTING MEMBER CONNECTING SAID BRUSH WITH SAID IMPELLER ANNULUS AND SO CONSTRUCTED AND ARRANGED THAT SAID ANNULUS IN COOPERATION WITH SAID RESILIENT BRUSH SUPPORTING MEMBER DIRECTS THE IMPELLER DISCHARGE TO THE INTERSECTION OF THE FLOOR AND SAID MOVING BRUSH;
AN ANNULAR, PAN-SHAPED DIRT RECEPTACLE COMPRISING TWO CONCENTRIC CYLINDRICAL WALLS CONNECTED BY A GENERALLY FLAT BOTTOM, THE TALLER AND INNERMOST OF THE WALLS B EING PERFORATED AND COVERED WITH A FILTRATION MATERIAL, SAID DIRT RECEPTACLE BEING DISPOSED WITHIN SAID HOUSING IN A SPACED RELATIONSHIP FORMING A CIRCULAR AIR PASSAGE FROM THE EXTERIOR OF SAID MOVING BRUSH INTO SAID RECEPTACLE AND A SECOND CIRCULAR AIR PASSAGE FROM THE PERFORATED WALL OF SAID DIRT RECEPTACLE TO THE INLET OF SAID AIR IMPELLER;
WHEREBY THE AIR IMPELLER DISCHARGE IS DIRECTED TO THE CLEANING AREA AT THE INTERSECTION OF THE FLOOR AND SAID MOVING BRUSH, DIRT LADEN AIR IS DRAWN FROM THE CLEANING AREA INTO SAID DIRT RECEPTACLE, AND THE FILTERED AIR IS REDIRECTED THROUGH SAID IMPELLER TO THE CLEANING AREA AGAIN IN A CLOSED-CYCLE CIRCULATION PATH.
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Accused Products
7 Citations
1 Claim
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1. A VACUUM CLEANER COMPRISING:
- A GENERALLY CYLINDRICAL HOUSING CLOSED ON THE UPPER END AND FLARING TO AN ENLARGED OPENING ON THE UNDERSIDE;
AN ANNULAR, MOVING BRUSH DISPOSED WITHIN SAID OPENING IN A UNIFORMLY SPACED RELATIONSHIP TO THE PERIPHERY OF SAID OPENING;
AN ELECTRIC MOTOR CENTRALLY AND COAXIALLY DISPOSED WITHIN SAID HOUSING;
AN ECCENTRIC CRANK DRIVEN BY SAID MOTOR;
A GENERALLY FLAT, PERFORATED SLIDER OPERABLY CONNECTING SAID CRANK TO SAID MOVING BRUSH;
AN AIR IMPELLER ADDITIONALLY DRIVEN BY SAID MOTOR;
AN IMPELLER ANNULUS SURROUNDING SAID IMPELLER, A RESILIENT SUPPORTING MEMBER CONNECTING SAID BRUSH WITH SAID IMPELLER ANNULUS AND SO CONSTRUCTED AND ARRANGED THAT SAID ANNULUS IN COOPERATION WITH SAID RESILIENT BRUSH SUPPORTING MEMBER DIRECTS THE IMPELLER DISCHARGE TO THE INTERSECTION OF THE FLOOR AND SAID MOVING BRUSH;
AN ANNULAR, PAN-SHAPED DIRT RECEPTACLE COMPRISING TWO CONCENTRIC CYLINDRICAL WALLS CONNECTED BY A GENERALLY FLAT BOTTOM, THE TALLER AND INNERMOST OF THE WALLS B EING PERFORATED AND COVERED WITH A FILTRATION MATERIAL, SAID DIRT RECEPTACLE BEING DISPOSED WITHIN SAID HOUSING IN A SPACED RELATIONSHIP FORMING A CIRCULAR AIR PASSAGE FROM THE EXTERIOR OF SAID MOVING BRUSH INTO SAID RECEPTACLE AND A SECOND CIRCULAR AIR PASSAGE FROM THE PERFORATED WALL OF SAID DIRT RECEPTACLE TO THE INLET OF SAID AIR IMPELLER;
WHEREBY THE AIR IMPELLER DISCHARGE IS DIRECTED TO THE CLEANING AREA AT THE INTERSECTION OF THE FLOOR AND SAID MOVING BRUSH, DIRT LADEN AIR IS DRAWN FROM THE CLEANING AREA INTO SAID DIRT RECEPTACLE, AND THE FILTERED AIR IS REDIRECTED THROUGH SAID IMPELLER TO THE CLEANING AREA AGAIN IN A CLOSED-CYCLE CIRCULATION PATH.
- A GENERALLY CYLINDRICAL HOUSING CLOSED ON THE UPPER END AND FLARING TO AN ENLARGED OPENING ON THE UNDERSIDE;
Specification
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Current AssigneeJack V. Miller
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Original AssigneeJack V. Miller
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InventorsMiller, Jack V.
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Application NumberUS04/359,337Time in Patent Office806 DaysField of SearchUS Class Current15/331CPC Class CodesA47L 5/14 cleaning by blowing-off, al...
