| Patent Number |
Title Of Patent |
Date Issued |
| D457696 |
Vacuum cleaning tool |
May 21, 2002 |
|
| D312904 |
Vacuum cleaner nozzle |
December 11, 1990 |
|
| D306789 |
Brush-type suction nozzle |
March 20, 1990 |
|
| D283066 |
Top portion for a canister-type suction apparatus |
March 18, 1986 |
|
| D283065 |
Top portion for a canister-type suction apparatus |
March 18, 1986 |
|
| D277325 |
Vacuum cleaner |
January 22, 1985 |
|
| 7316050 |
Vacuum cleaning tool having an exchangeable attachment |
January 8, 2008 |
| A cleaning tool for a vacuum cleaning device has a housing and a motor arranged in the housing. A tool carrier and a rotatingly driven working tool are provided. The working tool has two ends rotatably supported in the tool carrier. The tool carrier and the working tool form a changing |
| 7246410 |
Vacuum cleaning tool having an air turbine with stabilizing air stream |
July 24, 2007 |
| A vacuum cleaning tool has a housing having a turbine chamber and a bottom plate. A working tool is rotatably supported in the housing. An air turbine for driving the working tool is arranged in the turbine chamber and has axial end faces defining a gap relative to the chamber sidewalls. |
| 7246408 |
Cleaning tool with rotatably driven working tool |
July 24, 2007 |
| A cleaning tool for a vacuum cleaning device has a housing having a bottom plate with a working slot. A rotatingly driven working tool is rotatably supported in the housing and passes through the working slot to act on a surface to be cleaned. A motor is arranged in the housing and has a |
| 6813809 |
Vacuum cleaning tool with rotating brush roller |
November 9, 2004 |
| A vacuum cleaning tool of a vacuum cleaning device has a housing with a turbine chamber and a working chamber. The housing has a suction slot extending transversely in the vacuum cleaning tool. A suction airflow generated by the vacuum cleaning device enters the working chamber via the |
| 6615445 |
Vacuum cleaning tool with direct flow turbine |
September 9, 2003 |
| A vacuum cleaning tool has a housing with a brush chamber and a turbine chamber. A vacuum connector is connected to the housing remote from the brush chamber and has an outlet window. A working roller is arranged in the brush chamber and driven by an air turbine in the turbine chamber. T |
| 6550099 |
Vacuum cleaning tool with exchangeable vacuum shoes |
April 22, 2003 |
| A vacuum cleaning tool for a vacuum cleaning device has a housing having a vacuum connector connected to the vacuum cleaning device. The housing has an underside and an elongate intake opening arranged in the underside. A brush roll is arranged in the housing parallel to the elongate int |
| 6484356 |
Vacuum cleaning tool with pear-shaped turbine chamber |
November 26, 2002 |
| A vacuum cleaning tool has a housing with a brush chamber and a turbine chamber. A vacuum connector is connected to the housing remote from the brush chamber. A brush roller is arranged in the brush chamber and an air turbine is arranged in the turbine chamber for driving the brush rolle |
| 6477735 |
Vacuum cleaning tool with an outlet ramp |
November 12, 2002 |
| A vacuum cleaning tool has a housing with a partition dividing an interior of the housing into a brush chamber and a turbine chamber. A vacuum connector is connected to the housing remote from the brush chamber. A working roller is arranged in the brush chamber. An air turbine is arr |
| 5950275 |
Vacuum cleaning tool for a vacuum cleaning apparatus |
September 14, 1999 |
| A vacuum cleaning tool having a housing that includes a connector for a vacuum hose of a vacuum cleaning apparatus is provided. Disposed in a brush chamber of the housing is a brush roller, the bristles of which project through a vacuum slot formed in the base plate of the housing. The |
| 5039133 |
Suction nozzle coupling having rotatably mounted therein a connector for a suction hose |
August 13, 1991 |
| A coupling of a suction nozzle, with a connector of a suction hose of a vacuum cleaner being rotatably mounted in the coupling, whereby the connector, on an end thereof that faces the suction nozzle, is provided with a larger diameter flange that for the axial fixation and rotatable |
| 5035154 |
Adjustment mechanism for a friction drive unit |
July 30, 1991 |
| An adjustment mechanism for a friction drive unit. To adjust the contact pressure between the friction wheel and a cooperating wheel of the friction drive unit, one of these wheels is mounted on a lever that is pivotable about a pivot axis. A cam that applies the contact pressure res |
| 5014386 |
Suction nozzle, with a brush, for a vacuum cleaner |
May 14, 1991 |
| A suction nozzle for a vacuum cleaner, including a brush that is disposed in the suction nozzle and is driven by a battery-powered electric motor. The suction nozzle is in flow communication with the vacuum cleaner via a suction hose. The suction nozzle is provided with a shaft for guidi |
| 5008973 |
Multi-purpose suction nozzle |
April 23, 1991 |
| A multi-purpose suction nozzle, for a vacuum cleaner, for cleaning different types of surfaces, such as hard smooth surfaces, textile floor coverings, and upholstery, whereby the suction nozzle is detachably connected to a suction hose of the vacuum cleaner via a pivotably mounted co |
| 4827558 |
Vacuum conduit arrangement for a central dust-collecting system |
May 9, 1989 |
| A vacuum conduit arrangement for use with a central dust-collecting system that is provided in a building. The arrangement includes vacuum conduits that are interconnected by couplings. The arrangement further includes at least one connector for a vacuum hose of a cleaning apparatus. The |
| 4776059 |
Vacuum-cleaning apparatus |
October 11, 1988 |
| A vacuum-cleaning apparatus for cleaning furniture or the like, especially upholstered furniture, upholstered vehicle seats, etc. The apparatus is connected via a vacuum conduit to a vacuum-cleaning unit. A first vacuum nozzle is provided with a brush and includes a housing having an int |
| 4749389 |
Method and apparatus for humidifying and purifying the air of a room |
June 7, 1988 |
| An apparatus for humidifying and purifying the air of a room. The apparatus has a water supply tank with a cover in which is mounted a motor. Disposed on the motor shaft is a fan wheel for generating a flow of air through the housing, a fan wheel for cooling the motor, and a pump tube. W |
| 4537424 |
Cleaning apparatus |
August 27, 1985 |
| A cleaning apparatus, especially a suction nozzle, for a vacuum cleaner. The apparatus has a joint pan connected with an apparatus housing, and a joint head connected with an apparatus connecting piece for a handle of the vacuum cleaner. The joint parts are parts of a joint, especially a |
| 4517705 |
Suction device for cleaning textile floor coverings |
May 21, 1985 |
| A suction device for cleaning textile floor coverings comprising a base member, a central housing, and a cover. A brushing device is detachably mounted closely adjacent to the base member. The base member has a tubular stub receiving a flexibly supported suction air connector sleeve of t |
| 4394606 |
Speed control circuit for electric motor |
July 19, 1983 |
| Disclosed is an apparatus for controlling the rotational speed of an electric motor based upon the load encountered by the electric motor. A load sensor provides a voltage level based upon the operating load of the electric motor and accumulates this voltage in accordance with the cycle |
| 4209872 |
Cleaning implement |
July 1, 1980 |
| A cleaning element, particularly a brush for incorporation in a vacuum cleaner nozzle, has a shaft with bristles which shaft has its ends journalled in the housing of a cleaning implement by means of bearings and shock absorbers. In order to give a compact construction and to reduce the |
| 4173807 |
Cleaning implement |
November 13, 1979 |
| A cleaning implement, especially vacuum cleaner, with a brush for incorporation in a vacuum cleaner nozzle, which has a shaft with bristles mounted at its ends in bearings in an implement housing. In order to restrict penetration of hairs and like foreign bodies, picked up by the bri |
