US20050115014A1 - Cleaning Tool for Floor Surfaces Having an Illumination Element for a Working Area - Google Patents
Cleaning Tool for Floor Surfaces Having an Illumination Element for a Working Area Download PDFInfo
- Publication number
- US20050115014A1 US20050115014A1 US10/904,522 US90452204A US2005115014A1 US 20050115014 A1 US20050115014 A1 US 20050115014A1 US 90452204 A US90452204 A US 90452204A US 2005115014 A1 US2005115014 A1 US 2005115014A1
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- US
- United States
- Prior art keywords
- cleaning tool
- vacuum cleaning
- tool according
- housing
- receptacle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2857—User input or output elements for control, e.g. buttons, switches or displays
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2836—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means characterised by the parts which are controlled
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/30—Arrangement of illuminating devices
Definitions
- the invention relates to a cleaning tool for floor surfaces, upholstery surfaces or the like, in particular, a vacuum cleaning tool for vacuum cleaning devices such as a vacuum cleaner.
- the cleaning tool is comprised of a housing having a working chamber whose bottom plate comprises a suction slot that extends transversely to the working direction of the cleaning tool and is designed for taking up dirt.
- the cleaning tool further comprises a forwardly facing housing end wall provided with a receptacle for an illumination element for illuminating the surface to be cleaned, wherein the illumination element is arranged behind a light-permeable cover.
- the illumination element is a cold light emitting cold light lamp.
- the illumination element is a cold light lamp that emits cold light and therefore has only minimal heat development. In this way, it becomes possible to arrange the cold light lamp in a substantially closed housing so that soiling by means of dirt particles or dust particles entrained in the sucked-in vacuum flow is prevented.
- the cold light lamp is resistant to strong mechanical impacts because no filament is present. Despite of this, it provides a bright glistening light that ensures a uniform strong illumination of the working area.
- the cold light lamp is a cold cathode lamp that has a rod-shaped basic form and ensures, when arranged transversely to the working direction, an excellent illumination of the working area across the working width. It can also be expedient to provide the cold light lamp in the form of several ultra bright LEDs (light emitting diodes) wherein the LEDs have a luminous power of at least 2,000 mcd (millicandela), preferably more than 5,000 mcd, and have a radiation angle of 20 degrees to 30 degrees.
- ultra bright LEDs light emitting diodes
- the cold light lamp is arranged on a printed circuit board support and the printed circuit board support together with a casing and a cover that is advantageously embodied as a lens form a module.
- the module is secured expediently by locking (snap) elements in the receptacle and the electrical connection is provided in particular by contact elements that extend expediently through the back wall of the receptacle and contact in the housing an electrical voltage connector.
- the contact elements and the voltage connector are advantageously designed as a plug connection wherein one part of the plug connection is provided at the printed circuit board support and the other part of the plug connection is arranged behind the back wall in the housing.
- the illumination module is therefore secured mechanically safely within the receptacle of the housing by means of the snap connection as well as by means of the plug connection.
- brush rollers are supported at their ends by means of substantially circular disk shaped support plates in the housing wherein the bearing shaft ends of the brush roller engage the support plates and the support plates, in turn, are received in a substantially rectangular bearing receptacle of the housing.
- the width of the bearing receptacle is matched approximately to the diameter of the support plate.
- the bearing plate is comprised of an elastic material, preferably of a soft-elastic material, particularly rubber, so that the manufacturing and mounting tolerances can be compensated easily without this having an effect on the support action of the brush roller.
- the vacuum connector is provided with a housing section through which an electrical connecting cable can be supplied.
- the connecting cable is in particular guided in the pivot axis of the vacuum connector for which purpose bearing pins of the vacuum connector are hollow, in particular, they are configured as tubular pins. The cable can thus be guided through the bearing pins directly into the housing or the motor chamber of the housing in order to be connected to a connector module.
- FIG. 1 is a perspective view onto the cleaning tool according to the invention in a configuration as a vacuum cleaning tool for a vacuum cleaner or the like.
- FIG. 2 is a view according to FIG. 1 with the illumination module being removed.
- FIG. 3 is a perspective rear view of the illumination module.
- FIG. 4 is a perspective view of the illumination module according to FIG. 3 in a view from the front.
- FIG. 5 is a perspective view of a printed circuit board support with illumination element.
- FIG. 6 is a detail view of the cleaning tool according to FIG. 1 with removed top cover and demounted drive unit.
- FIG. 7 is a perspective view of the cleaning tool according to FIG. 1 with removed top cover.
- FIG. 8 is a detail view of a belt drive for driving a brush roller arranged in the cleaning tool.
- FIG. 9 shows in a schematic illustration the belt drive according to FIG. 8 .
- FIG. 10 is a detail view of the bottom part with a bearing receptacle provided in the sidewall.
- FIG. 11 is a view of an end of the brush roller with slipped-on support plate.
- FIG. 12 is a view according to FIG. 10 with a support plate arranged in the bearing receptacle.
- FIG. 13 is a perspective rear view of the bottom part of the housing.
- FIG. 14 is a perspective view of a vacuum connector socket.
- the cleaning tool for floor surfaces, upholstery surfaces or the like is configured as a vacuum cleaning tool for a vacuum cleaning device such as a vacuum cleaner. It is comprised of, as shown in FIGS. 1 and 2 , of a two-part housing 1 with a top cover 2 and a bottom part 3 .
- FIGS. 6 through 8 show that a working chamber 4 is provided in the housing 1 and a brush roller 5 is arranged in the working chamber 4 and driven so as to rotate about an axis of rotation 6 .
- the drive action is realized by a belt drive 7 that, in the illustrated embodiment, is driven by a drive motor 8 .
- the drive motor 8 is part of a drive unit 9 that can be inserted as a module into the motor chamber 10 of the housing 1 .
- the motor chamber 10 is separated from the working chamber 4 wherein the working chamber 4 in the illustrated embodiment is connected by a vacuum connector 11 to a vacuum cleaning device.
- the connection between the working chamber 4 and the vacuum connector 11 is realized by a vacuum opening 12 that is provided in the partition between the motor chamber 10 and the working chamber 4 .
- a channel extending underneath the drive unit 9 to the vacuum connector 11 adjoins the opening 12 .
- a suction slot 14 is formed which extends transversely to the working direction 15 essentially across the entire width of the working chamber 4 .
- the width of the working chamber 4 corresponds approximately to the width of the vacuum cleaning tool or the width of its housing 1 .
- the housing 1 of the vacuum cleaning tool glides with front rollers 16 and rear rollers 17 on the surface to be cleaned wherein the housing 1 has an end face or front wall 18 facing in the working direction 15 on which an illumination module 22 for illuminating the surface to be cleaned is arranged.
- the illumination module 22 is arranged in a receptacle 19 ( FIG. 2 ) of the housing 1 wherein the receptacle 19 is arranged above the working chamber 4 and is integrated into the housing 1 or its top cover 2 .
- the top cover 2 has a part-circular central section 21 that delimits the motor chamber 10 for the drive unit 9 and covers the working chamber 4 in a central area at least partially.
- the central section 21 transversely to the working direction 15 , is narrower than the bottom part 3 so that the vacuum cleaning tool in a plan view is of a substantially T-shaped configuration.
- the receptacle 19 for the illumination module 22 is essentially provided in the central section 21 and has a width that matches the width of the central section 21 transversely to the working direction 15 .
- the receptacle 19 as illustrated in FIG. 2 , has a substantially triangular cross-section whose base is open for insertion of the illumination module 22 .
- the illumination module 22 is comprised of a casing 23 that has a triangular cross-sectional shape ( FIG. 3 ) matching that of the receptacle 19 .
- a printed circuit board support 25 ( FIG. 5 ) with an illumination element 20 is arranged on the back wall 24 of the housing 23 .
- the casing 23 is closed in the forward direction by a light permeable cover 26 that is preferably designed as an optical lens.
- the cover 26 forms approximately the hypothenuse of the casing 23 that is approximately triangular in cross-section and has a slightly convexly curved outer side wherein the cover 26 is positioned at an angle of approximately 30 degrees up to 60 degrees, preferably approximately 45 degrees, relative to the bottom plate 13 of the bottom part 3 or relative to the surface to be cleaned.
- the illumination element 20 , the printed circuit board support 25 , the casing 23 , and the cover 26 together form a common illumination module 22 that can be inserted into the receptacle 19 .
- the cover 26 in the mounted state of the module 22 is positioned approximately in the plane of the central section 21 so that no edges, recesses or projections are formed.
- the casing 23 is secured by locking or snap elements 27 in the receptacle 19 wherein the snap elements 27 in the illustrated embodiment are formed by locking recesses in the sidewalls of the casing 23 .
- Counter locking elements 28 on the walls of the receptacle 19 ensure a save securing action for the illumination module 22 in the housing 1 of the cleaning tool.
- the illumination element 20 is a cold light lamp, in particular, a cold cathode lamp 30 .
- the tubular illumination body 29 of the cold cathode lamp 30 extends transversely to the working direction 15 preferably essentially across the entire width of the casing 23 so that an excellent light distribution is provided.
- Cold cathode lamps are connectable in a simple way to the supply voltage of the electrical drive motor 8 and do not require any complex ballast. When switching on the supply voltage, a illumination is immediately provided by the cold cathode lamp. A flickering, flash-like initial illumination as it is known from neon lights does not occur.
- appropriately selected resistors 31 can be used which, as illustrated in FIG. 3 , can be positioned in the openings of the back wall 24 of the casing 23 .
- the cold light lamp 20 in the form of several ultra-bright LEDs 32 that have a luminous power of at least 2,000 mcd, preferably more than 5,000 mcd, and have a radiation angle of advantageously approximately 20 degrees to 30 degrees.
- the cover 26 is an optical lens like a Fresnel lens.
- the side of the lens from which the light is emitted can be provided with a plurality of curved ribs 33 that extend approximately in the working direction 15 .
- the curvature of the ribs 33 is selected such that their focal point distance is identical. In this way, excellent diffusion of the light source arranged behind the cover 26 is provided with uniform illumination of the working area.
- the electrical connection of the illumination element 20 is realized preferably by contact elements 34 that project from the back wall 24 of the casing 23 and pass through appropriate slots 35 in the back wall 36 of the receptacle 19 .
- an electrical voltage connector 37 FIG. 7
- the contact elements and the voltage connector 37 provide a plug connection comprised of plug 38 and socket 39 wherein one part of the plug connection, in the embodiment the plug 38 , is fastened on the printed circuit board support 25 and the other part of the plug connection, in the embodiment the socket 39 , is provided behind the back wall 36 of the receptacle 19 in the motor chamber 10 of the housing 1 .
- the plug connection i.e., the sockets 39 of the plug connection
- the drive unit 9 that comprises the motor 10 for driving the brush roller 5 arranged rotatably in the working chamber 4 as well as starter module 82 ( FIG. 13 ).
- the motor shaft 40 of the drive motor 8 is connected by a coupling 41 to the drive shaft 42 of the belt drive 7 in a torque-transmitting way.
- the coupling 41 is configured as a claw-type plug coupling and realizes a cardan-type connection because the coupling elements 43 and 44 engage one another with minimal radial and/or axial play.
- the drive shaft 42 is secured by means of a support disk 45 in an intermediate wall or partition 46 of the housing 1 wherein the free end of the drive shaft 42 supports a pulley 47 .
- An endless belt in particular, in the form of a toothed belt 48 , is arranged on the pulley 47 and drives the pulley 49 ( FIG. 9 ) secured on the base member of the brush roller 5 .
- the brush roller 5 is rotatably secured at its ends 50 and 51 by means of a support plate 52 , respectively, in the bottom part 3 of the housing 1 .
- a bearing shaft end 53 of the brush roller 5 engages the bearing opening 54 of the support plate 52 .
- the support plate 52 is inserted into a bearing receptacle 60 .
- the bearing receptacle 60 is configured in cross-section as a box that is opened toward the partition plane 70 (plane where the top cover 2 and the bottom part 3 meet) of the housing 1 and has a substantially rectangular configuration.
- the bearing box (receptacle) is open toward the working chamber 4 , preferably completely open, so that the receptacle 60 is embodied similar to a rail into which the support plate 52 is to be inserted.
- the bearing plate 52 is a circular disk-shaped plate, in particular, circular plate or circular disk, which is inserted into the receptacle 60 that is open toward the partition plane 70 .
- the wall of the bearing receptacle 60 is delimited by ribs 61 wherein the support plate 52 rests exclusively on the rib surfaces 62 .
- the bearing plate 52 is exposed.
- the bearing receptacle 60 is delimited in the working direction 15 by outer wall ribs 64 and 65 that are positioned approximately perpendicularly to the partition plane 70 and extend from the housing sidewall in the direction toward the working chamber 4 .
- the bearing receptacle 60 is open toward the working chamber 4 so that the bearing plate, compare FIG. 12 , is secured between the outer ribs 64 and 65 and is supported in the axial direction toward the housing sidewall by the ribs 61 .
- the support plate 52 is secured by the brush member of the brush roller 5 .
- the bottom 67 of the bearing receptacle 60 is defined by means of the bottom ribs 68 having different height and is matched to the circumferential geometry of the support plate 52 so that, as illustrated in FIG. 12 , the support plate 52 is supported about its circumference 55 on the end faces 69 of the bottom ribs 68 .
- the support plate 52 is formed of an elastic material so that dimensional tolerances can be easily compensated by the elasticity of the support plate 52 .
- the spacing 66 of the outer ribs 64 and 65 of the bearing receptacle 60 is sized such that it corresponds approximately to the outer diameter 56 of the circular support plate 52 .
- the spacing 66 is somewhat smaller than the spacing 56 so that a clamping securing action of the support plate 52 in the bearing receptacle 60 can be obtained.
- FIGS. 13 and 14 show the supply of electrical energy into the housing 1 of the cleaning tool.
- an electric plug coupling 80 an external supply cable is connected.
- the plug coupling 80 itself is electrically connected by means of an inner cable 81 to a starter module 82 of the drive unit 9 .
- the cable 81 extends outside of the tubular vacuum connector 11 in a housing section 83 that is positioned above the vacuum channel 84 .
- the housing section 83 is provided with lateral bearing pins 85 with which the vacuum connector 11 is secured in the bearing forks 86 of the bottom part 3 of the housing 1 .
- the cable 81 is guided from the plug coupling 80 through the housing section 83 and the tubular bearing pins 85 within the pivot axis 87 of the vacuum connector 11 into the motor chamber 10 of the housing 1 and is connected therein to the connector/starter module 82 .
- the connector module 82 is supplemented by an electronic unit 9 which, for example, by means of an infrared light barrier 91 , determines the dirt load of the vacuum flow entering via the vacuum opening 12 and displays the dirt load value by means of corresponding diodes 92 (green, yellow, red) provided in the top cover 2 of the housing 1 .
Abstract
A vacuum cleaning tool for a vacuum cleaning device has a housing with a working chamber that has a bottom plate provided with a suction slot extending transversely to a working direction of the vacuum cleaning tool. The housing has a housing front wall facing in the working direction. The housing front wall has a receptacle, and an illumination element is arranged in the receptacle for illuminating a working surface of the vacuum cleaning tool. A light-permeable cover closes off the receptacle and covers the illumination element. The illumination element is a cold light lamp emitting cold light.
Description
- The invention relates to a cleaning tool for floor surfaces, upholstery surfaces or the like, in particular, a vacuum cleaning tool for vacuum cleaning devices such as a vacuum cleaner. The cleaning tool is comprised of a housing having a working chamber whose bottom plate comprises a suction slot that extends transversely to the working direction of the cleaning tool and is designed for taking up dirt. The cleaning tool further comprises a forwardly facing housing end wall provided with a receptacle for an illumination element for illuminating the surface to be cleaned, wherein the illumination element is arranged behind a light-permeable cover.
- Such a vacuum cleaning tool is disclosed in U.S. Pat. No. 5,896,618. This patent proposes to arrange a rod-shaped incandescent lamp at the housing end face of the cleaning tool for providing a sufficient illumination of the working area. The rod-shaped incandescent lamp is exposed to high mechanical loads because it is provided on the end face of the housing that is exposed to mechanical loads by impact so that the lamp filament has the tendency to break. Also, a sufficient dissipation of thermal energy must be provided which is effected by a branched-off flow portion of the sucked-in air. In this connection, it cannot be prevented that the illumination body (incandescent lamp) will become soiled.
- It is an object of the present invention to provide a cleaning tool for floor surfaces with a working area illumination that, on the one hand, ensures a bright uniform illumination of the working area and, on the other hand, provides high mechanical load resistance.
- In accordance with the present invention, this is achieved in that the illumination element is a cold light emitting cold light lamp.
- The illumination element is a cold light lamp that emits cold light and therefore has only minimal heat development. In this way, it becomes possible to arrange the cold light lamp in a substantially closed housing so that soiling by means of dirt particles or dust particles entrained in the sucked-in vacuum flow is prevented. The cold light lamp is resistant to strong mechanical impacts because no filament is present. Despite of this, it provides a bright glistening light that ensures a uniform strong illumination of the working area.
- Preferably, the cold light lamp is a cold cathode lamp that has a rod-shaped basic form and ensures, when arranged transversely to the working direction, an excellent illumination of the working area across the working width. It can also be expedient to provide the cold light lamp in the form of several ultra bright LEDs (light emitting diodes) wherein the LEDs have a luminous power of at least 2,000 mcd (millicandela), preferably more than 5,000 mcd, and have a radiation angle of 20 degrees to 30 degrees.
- In a preferred embodiment, the cold light lamp is arranged on a printed circuit board support and the printed circuit board support together with a casing and a cover that is advantageously embodied as a lens form a module. In this way, when mounting the lamp as well as in a maintenance situation, a simply exchange of the defective cold light lamp can be realized. For this purpose, the module is secured expediently by locking (snap) elements in the receptacle and the electrical connection is provided in particular by contact elements that extend expediently through the back wall of the receptacle and contact in the housing an electrical voltage connector. In this connection, the contact elements and the voltage connector are advantageously designed as a plug connection wherein one part of the plug connection is provided at the printed circuit board support and the other part of the plug connection is arranged behind the back wall in the housing. The illumination module is therefore secured mechanically safely within the receptacle of the housing by means of the snap connection as well as by means of the plug connection.
- According to another aspect of the invention, it is proposed for compensation of alignment errors to provide between the motor shaft of an electrical drive motor and the drive shaft of a belt drive a cardan-type connection by means of a coupling wherein the coupling is configured like a claw coupling whose coupling elements engage one another with minimal radial and/or axial play. Without great constructive expenditure, mounting tolerances as well as alignment errors can be compensated by enabling corresponding radial and/or axial play.
- According to a further independent aspect of the invention, it is provided that brush rollers are supported at their ends by means of substantially circular disk shaped support plates in the housing wherein the bearing shaft ends of the brush roller engage the support plates and the support plates, in turn, are received in a substantially rectangular bearing receptacle of the housing. In this connection, the width of the bearing receptacle is matched approximately to the diameter of the support plate.
- In a preferred embodiment, the bearing plate is comprised of an elastic material, preferably of a soft-elastic material, particularly rubber, so that the manufacturing and mounting tolerances can be compensated easily without this having an effect on the support action of the brush roller.
- In order to ensure a safe securing action of the support plate in the bearing receptacle, it can be advantageous to match the bottom of the bearing receptacle to the circumferential geometry of the support plate. A simple electrical cable routing is achieved in that the vacuum connector is provided with a housing section through which an electrical connecting cable can be supplied. The connecting cable is in particular guided in the pivot axis of the vacuum connector for which purpose bearing pins of the vacuum connector are hollow, in particular, they are configured as tubular pins. The cable can thus be guided through the bearing pins directly into the housing or the motor chamber of the housing in order to be connected to a connector module.
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FIG. 1 is a perspective view onto the cleaning tool according to the invention in a configuration as a vacuum cleaning tool for a vacuum cleaner or the like. -
FIG. 2 is a view according toFIG. 1 with the illumination module being removed. -
FIG. 3 is a perspective rear view of the illumination module. -
FIG. 4 is a perspective view of the illumination module according toFIG. 3 in a view from the front. -
FIG. 5 is a perspective view of a printed circuit board support with illumination element. -
FIG. 6 is a detail view of the cleaning tool according toFIG. 1 with removed top cover and demounted drive unit. -
FIG. 7 is a perspective view of the cleaning tool according toFIG. 1 with removed top cover. -
FIG. 8 is a detail view of a belt drive for driving a brush roller arranged in the cleaning tool. -
FIG. 9 shows in a schematic illustration the belt drive according toFIG. 8 . -
FIG. 10 is a detail view of the bottom part with a bearing receptacle provided in the sidewall. -
FIG. 11 is a view of an end of the brush roller with slipped-on support plate. -
FIG. 12 is a view according toFIG. 10 with a support plate arranged in the bearing receptacle. -
FIG. 13 is a perspective rear view of the bottom part of the housing. -
FIG. 14 is a perspective view of a vacuum connector socket. - The cleaning tool for floor surfaces, upholstery surfaces or the like, as illustrated in the drawings, is configured as a vacuum cleaning tool for a vacuum cleaning device such as a vacuum cleaner. It is comprised of, as shown in
FIGS. 1 and 2 , of a two-part housing 1 with atop cover 2 and abottom part 3.FIGS. 6 through 8 show that a workingchamber 4 is provided in thehousing 1 and abrush roller 5 is arranged in theworking chamber 4 and driven so as to rotate about an axis ofrotation 6. The drive action is realized by abelt drive 7 that, in the illustrated embodiment, is driven by adrive motor 8. Thedrive motor 8 is part of adrive unit 9 that can be inserted as a module into themotor chamber 10 of thehousing 1. Themotor chamber 10 is separated from theworking chamber 4 wherein theworking chamber 4 in the illustrated embodiment is connected by avacuum connector 11 to a vacuum cleaning device. The connection between theworking chamber 4 and thevacuum connector 11 is realized by avacuum opening 12 that is provided in the partition between themotor chamber 10 and theworking chamber 4. A channel extending underneath thedrive unit 9 to thevacuum connector 11 adjoins theopening 12. - As illustrated in
FIGS. 10 and 12 , in thebottom plate 13 of the working chamber 4 asuction slot 14 is formed which extends transversely to the workingdirection 15 essentially across the entire width of theworking chamber 4. As illustrated in particular inFIG. 7 , the width of theworking chamber 4 corresponds approximately to the width of the vacuum cleaning tool or the width of itshousing 1. - The
housing 1 of the vacuum cleaning tool glides withfront rollers 16 andrear rollers 17 on the surface to be cleaned wherein thehousing 1 has an end face orfront wall 18 facing in the workingdirection 15 on which anillumination module 22 for illuminating the surface to be cleaned is arranged. - In the illustrated embodiment, the
illumination module 22 is arranged in a receptacle 19 (FIG. 2 ) of thehousing 1 wherein thereceptacle 19 is arranged above theworking chamber 4 and is integrated into thehousing 1 or itstop cover 2. Thetop cover 2 has a part-circularcentral section 21 that delimits themotor chamber 10 for thedrive unit 9 and covers theworking chamber 4 in a central area at least partially. Thecentral section 21, transversely to the workingdirection 15, is narrower than thebottom part 3 so that the vacuum cleaning tool in a plan view is of a substantially T-shaped configuration. - The
receptacle 19 for theillumination module 22 is essentially provided in thecentral section 21 and has a width that matches the width of thecentral section 21 transversely to the workingdirection 15. Thereceptacle 19, as illustrated inFIG. 2 , has a substantially triangular cross-section whose base is open for insertion of theillumination module 22. - The
illumination module 22, compare alsoFIGS. 3 through 6 , is comprised of acasing 23 that has a triangular cross-sectional shape (FIG. 3 ) matching that of thereceptacle 19. On theback wall 24 of thehousing 23, a printed circuit board support 25 (FIG. 5 ) with anillumination element 20 is arranged. Thecasing 23 is closed in the forward direction by a lightpermeable cover 26 that is preferably designed as an optical lens. Thecover 26 forms approximately the hypothenuse of thecasing 23 that is approximately triangular in cross-section and has a slightly convexly curved outer side wherein thecover 26 is positioned at an angle of approximately 30 degrees up to 60 degrees, preferably approximately 45 degrees, relative to thebottom plate 13 of thebottom part 3 or relative to the surface to be cleaned. Theillumination element 20, the printedcircuit board support 25, thecasing 23, and thecover 26 together form acommon illumination module 22 that can be inserted into thereceptacle 19. - As illustrated in
FIG. 1 , thecover 26 in the mounted state of themodule 22 is positioned approximately in the plane of thecentral section 21 so that no edges, recesses or projections are formed. Preferably, thecasing 23 is secured by locking or snapelements 27 in thereceptacle 19 wherein thesnap elements 27 in the illustrated embodiment are formed by locking recesses in the sidewalls of thecasing 23.Counter locking elements 28 on the walls of thereceptacle 19 ensure a save securing action for theillumination module 22 in thehousing 1 of the cleaning tool. - As illustrated in
FIG. 5 , theillumination element 20 is a cold light lamp, in particular, acold cathode lamp 30. Thetubular illumination body 29 of thecold cathode lamp 30 extends transversely to the workingdirection 15 preferably essentially across the entire width of thecasing 23 so that an excellent light distribution is provided. Cold cathode lamps are connectable in a simple way to the supply voltage of theelectrical drive motor 8 and do not require any complex ballast. When switching on the supply voltage, a illumination is immediately provided by the cold cathode lamp. A flickering, flash-like initial illumination as it is known from neon lights does not occur. For realizing a connection to the supply voltage, appropriately selectedresistors 31 can be used which, as illustrated inFIG. 3 , can be positioned in the openings of theback wall 24 of thecasing 23. - It can also be expedient to provide the
cold light lamp 20 in the form of severalultra-bright LEDs 32 that have a luminous power of at least 2,000 mcd, preferably more than 5,000 mcd, and have a radiation angle of advantageously approximately 20 degrees to 30 degrees. In order to ensure excellent light distribution, it is moreover provided that thecover 26 is an optical lens like a Fresnel lens. For example, the side of the lens from which the light is emitted can be provided with a plurality ofcurved ribs 33 that extend approximately in the workingdirection 15. The curvature of theribs 33 is selected such that their focal point distance is identical. In this way, excellent diffusion of the light source arranged behind thecover 26 is provided with uniform illumination of the working area. - The electrical connection of the
illumination element 20 is realized preferably bycontact elements 34 that project from theback wall 24 of thecasing 23 and pass throughappropriate slots 35 in theback wall 36 of thereceptacle 19. Behind theback wall 36 of thereceptacle 19, within themotor chamber 10 in thehousing 1 an electrical voltage connector 37 (FIG. 7 ) is provided with which thecontact elements 34 interact. Preferably, the contact elements and thevoltage connector 37 provide a plug connection comprised ofplug 38 andsocket 39 wherein one part of the plug connection, in the embodiment theplug 38, is fastened on the printedcircuit board support 25 and the other part of the plug connection, in the embodiment thesocket 39, is provided behind theback wall 36 of thereceptacle 19 in themotor chamber 10 of thehousing 1. - In the illustrated embodiment, the plug connection, i.e., the
sockets 39 of the plug connection, are provided on thedrive unit 9 that comprises themotor 10 for driving thebrush roller 5 arranged rotatably in the workingchamber 4 as well as starter module 82 (FIG. 13 ). - In an independent configuration of the invention (
FIGS. 6 through 9 ), themotor shaft 40 of thedrive motor 8 is connected by acoupling 41 to thedrive shaft 42 of thebelt drive 7 in a torque-transmitting way. Thecoupling 41 is configured as a claw-type plug coupling and realizes a cardan-type connection because thecoupling elements coupling 41, by means of the cardan-like connection realized by the claw coupling axial tolerances as well as possibly occurring axial displacements between themotor shaft 40 and thedrive shaft 42 can be compensated without constructive expenditure. - The
drive shaft 42 is secured by means of asupport disk 45 in an intermediate wall orpartition 46 of thehousing 1 wherein the free end of thedrive shaft 42 supports apulley 47. An endless belt, in particular, in the form of atoothed belt 48, is arranged on thepulley 47 and drives the pulley 49 (FIG. 9 ) secured on the base member of thebrush roller 5. - In another independent aspect of the present invention, the
brush roller 5 is rotatably secured at itsends support plate 52, respectively, in thebottom part 3 of thehousing 1. As illustrated inFIG. 9 , a bearingshaft end 53 of thebrush roller 5 engages the bearing opening 54 of thesupport plate 52. Thesupport plate 52 is inserted into a bearingreceptacle 60. The bearingreceptacle 60 is configured in cross-section as a box that is opened toward the partition plane 70 (plane where thetop cover 2 and thebottom part 3 meet) of thehousing 1 and has a substantially rectangular configuration. As illustrated inFIG. 10 , the bearing box (receptacle) is open toward the workingchamber 4, preferably completely open, so that thereceptacle 60 is embodied similar to a rail into which thesupport plate 52 is to be inserted. - Advantageously, the bearing
plate 52 is a circular disk-shaped plate, in particular, circular plate or circular disk, which is inserted into thereceptacle 60 that is open toward thepartition plane 70. As illustrated inFIGS. 10 and 12 , the wall of the bearingreceptacle 60 is delimited byribs 61 wherein thesupport plate 52 rests exclusively on the rib surfaces 62. In thegap 63 that is located between two neighboringribs 62, respectively, the bearingplate 52 is exposed. - The bearing
receptacle 60 is delimited in the workingdirection 15 byouter wall ribs partition plane 70 and extend from the housing sidewall in the direction toward the workingchamber 4. The bearingreceptacle 60 is open toward the workingchamber 4 so that the bearing plate, compareFIG. 12 , is secured between theouter ribs ribs 61. In the direction toward the workingchamber 4, thesupport plate 52 is secured by the brush member of thebrush roller 5. - Preferably, the bottom 67 of the bearing
receptacle 60 is defined by means of thebottom ribs 68 having different height and is matched to the circumferential geometry of thesupport plate 52 so that, as illustrated inFIG. 12 , thesupport plate 52 is supported about itscircumference 55 on the end faces 69 of thebottom ribs 68. - Preferably, the
support plate 52 is formed of an elastic material so that dimensional tolerances can be easily compensated by the elasticity of thesupport plate 52. In this connection, the spacing 66 of theouter ribs receptacle 60 is sized such that it corresponds approximately to theouter diameter 56 of thecircular support plate 52. Preferably, the spacing 66 is somewhat smaller than the spacing 56 so that a clamping securing action of thesupport plate 52 in the bearingreceptacle 60 can be obtained. -
FIGS. 13 and 14 show the supply of electrical energy into thehousing 1 of the cleaning tool. By means of anelectric plug coupling 80, an external supply cable is connected. Theplug coupling 80 itself is electrically connected by means of aninner cable 81 to astarter module 82 of thedrive unit 9. Thecable 81 extends outside of thetubular vacuum connector 11 in ahousing section 83 that is positioned above thevacuum channel 84. As illustrated inFIG. 14 , thehousing section 83 is provided with lateral bearing pins 85 with which thevacuum connector 11 is secured in the bearingforks 86 of thebottom part 3 of thehousing 1. Thecable 81 is guided from theplug coupling 80 through thehousing section 83 and the tubular bearing pins 85 within thepivot axis 87 of thevacuum connector 11 into themotor chamber 10 of thehousing 1 and is connected therein to the connector/starter module 82. - In the illustrated embodiment, the
connector module 82 is supplemented by anelectronic unit 9 which, for example, by means of aninfrared light barrier 91, determines the dirt load of the vacuum flow entering via thevacuum opening 12 and displays the dirt load value by means of corresponding diodes 92 (green, yellow, red) provided in thetop cover 2 of thehousing 1. - While specific embodiments of the invention have been shown and described in detail to illustrate the inventive principles, it will be understood that the invention may be embodied otherwise without departing from such principles.
Claims (18)
1. A vacuum cleaning tool for a vacuum cleaning device, the vacuum cleaning tool comprising:
a housing comprising a working chamber having a bottom plate provided with a suction slot extending transversely to a working direction of the vacuum cleaning tool;
wherein the housing further has a housing front wall facing in the working direction;
wherein the housing front wall has a receptacle;
an illumination element arranged in the receptacle for illuminating a working surface of the vacuum cleaning tool;
a light-permeable cover closing off the receptacle and covering the illumination element;
wherein the illumination element is a cold light lamp emitting cold light.
2. The vacuum cleaning tool according to claim 1 , wherein the cold light lamp is a cold cathode lamp.
3. The vacuum cleaning tool according to claim 1 , wherein the cold light lamp comprises several ultra bright light emitting diodes (LEDs) having a luminous power of at least 2,000 millicandela.
4. The vacuum cleaning tool according to claim 1 , wherein the luminous power is greater than 5,000 millicandela.
5. The vacuum cleaning tool according to claim 1 , further comprising:
a printed circuit board support, wherein the cold light lamp is mounted on the printed circuit board support;
a casing in which the printed circuit board support with the cold light lamp mounted thereon is arranged;
wherein the cover, the casing, and the printed circuit board support with the cold light lamp form an illumination module.
6. The vacuum cleaning tool according to claim 5 , wherein the cover is an optical lens.
7. The vacuum cleaning tool according to claim 5 , wherein the illumination module has locking elements and the receptacle has counter locking elements, wherein the locking elements and the counter locking elements interact for securing the illumination module in the receptacle.
8. The vacuum cleaning tool according to claim 5 , wherein the illumination module has electrical contact elements connected to the illumination element, wherein the electrical contact elements penetrate a back wall of the receptacle and project into the housing where the electrical contact elements contact a voltage connector.
9. The vacuum cleaning tool according to claim 8 , wherein the contact elements and the voltage connector form a plug connection comprised of a plug and a socket, wherein one of the plug and the socket is arranged on the printed circuit board support and the other of the plug and the socket is arranged behind the back wall of the receptacle in the housing, viewed in direction of insertion of the illumination module into the receptacle.
10. The vacuum cleaning tool according to claim 8 , further comprising a drive unit arranged in a motor chamber of the housing, wherein the drive unit has a drive motor for driving in rotation a brush roller arranged in the working chamber, wherein the voltage connector is provided on the drive unit.
11. The vacuum cleaning tool according to claim 10 , further comprising a belt drive having a drive shaft connected by a coupling to a motor shaft of the drive motor so that torque is transmitted onto the drive shaft, wherein the coupling is a cardan-type coupling.
12. The vacuum cleaning tool according to claim 11 , wherein the coupling is a claw coupling having coupling elements engaging one another with minimal radial play or minimal axial play or both minimal radial and axial play.
13. The vacuum cleaning tool according to claim 10 , further comprising a vacuum connector that is connected to a housing section of the housing and is pivotable about a pivot axis, wherein an electrical supply cable for supplying electric power to the vacuum cleaning tool is guided through the housing section and the pivot axis into the motor chamber.
14. The vacuum cleaning tool according to claim 1 , further comprising a brush roller arranged in the working chamber, wherein the brush roller has ends that are rotatably supported in a bearing, respectively, wherein the bearings each are comprised of a substantially circular disk-shaped support plate and a bearing shaft end provided on the ends of the brush roller, respectively, wherein the bearing shaft ends engage the support plates, wherein the housing has substantially rectangular bearing receptacles and the support plates are inserted into the bearing receptacles, wherein a width of the bearing receptacles matches approximately a diameter of the support plates.
15. The vacuum cleaning tool according to claim 14 , wherein the support plates are comprised of an elastic material.
16. The vacuum cleaning tool according to claim 15 , wherein the support plates are comprised of a soft elastic material.
17. The vacuum cleaning tool according to claim 16 , wherein the support plates are comprised of rubber.
18. The vacuum cleaning tool according to claim 14 , wherein the bearing receptacle has a bottom matched to a circumferential contour of the support plate.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10353456A DE10353456A1 (en) | 2003-11-15 | 2003-11-15 | Cleaning tool for floor surfaces with a work area lighting |
DE10353456.3 | 2003-11-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20050115014A1 true US20050115014A1 (en) | 2005-06-02 |
Family
ID=34585144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/904,522 Abandoned US20050115014A1 (en) | 2003-11-15 | 2004-11-15 | Cleaning Tool for Floor Surfaces Having an Illumination Element for a Working Area |
Country Status (3)
Country | Link |
---|---|
US (1) | US20050115014A1 (en) |
CN (1) | CN1615787A (en) |
DE (1) | DE10353456A1 (en) |
Cited By (16)
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---|---|---|---|---|
US20070039119A1 (en) * | 2005-08-19 | 2007-02-22 | The Scott Fetzer Company | Vacuum cleaner with headlamp |
US20070240275A1 (en) * | 2006-04-13 | 2007-10-18 | Electrolux Home Care Products Ltd. | Lighting apparatus for a vacuum cleaner |
US20080313846A1 (en) * | 2007-06-22 | 2008-12-25 | Electrolux Home Care Products, Inc. | Vacuum Cleaner Nozzle Height Indicator |
GB2456418A (en) * | 2008-01-17 | 2009-07-22 | Bissell Homecare Inc | Vacuum cleaner accessory tool |
US20100263160A1 (en) * | 2009-04-20 | 2010-10-21 | Samsung Gwangju Electronics Co., Ltd. | Suction body providing electric energy and cleaner having the same |
JP2013220206A (en) * | 2012-04-17 | 2013-10-28 | Panasonic Corp | Suction tool for vacuum cleaner and the vacuum cleaner using the same |
AU2013201115B2 (en) * | 2008-01-17 | 2013-12-19 | Bissell Inc. | Vacuum accessory tool |
CN103479299A (en) * | 2013-09-17 | 2014-01-01 | 无锡莱吉特信息科技有限公司 | Dust collector sucker capable of lighting |
US20140259510A1 (en) * | 2013-03-15 | 2014-09-18 | G.B.D. Corporation | Surface Cleaning Apparatus |
JP2015154869A (en) * | 2014-02-21 | 2015-08-27 | 日立アプライアンス株式会社 | Suction port body of vacuum cleaner and vacuum cleaner using suction port body |
US9403280B2 (en) | 2011-11-18 | 2016-08-02 | Nike, Inc. | Manufacturing vacuum tool |
US9937585B2 (en) | 2011-11-18 | 2018-04-10 | Nike, Inc. | Multi-functional manufacturing tool |
US10159393B2 (en) | 2013-03-15 | 2018-12-25 | Omachron Intellectual Property Inc. | Surface cleaning apparatus |
US20220133105A1 (en) * | 2020-11-05 | 2022-05-05 | Shenzhen Shermon Technology Co., Limited | Floor brush for vacuum cleaner |
US11484175B2 (en) | 2018-08-27 | 2022-11-01 | Techtronic Floor Care Technology Limited | Floor cleaner |
USD984770S1 (en) * | 2020-05-27 | 2023-04-25 | Lg Electronics Inc. | Nozzle for vacuum cleaner |
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EP2422676A1 (en) | 2010-08-25 | 2012-02-29 | Miele & Cie. KG | Vacuum cleaner with a lighting device |
DE102015100339B4 (en) * | 2015-01-12 | 2019-05-02 | Vorwerk & Co. Interholding Gmbh | Household appliance, in particular attachment of a vacuum cleaner |
CN209404633U (en) * | 2018-06-01 | 2019-09-20 | 天佑电器(苏州)有限公司 | Ground brush assemblies and dust catcher comprising it |
CN108542309A (en) * | 2018-06-06 | 2018-09-18 | 苏州市春菊电器有限公司 | A kind of suction head of suction cleaner with lighting device |
CN109077664A (en) * | 2018-06-12 | 2018-12-25 | 张亦隆 | Cleaner head is adapted to dustiness lighting device and dust suction operational method |
CN212913072U (en) * | 2020-06-09 | 2021-04-09 | 天佑电器(苏州)有限公司 | Floor brush for dust collector and dust collector |
CN113017468A (en) * | 2021-03-23 | 2021-06-25 | 安徽持家汉家居工艺品有限公司 | Cleaning equipment based on intelligent furniture and use method thereof |
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---|---|---|---|---|
US20070039119A1 (en) * | 2005-08-19 | 2007-02-22 | The Scott Fetzer Company | Vacuum cleaner with headlamp |
US20070240275A1 (en) * | 2006-04-13 | 2007-10-18 | Electrolux Home Care Products Ltd. | Lighting apparatus for a vacuum cleaner |
US7328479B2 (en) | 2006-04-13 | 2008-02-12 | Electrolux Home Care Products Ltd. | Lighting apparatus for a vacuum cleaner |
US8214966B2 (en) | 2007-06-22 | 2012-07-10 | Electrolux Home Care Products, Inc. | Vacuum cleaner nozzle height indicator |
US20080313846A1 (en) * | 2007-06-22 | 2008-12-25 | Electrolux Home Care Products, Inc. | Vacuum Cleaner Nozzle Height Indicator |
GB2456418A (en) * | 2008-01-17 | 2009-07-22 | Bissell Homecare Inc | Vacuum cleaner accessory tool |
GB2456418B (en) * | 2008-01-17 | 2012-06-27 | Bissell Homecare Inc | Vacuum accessory tool |
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AU2013201115B2 (en) * | 2008-01-17 | 2013-12-19 | Bissell Inc. | Vacuum accessory tool |
US20100263160A1 (en) * | 2009-04-20 | 2010-10-21 | Samsung Gwangju Electronics Co., Ltd. | Suction body providing electric energy and cleaner having the same |
EP2243414A3 (en) * | 2009-04-20 | 2012-07-11 | Samsung Gwangju Electronics Co., Ltd. | Nozzle Unit |
US8826489B2 (en) * | 2009-04-20 | 2014-09-09 | Samsung Electronics Co., Ltd. | Suction body providing electric energy and cleaner having the same |
US9937585B2 (en) | 2011-11-18 | 2018-04-10 | Nike, Inc. | Multi-functional manufacturing tool |
US10532468B2 (en) | 2011-11-18 | 2020-01-14 | Nike, Inc. | Manufacturing vacuum tool with selective activation of pickup zones |
US11911893B2 (en) | 2011-11-18 | 2024-02-27 | Nike, Inc. | Manufacturing tool |
US11389972B2 (en) | 2011-11-18 | 2022-07-19 | Nike, Inc. | Manufacturing tool with selective activation of pickup zones |
US9403280B2 (en) | 2011-11-18 | 2016-08-02 | Nike, Inc. | Manufacturing vacuum tool |
US11273514B2 (en) | 2011-11-18 | 2022-03-15 | Nike, Inc. | Multi-functional manufacturing tool |
US9937627B2 (en) | 2011-11-18 | 2018-04-10 | Nike, Inc. | Manufacturing vacuum tool with selective activation of pickup zones |
US10610958B2 (en) | 2011-11-18 | 2020-04-07 | Nike, Inc. | Multi-functional manufacturing tool |
US10272518B2 (en) | 2011-11-18 | 2019-04-30 | Nike, Inc. | Multi-functional manufacturing tool |
JP2013220206A (en) * | 2012-04-17 | 2013-10-28 | Panasonic Corp | Suction tool for vacuum cleaner and the vacuum cleaner using the same |
US9526394B2 (en) * | 2013-03-15 | 2016-12-27 | Omachron Intellectual Property Inc. | Surface cleaning apparatus |
US10159393B2 (en) | 2013-03-15 | 2018-12-25 | Omachron Intellectual Property Inc. | Surface cleaning apparatus |
US20140259510A1 (en) * | 2013-03-15 | 2014-09-18 | G.B.D. Corporation | Surface Cleaning Apparatus |
CN103479299A (en) * | 2013-09-17 | 2014-01-01 | 无锡莱吉特信息科技有限公司 | Dust collector sucker capable of lighting |
JP2015154869A (en) * | 2014-02-21 | 2015-08-27 | 日立アプライアンス株式会社 | Suction port body of vacuum cleaner and vacuum cleaner using suction port body |
US11484175B2 (en) | 2018-08-27 | 2022-11-01 | Techtronic Floor Care Technology Limited | Floor cleaner |
USD984770S1 (en) * | 2020-05-27 | 2023-04-25 | Lg Electronics Inc. | Nozzle for vacuum cleaner |
US20220133105A1 (en) * | 2020-11-05 | 2022-05-05 | Shenzhen Shermon Technology Co., Limited | Floor brush for vacuum cleaner |
Also Published As
Publication number | Publication date |
---|---|
DE10353456A1 (en) | 2005-06-16 |
CN1615787A (en) | 2005-05-18 |
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Legal Events
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AS | Assignment |
Owner name: DUPRO AG, SWITZERLAND Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:WORWAG, PETER;REEL/FRAME:015354/0964 Effective date: 20040914 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |