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WO2025168684A1 - Dispositif de nettoyage de surface avec porte-cassette et son procédé de fonctionnement - Google Patents

Dispositif de nettoyage de surface avec porte-cassette et son procédé de fonctionnement

Info

Publication number
WO2025168684A1
WO2025168684A1 PCT/EP2025/053058 EP2025053058W WO2025168684A1 WO 2025168684 A1 WO2025168684 A1 WO 2025168684A1 EP 2025053058 W EP2025053058 W EP 2025053058W WO 2025168684 A1 WO2025168684 A1 WO 2025168684A1
Authority
WO
WIPO (PCT)
Prior art keywords
cleaning
cassette
roller
cleaning roller
cassette holder
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.)
Pending
Application number
PCT/EP2025/053058
Other languages
German (de)
English (en)
Inventor
Justin Henry
Simon SPERBER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Publication of WO2025168684A1 publication Critical patent/WO2025168684A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/28—Floor-scrubbing machines, motor-driven
    • A47L11/282—Floor-scrubbing machines, motor-driven having rotary tools
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • A47L11/302—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4044—Vacuuming or pick-up tools; Squeegees
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4052—Movement of the tools or the like perpendicular to the cleaning surface
    • A47L11/4058—Movement of the tools or the like perpendicular to the cleaning surface for adjusting the height of the tool
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4063—Driving means; Transmission means therefor
    • A47L11/4069—Driving or transmission means for the cleaning tools
    • 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
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation

Definitions

  • the invention relates to a surface cleaning device, comprising a cleaning head with a cleaning head body, at least one cleaning roller rotatable about a rotation axis, a drive motor for the at least one cleaning roller, and at least one cassette with a holding device for the at least one cleaning roller, wherein the at least one cleaning roller is rotatably mounted on the holding device and the at least one cassette is removably mounted on the cleaning head.
  • the invention further relates to a method for operating a surface cleaning device.
  • EP 2 891 442 A2 discloses a robot cleaner having a main body on which a dust container is mounted, and a suction unit provided at a front part of the main body.
  • the suction unit is movable relative to the main body.
  • WO 2023/152082 A1 discloses a floor cleaning device with a cassette in a holding device for a cleaning roller, wherein the cassette is removably mounted on a floor head.
  • the CN 216907837 U discloses a cleaning mechanism with a roller arrangement, and with a drive which is driven from one end of the The roller assembly is secured to an interior of the roller assembly.
  • a drive connector is arranged at an inner end of the drive.
  • a gear connector is positioned in the roller assembly, and the gear connector and the drive connector are removably inserted.
  • CN 113679291 A discloses a cleaning device with an automatic lifting mechanism.
  • CN 112741538 A discloses a suction device.
  • the invention is based on the object of providing a surface cleaning device of the type mentioned above with which improved cleaning results can be achieved.
  • a cassette holder is movably arranged on the cleaning head body, on which the at least one cassette is removably held.
  • the at least one cleaning roller can be easily inserted into or removed from the surface cleaning device.
  • a cassette holder for the cassette is arranged so that it can move. Due to the mobility of the cassette holder, the at least one cleaning roller can also move over the cassette. The mobility of the at least one cleaning roller relative to the cleaning head results in improved cleaning options. For example, it is possible to press at least one cleaning roller with additional force against a surface to be cleaned.
  • a type of floating mounting of the at least one cleaning roller can be achieved in a simple manner in order, for example, to be able to avoid an obstacle on a surface to be cleaned by moving the at least one cleaning roller away (via the cassette holder).
  • the cassette holder's mobility also allows for optimal adaptation to the floor surface to be cleaned.
  • the at least one cleaning roller can be easily lifted off the surface to be cleaned if cleaning with at least one cleaning roller is not desired or not practical.
  • a cleaning roller for a hard floor can be lifted off when a textile floor needs to be cleaned.
  • the mobility of at least one cleaning roller over the cassette holder also allows for optimized coupling to a ground station, for example.
  • the cassette holder is mounted on the cleaning head body in a linearly movable manner.
  • the cassette holder is mounted on the cleaning head body on a pivot bearing device that can pivot about a pivot axis. This results in a structurally simple design with regard to the mounting and mobility of the cassette holder with the at least one cassette and the at least one cleaning roller.
  • the pivot axis of the pivot bearing device is parallel to a mounting plane of the cleaning head for a surface to be cleaned; the pivot axis is parallel to the rotation axis of the at least one cleaning roller; the pivot axis is transverse and in particular perpendicular to a forward travel direction of the cleaning head; the pivot axis is parallel to an insertion direction of the at least one cassette on the cleaning head and/or to a removal direction of the at least one cassette from the cleaning head.
  • the first part of the guide device is arranged and formed on a wall of the cassette holder, and a part of the pivot bearing device is located on the wall.
  • At least one web is arranged on a wall of the cassette holder, which protrudes transversely from the wall, and if a first part of a pivot bearing device is located on the at least one web.
  • This makes it easy to achieve a pivotable mounting of the cassette holder on the cleaning head.
  • this makes it possible to arrange the pivot bearing device outside a receptacle for the cleaning roller (which may be loaded with dirt).
  • the fixing device has, in particular, a push-to-release mechanism and is preferably designed as a snap-action device, and the second part has at least one tab. This allows the fixing to be achieved and released in a simple manner. If the second part has at least one tab, the removable cassette can be designed in a simple manner. The remainder of the snap-action device is then, in particular, non-removably positioned on the cleaning head.
  • the cassette holder is assigned a spring device, which is arranged and designed such that a spring force of the spring device tends to press the cassette holder with the at least one cleaning roller toward a surface to be cleaned.
  • a spring force of the spring device tends to press the cassette holder with the at least one cleaning roller toward a surface to be cleaned.
  • the at least one cleaning roller can be pressed against a surface to be cleaned via the cassette holder. This makes it possible to achieve a contact force for the at least one cleaning roller that exceeds the weight of the cleaning head. This can improve the cleaning result.
  • the spring-loaded cassette holder also provides a simple way to reset the cassette holder. For example, if the cassette holder has been lifted and needs to be returned to a cleaning position, the spring force of the spring mechanism ensures the appropriate reset.
  • a cable pull device for lifting the movable cassette holder away from a mounting plane of the cleaning head for a surface to be cleaned, in particular by overcoming a spring force of a spring device that tends to push the cassette holder toward the surface.
  • the cable pull device can be designed in a space-saving manner.
  • a motor or a gear of the cable pull device can be mounted relatively far away from the cassette holder. This results in optimized use of space at the cleaning head.
  • the cable pull device can be positioned on the cleaning head to save space.
  • the method according to the invention can be carried out on the surface cleaning device according to the invention or the surface cleaning device according to the invention can be operated with the method according to the invention.
  • Figure 2 is a bottom view of the surface cleaning device according to Figure 1 in the direction A according to Figure 1;
  • Figure 3 shows a further perspective view of the surface cleaning device according to Figure 1 with the housing parts removed;
  • FIG. 1 in area B according to Figure 1, wherein a receptacle for a cleaning roller is closed;
  • Figure 5 is the same view as Figure 4, with a cover on the receptacle open;
  • Figure 6 is the same view as Figure 5, with a cassette with a cleaning roller half removed and half inserted;
  • Figure 7 shows an embodiment of a cassette with a cleaning roller held thereon, wherein the cleaning roller is held clamped to the cassette by a closed cover;
  • Figure 8 shows a further view of the cassette with cleaning roller according to Figure 7;
  • FIG. 9 shows the cassette according to Figure 7, with the flap open
  • Figure 10 is a side view of the cassette with cleaning roller according to Figure 7 in the direction C according to Figure 7 (with the flap closed);
  • Figure 11 is a view similar to Figure 10, but with the flap open (corresponding to the plan view in direction D according to Figure 9);
  • Figure 12 is a schematic sectional view of the cassette with
  • Figure 13 is a schematic sectional view of the cassette with
  • FIG 14 is a similar view of the cassette as in Figure 8 with the cleaning roller removed;
  • FIG 15 is a further view of the cassette according to Figure 14 without the cleaning roller;
  • Figure 16 is a sectional view of the surface cleaning device in the
  • Figure 17 shows a detailed view of a sectional view of a
  • Figure 18 is a partial sectional view of the surface cleaning device in plane F according to Figure 5;
  • Figure 19 is a partial sectional view of another embodiment of a surface cleaning device
  • Figure 20 is a perspective view of a cassette holder with a cassette held thereon, the cassette in turn holding a cleaning roller;
  • Figure 21 shows another view of the cassette holder (without
  • Figure 22 shows a further view of the cassette holder according to Figure 20 (without cassette and cleaning roller);
  • Figure 23 is a sectional view of the surface cleaning device in the region of a cleaning roller in a plane parallel to the plane F according to Figure 5, wherein a cleaning roller is placed on a surface to be cleaned;
  • Figure 24 shows a further sectional view with the cleaning roller raised relative to a surface to be cleaned
  • Figure 25 is a detailed view of area G according to Figure 3 with a pulley element
  • Figure 26(a) is a detailed view of an embodiment of a surface cleaning device in which a receptacle for the cleaning roller is closed;
  • Figure 26(b) is the same view as Figure 26(a) with the cover removed;
  • Figure 27 shows a further embodiment of a cassette with a lid arranged thereon
  • FIG 28(a) and (b) detail views of a cover on a receptacle in a further embodiment
  • Figure 29(a) and (b) further detailed views of another embodiment of a surface cleaning device in the region of a receptacle.
  • a surface cleaning device is a floor cleaning device in the form of a self-propelled and self-steering floor cleaning device ( Figures 1 to 9).
  • the surface cleaning device is a vacuum-mop robot suitable for cleaning textile and hard floors.
  • the surface cleaning device 10 comprises a cleaning head 12, which comprises a self-propelled and self-steering cleaning head body 14 (driving body).
  • a (ground) station may be provided, in particular for charging a battery device and, if necessary, for cleaning the cleaning head 12 (not shown in the drawings).
  • the surface cleaning device 10 with the cleaning head 12 is placed on a surface 16 to be cleaned, such as a floor (see, for example, Figure 10).
  • a drive 18 is arranged on the cleaning head body 14. This drives wheels 20 ( Figure 2). In one embodiment, a first wheel 20a and a second wheel 20b are provided, which share a common wheel axle 22. The wheels 20 are driven by the drive 18 to rotate about the wheel axle 22.
  • a support roller 24 is arranged on the cleaning head body 14 at a distance from the wheels 20.
  • the support roller 24 has a rotational axis. It is pivotable about a steering axis that is perpendicular to this rotational axis. It is fundamentally possible for the support roller 24 to be a passive steering roller that is not driven (and in particular not driven for rotation about the corresponding rotational axis and in a pivoting movement about the steering axis).
  • a change in direction of the cleaning head 12 is achieved by appropriately controlling the wheels 20a, 20b by a control device. device positioned on the cleaning head body 14. A change of direction occurs in particular by rotating the wheels 20a, 20b at different speeds.
  • the support roller 24 is an active steering roller for controlling the direction of the cleaning head 14. The control is carried out accordingly by a control device.
  • the surface cleaning device 10 has a main direction of travel 26.
  • This main direction of travel 26 is a forward direction of travel.
  • the rotation axis of the support roller 24 is aligned parallel to the wheel axis 22.
  • the cleaning head 12 is assigned a support plane 28 (see, for example, Figure 10).
  • the support plane 28 is defined by the wheels 20 and the support roller 24.
  • the cleaning head 12 rests on the surface when positioned above the support plane 28 on the surface 16.
  • the surface cleaning device 10 comprises (at least) one brush roller 30 for suction operation. It further comprises a further cleaning roller 32, by means of which, in particular, wet-wiping cleaning can be carried out.
  • the brush roller 30 and/or the cleaning roller 32 are located on the installation plane 28 and act on the surface 16 to be cleaned. (It is fundamentally possible for both the brush roller 30 and the cleaning roller 32 to act on the surface 16 to be cleaned during cleaning operation, or for only the brush roller 30 to act on the surface 16 to be cleaned. In a further embodiment, it can also be provided that only the cleaning roller 32 acts on the surface 16 to be cleaned.)
  • a navigation device 34 is arranged on the cleaning head body 14.
  • the navigation device 34 is a sensor device and comprises at least one sensor element.
  • the navigation device 34 is connected in a signal-effective manner to the control device for controlling the movement of the surface cleaning device 10.
  • the navigation device 34 comprises, for example, one or more optical sensors, one or more wheel sensors, one or more IR sensors, and/or one or more ultrasonic sensors.
  • the cleaning head body 14 has a front end 36 and a rear end 38 relative to the main direction of travel 26 (forward direction of travel 26).
  • a longitudinal axis 40 is assigned to the cleaning head 12, which runs between the front end 36 and the rear end 38 and is parallel to the main direction of travel 26.
  • a tank device 42 for dirty fluid and a tank device 44 for cleaning fluid are positioned (see, for example, Figure 24).
  • the tank device 42 and the tank device 44 are combined and can be removed from the cleaning head 12 or inserted thereon as a combination.
  • Dirt fluid is defined as a fluid that is essentially flowable. It can be composed of dirt particles or a mixture of dirt particles and a liquid (especially water, possibly with a surfactant cleaning agent added).
  • the cleaning head body 14 has a bottom side 46 facing the installation plane 28. It has a top side 48 opposite the bottom side 46.
  • the wheels 20 and the support roller 24 are attached to the bottom side 46.
  • the navigation device 34 is positioned at least partially on the upper side 48.
  • a bumper 50 is arranged on the cleaning head body 14 in the region of the front end 36, which can be used to tactilely detect collisions of the surface cleaning device 10 with obstacles.
  • the bumper 50 is or includes one or more tactile sensor elements that are connected to the control device for signal transmission.
  • cliff sensors 52 are arranged on the underside of the cleaning head body 14 and are connected to the control unit for signaling purposes. These cliff sensors 52 serve to prevent the surface cleaning device 10 from falling, for example, in the area of stairs, by detecting "cliffs" accordingly.
  • a receptacle 58 for a dirt collection container (not shown in Figure 3) is arranged on the front region 56, adjacent to the rear region 54.
  • the dirt collection container in the receptacle 58 serves in particular for collecting dry dirt and is assigned to the brush roller 30.
  • the blower device applies the suction flow to the receiving area 64 and in particular dry dirt is sucked in and collected in the dirt collecting container (not shown in the drawings) in the receptacle 58.
  • the dirt collection container can be removed from the holder 58 for emptying and cleaning.
  • a rechargeable battery device 70 is located on the front area 56 of the cleaning head body 14.
  • the receiving area 64 with the brush roller 30 is located with respect to the longitudinal axis 40 between the battery device 70 and the receptacle 58 for the dirt collection container.
  • contact elements 72 are arranged on the underside 56 of the cleaning head body 14, which, in cooperation with a station (ground station), enable recharging of the battery device 70.
  • the rotation axis 66 of the brush roller 30 is oriented transversely and in particular perpendicularly to the longitudinal axis 40.
  • the rotation axis 66 is oriented parallel to the installation plane 28.
  • the receiving area 64 with the brush roller 30 is positioned between the first wheel 20a and the second wheel 20b (see Figure 2).
  • side brushes 74a, 74b are also located. These brushes extend beyond a periphery of the cleaning head body 14.
  • a first side brush 74a and a second side brush 74b are assigned.
  • Respective drive motors 76 for the side brushes 74a, 74b are located on the front region 56 of the cleaning head body 14.
  • the side brushes 74a, 74b are rotatable about a rotation axis that is transverse and, in particular, perpendicular to the installation plane 28 or at a small, acute angle, in particular less than 10°, to the installation plane 28.
  • the battery device 70 is positioned between the drive motors 76 for the side brushes 74a, 74b, and in particular, the battery device 70 and the drive motors 76 lie on a line (see Figure 3) oriented perpendicular to the longitudinal axis 40. This line 78 is in particular parallel to the rotation axis 66.
  • the blower device 62 is located on one side of the cleaning head body 14, and, for example, the drive motor 68 for the brush roller 30 is located on the other side.
  • a center plane of the cleaning head body 14 lies between the blower device 62 and the drive motor 68, on which the longitudinal axis 40 lies and which is perpendicular to the installation plane 28.
  • the blower device 62 is located on one side of the receptacle 58, wherein a fluid-effective connection of the dirt collection container is established by the blower device 62 via the corresponding side of the receptacle 58, and the drive motor 68 is located on an opposite side of the receptacle 58.
  • An openable and, in particular, hinged cover 78 (see Figure 1) is arranged on the top side 48 of the cleaning head body 14. This cover is not shown in the partial illustration according to Figure 3.
  • the cover 78 covers the tank devices 42 and 44 on the top side 48. It also covers the receptacle 58 for the dirt collection container. In order to remove the dirt collection container from the receptacle 58, the cover 78 must be opened.
  • the cleaning head body 14 has a first lateral side 80 and an opposite second lateral side 82.
  • the first lateral side 80 and the second lateral side 82 are in particular mirror-symmetrical to the center plane on the longitudinal axis 40.
  • the first lateral side 80 and the second lateral side 82 may be flat or curved.
  • a receptacle 84 for the cleaning roller 32 is arranged on the cleaning head body 14 between the first lateral side 80 and the second lateral side 82.
  • the receptacle 84 is, in particular, a receiving shaft.
  • the receptacle 84 is open toward the underside 46 and thus toward the installation plane 28, so that the cleaning roller 32 positioned in the receptacle 84 can act on the surface 16 to be cleaned.
  • the receptacle 84 is on the rear portion 54 of the cleaning head body
  • the receptacle 84 is closed on the first lateral side 80 by a transverse wall 86.
  • the transverse wall 86 is, in particular, fixedly arranged on the cleaning head body 14 or is an integral part of the cleaning head body 14.
  • the receptacle 84 is open via an opening 88.
  • a cover 90 is associated with the opening 88, by means of which the opening 88 on the second lateral side 82 can be closed.
  • Figure 4 shows a portion of the cleaning head 12 with the cover 90 closed.
  • the cover 90 is open for removing or inserting the cleaning roller 32 into the receptacle 84.
  • a cassette 92 is provided for positioning the cleaning roller 32 in the receptacle 84 (see Figures 7 to 24).
  • the cassette 92 includes a holding device 94 for the cleaning roller 32.
  • the cleaning roller 32 is rotatably driven about a rotation axis 96 by the holding device 94.
  • the rotation axis 96 is parallel to the installation plane 28. It is transverse and, in particular, perpendicular to the main direction of travel 26 (forward direction of travel 26). It is transverse and, in particular, perpendicular to the longitudinal axis 40. It is at least approximately parallel to the rotation axis 66 of the brush roller 30.
  • a cassette holder 98 is positioned in the receptacle 84 on the cleaning head body 14 for holding the cassette 92 and thus indirectly for holding the cleaning roller 32 in the receptacle 84.
  • the cassette holder 98 (see in particular Figures 16 and 20 to 24) is a non-removable component of the cleaning head 12. It can be fixedly positioned on the cleaning head 12 (on the cleaning head body 14) or, in an embodiment which will be explained in more detail below, movable. and in particular pivotally positioned on the cleaning head body 14.
  • a guide device 100 is provided which serves to guide the cassette 92 on the cassette holder 98 and to hold it in position in the receptacle 84.
  • the holding device 94 (the cassette 92) has a peripheral wall 106.
  • the peripheral wall 106 extends in an axial direction 108 between a first end face 110 and an opposite second end face 112.
  • the rotation axis 96 is parallel to the rotation axis 96 of the cleaning roller 32 when the cassette 92 is properly positioned in the receptacle 84.
  • the axis 108 is an axial axis.
  • the cleaning roller 32 has a cylindrical outer shape with an axial axis parallel to the rotation axis 96.
  • the second region 120 is movably arranged on the first region 118.
  • the first region 118 extends in the circumferential direction 114 from a bottom side 122 of the circumferential wall 106, which faces the installation plane 28, to an end region 124.
  • the end region 124 lies at an upper region 126 (see Figure 12) of the cassette 92 when the cassette 92 is properly seated on the cleaning head 12.
  • the circumferential wall 106 has a maximum distance from the installation plane 28 relative to a height axis 128, which is perpendicular to the installation plane 28.
  • the peripheral wall 106 has an inner side 132 which faces the cleaning roller 32 and an outer side 134 which faces away from the cleaning roller 32.
  • a connection 138 of a humidification device 140 is arranged on the first region 118 of the peripheral wall 106 in the region of the second end face 112.
  • cleaning fluid from the tank device 44 can be applied to the surface 16 to be cleaned directly and, in particular, indirectly via the cleaning roller 32.
  • cleaning fluid is applied to the cleaning roller 32 by means of a nozzle device 142, which is located on the peripheral wall 106 and there on the first region 118.
  • connection 138 provides a fluid-effective connection to that part of the humidification device 140 which is positioned on the cleaning head 14 outside the cassette 92.
  • the second region 120 is designed as a flap 144 (see, for example, Figures 7 to 13), which is movably mounted on the first region 118 of the peripheral wall 106 via a pivot bearing device 146.
  • a pivot axis 148 of the pivot bearing device 146 is oriented parallel to the axis 108 and thus also parallel to the rotation axis 96.
  • the pivot bearing assembly 156 includes a plurality of spaced pivot bearings 150 aligned along the pivot axis 148.
  • a pivot bearing 150 comprises shaft elements 152, which are arranged on the first region 118, and receptacles 154 for one shaft element each, which are arranged on the second region 120 and are formed, for example, in one piece.
  • the second region 120 is designed as a flap 144.
  • a spring device 156 is associated with the pivot bearing device 146, wherein a spring force of the spring device 156 tends to press the flap 144 against the cleaning roller 32 and thereby hold it clamped to the holding device 94.
  • the flap 144 (the second region 120) has a closed position 158 ( Figures 7, 10, 12) in which the flap 144 clamps the cleaning roller 32 to the cassette 92.
  • the spring device 156 has a clamping force perpendicular to the rotation axis 96 (perpendicular to the axis 108) for clamping.
  • the flap 144 has a first end 160 and an opposite second end 162. In the region of the first end 160, the flap 144 is hinged to the first region 118 of the peripheral wall 106 via the pivot bearing device 146.
  • the cleaning roller 32 is designed in particular as a wiping roller or damp cleaning roller. It has a sleeve 168 (see Figure
  • a facing 172 in particular made of a textile material and, for example, a microfiber material, is seated on the sleeve 168.
  • the facing 172 is moistened with cleaning fluid (pure water or pure water with a surfactant-based cleaning agent) by the moistening device 140.
  • cleaning fluid pure water or pure water with a surfactant-based cleaning agent
  • the scraper device 166 is pressed onto the cleaning roller 32 and thereby onto the trim 172 towards the cleaning roller 32.
  • the scraper device 166 is arranged and configured such that dirty fluid is separated from the coating 172 of the cleaning roller 32 and directed to an outlet device 174.
  • the scraper device 166 has both a separation function for dirty fluid and a conducting function.
  • the wiper strip 176 is positioned in particular on the flap 144 between the first end 160 and the second end 162 and is spaced apart from the latter.
  • the cleaning roller 32 extends substantially over the entire length of the cleaning roller 32 (with the direction of the rotation axis 96 as the longitudinal axis).
  • the scraper bar 176 is arranged and designed such that it leads to the mouth device 174 in a funnel shape.
  • the spring force of the spring device 156 presses the flap 144 against the facing 172 of the cleaning roller 32, and the wiper bar 176 is pressed to penetrate 178 into the facing 172.
  • a spring-loaded wiper device 176 is present.
  • the outlet device 174 (with the flap 144 in the closed position 158) is positioned such that dirty fluid is introduced directly into the dirty fluid tank device 42 via it.
  • the dirty fluid is conveyed from the cleaning roller 32 into the tank device 42 without the use of a fan by direct coupling with a direct transport path 180 from the cassette 92 and thereby from the outlet device 174 on the flap 144 of the cassette 92 into the tank device 42 (see, for example, Figure 23).
  • An edge flange 180 is arranged on the holding device 94 (of the cassette 92) at the front side at the second end 112. This edge flange 180 (see, for example, Figure 8) forms a contact point with respect to the axial axis 108. surface for the cleaning roller 32. When the cleaning roller 180 rests against the peripheral wall 106, it cannot fall out of the cassette 92 in the direction 108 due to the edge flange 180.
  • the cassette 92 (the holding device 94) has a pivot bearing 182 at the first end 110 (see Figure 15).
  • the cleaning roller 32 can be non-rotatably mounted on this pivot bearing 182 for rotation about the rotation axis 96.
  • This pivot bearing 192 is an integral part of the cassette 92 and faces away from the edge flange 180.
  • the insertion direction 184 is at least approximately parallel to the rotation axis 96.
  • cassette 92 with cleaning roller 32 fixed to it is inserted into the holder 84.
  • the cover 90 is opened and the axial fixation is then released. This is described in more detail below.
  • the cassette 92 with the cleaning roller 32 is advanced so that it protrudes beyond the second lateral side 82.
  • the cassette 92 with the cleaning roller 32 can then be completely removed.
  • a removal direction 186 ( Figure 5) is opposite to the insertion direction 184 and antiparallel to it.
  • the cleaning roller 32 can then be removed from the cassette 92 and cleaned, for example, in a washing machine.
  • the cassette 92 has a bearing side 188 on the first end face 110 with the pivot bearing 182. Opposite, it has a bearing drive side 190. The edge flange 180 is located on this bearing drive side 190. The bearing drive side 190 couples the cleaning roller 32 to a drive motor for rotation about the rotation axis 96.
  • the edge flange 180 and the peripheral wall 106 are designed such that the cleaning roller 32 on the cassette 92 can be driven to rotate about the rotation axis 96 even when the flap 144 is in the closed position 158.
  • connection 138 is located on or near the edge flange 180.
  • a fixing device 192 is provided, which fixes the cassette 92 in the receptacle 84 relative to the insertion direction 184 and the removal direction 186.
  • the guide device 100 fixes it in all transverse directions.
  • the fixing device 192 has a first part 194, which is arranged outside the cassette 92 and is associated with the transverse wall 86.
  • the first part 194 of the fixing device 192 is fixedly arranged on the cleaning head body 14 in the sense that it cannot be removed from the cleaning head body 14.
  • the first part 194 itself can be movable, or it can be positioned immovably as a whole on the cleaning head body 14.
  • this first part 194 of the fixing device 192 is arranged on the cassette holder 98 (see, for example, Figure 20).
  • the first part 194 of the fixing device 192 can also be positioned directly on the transverse wall 86 and thereby on an inner side towards the receptacle 84.
  • the second part 196 of the fixing device 192 comprises lugs 198, and in particular a plurality of lugs 198, which are seated on the edge flange 180 and in particular extend outwardly away from the edge flange 180.
  • the surface cleaning device 10 comprises a drive motor 200 (see Figure 16) for the rotational drive of the cleaning roller 32 rotating around the rotation axis 96.
  • this drive motor 200 is arranged on the cleaning head body 14, and in particular on the front region 56. Torque is transmitted from the drive motor 200 to the cleaning roller 32 via a transmission device, which, for example, comprises a belt drive and, in particular, also includes a reduction gear. With the cassette 92 fixed to the cleaning head 12, the torque is coupled to the bearing drive side 190 via a corresponding drive bearing element, onto which the cleaning roller 32 is mounted in a rotationally fixed manner with the sleeve 168.
  • a transmission device which, for example, comprises a belt drive and, in particular, also includes a reduction gear.
  • the drive motor 200 is an internal motor relative to the cleaning roller 32.
  • the drive motor 200 is an integral part of the cleaning head 12 and is arranged at the rear region 54.
  • connection to the control device via control lines and an electrical connection to the battery device 70. It is particularly provided that when the cassette holder 98 is movable (as described in more detail below), the drive motor 200 is fixedly connected to the cassette holder 98 and is movable therewith.
  • the drive motor 200 is arranged, for example, on the transverse wall 86 and in particular is directly or indirectly connected thereto.
  • the drive motor 200 is positioned in the receptacle 84 and extends over a certain area relative to a longitudinal axis parallel to the rotation axis 96.
  • a motor driver 202 is provided, which is positioned in the interior 170 of the sleeve 168 when the cleaning roller 32 is mounted on the drive motor 200.
  • the motor driver 202 is rotationally fixedly coupled to the cleaning roller 32.
  • a drive motor 204 is provided, which is located externally relative to the sleeve 168 of the cleaning roller 32.
  • a driver 206 is coupled to the drive motor 204 in a rotationally fixed manner and projects into the sleeve 168 of the corresponding cleaning roller 32.
  • the fixing device 192 is designed as a push-to-release touch latch 208.
  • a "push-to-release” mechanism can be provided by the pressure snap device 208 (also referred to as a "pressure snap"), which is positioned in the region of the transverse wall 86.
  • Axial fixation can be achieved, and the release of the axial fixation (for removing the cassette 92 from the receptacle 84) can be achieved by exerting pressure on the cassette 92, wherein this pressure is exerted in a pressure application direction that is at least approximately parallel to the insertion direction 184.
  • the pressure can be exerted on the cassette 92 in the region of the opening 88, i.e., at a "large” distance from the fixation device 192.
  • the space already provided by the receptacle 84 is then used in an optimized manner for positioning the fixing device 192.
  • Snap-on devices are well known and are used, for example, in furniture construction.
  • the pressure snap device 208 comprises a housing 210 on the first part 194.
  • the housing 210 has receptacles for the lugs 198 facing the receptacle 84.
  • the lugs can be brought into the receptacle of the housing 210 in the manner of a snap connection, achieving axial fixation. This connection can be released by applying pressure in a direction parallel to the insertion device 194.
  • a spring device is arranged on the housing 210, which, when the connection of the cassette 92 is released, provides a feed and, in a sense, "ejects" it.
  • the snap-action device 208 can be formed with relatively small dimensions in a direction parallel to the axis 108 so that it can be positioned at the end of the receptacle 84 as described.
  • the feed rate through the snap-action pressure device 208 is in particular at least 0.5 mm and preferably at least 1 mm. The greater the feed rate, the more favorable.
  • an additional feed device 212 may be provided which, in addition to the feed of the pressure snap device 208, causes a further feed in order to eject the cassette 92 "even further” upon release of the fixation of the fixation device 192 and in particular to eject it through the opening 88.
  • the cover 90 is fixedly (captively) connected to the cleaning head body 14.
  • a corresponding hinge 214 with a pivot axis 216 is provided for this purpose.
  • the pivot axis 216 is oriented transversely and in particular perpendicularly to the installation plane 28. It is oriented transversely and in particular perpendicularly to the insertion device 184 or removal direction 186. It is oriented transversely and in particular perpendicularly to the rotation axis 96. It is oriented transversely and in particular perpendicularly to the main travel direction 26.
  • the cover is arranged laterally via the hinge 214 and is arranged, for example, on the side on which the cassette holder 98 is also oriented on the cleaning head body 14.
  • the hinge 214 is, for example, spring-loaded to ensure good closure of the opening 88 on the second lateral side 82.
  • the cassette 92 is displaced in the insertion direction 184 until the first part 194 and the second part 196 of the fixing device 192 (the pressure snap device 208) correspond to each other and an axial fixing is achieved.
  • the lid 90 is opened starting from the closed lid 90 ( Figure 4). Pressure is then applied to the cassette 92 in the area of the opening 88 with a pressure direction at least approximately parallel to toward the insertion direction 184. This releases the fixation at the fixing device 192 and the connection between the first part 194 and the second part 196.
  • the cassette 92 detaches from the cleaning head body 14. In the illustrated embodiment, the cassette 92 detaches from the cassette holder 98 relative to the axial direction 108.
  • the fixing device 192 is also designed such that the cassette 92 is fed in a direction parallel to the removal direction 186 when the fixing is released.
  • a feed device 218 is additionally or alternatively assigned to the cleaning roller 32. In one embodiment ( Figure 16), the feed device 218 is positioned in the interior space 170 of the sleeve 168.
  • the feed device 218 has a spring device 220, which is supported both on the cleaning roller 32 (within the sleeve 168) and on the drive motor 200, and at the front end on the drive motor 200.
  • the spring device 220 is under tension. It is compressed, for example, during insertion.
  • the spring device 220 relaxes, and the cassette 92 is imparted a feed, and in particular an additional feed, by acting on the cleaning roller 32.
  • This feed is in particular at least 0.5 cm and preferably at least 1 cm and in particular at least 2 cm.
  • the drive motor 200 is non-removably mounted on the cleaning head 12. It provides a support surface for the spring device 220, which ensures movement or additional movement of the cassette 92 in the removal direction 186 upon release of the fixation by the fixation device 192.
  • the overall advance of the cassette 92 upon release of the fixation by the fixation device 192, and in particular by the "push-to-release” mechanism is such that the cassette 92 is pushed through the opening 88 beyond the second lateral side 82. This allows an operator to more easily grasp the cassette 92 and then pull it completely out of the receptacle 84 in the removal direction 186.
  • the total feed is generated solely by the pressure snap device 208, solely by the feed device 218 or as a total feed of individual feeds of the pressure snap device 208 and the feed device 202.
  • a cover 222 (Figure 26(a)) that can be completely removed from the cleaning head body 14 ( Figure 26(b)).
  • the cover 222 is held to the cleaning head body 14 via pin elements on the cover or on the cleaning head body 14.
  • a cover 224 is fixedly arranged on the cassette 92.
  • the cover 224 is arranged and configured such that it does not exert any compressive force on the cassette 92 (which could lead to an unintentional release of the fixing device 192).
  • the cover 222 is pivotally mounted on the cassette 92 (see Figures 28(a) and 28(b)).
  • a conversion mechanism is provided (not shown in the drawing) which causes pivoting of the cover 222 (according to Figure 28(b)) to exert pressure on the cassette 92 parallel to the insertion direction 184. This then allows the cassette 92 with the cover 224 to be released.
  • a cover 226 is provided, which is mounted on the cassette 92 in a linearly movable manner.
  • a linear movement of the cover 226 ( Figure 29(b)) then generates a compressive force parallel to the insertion direction 184 via a transfer mechanism, which in turn leads to a release of the fixation on the fixing device 192 and, if necessary, a feed in the removal direction 186.
  • the cassette 92 with cover 224 or 226 can be removed.
  • a receiving wall 228 (see, for example, Figures 23 and 24) is located on the cleaning head body 14, through which the receptacle 84 is formed. It is fundamentally possible for the cassette holder 98 to be formed via the receiving wall 228 and, in particular, for the first part of the guide device 100 to be arranged on the receiving wall 228 or to be formed by it.
  • the cassette holder 98 is separate from the receiving wall 228 and movably positioned within the receptacle 84.
  • a pivot bearing device 230 is provided, by which the cassette holder 98 is pivotally mounted on the cleaning head 14.
  • a pivot axis 232 (see Figure 21) is parallel to the axis 108 or parallel to the rotation axis 96. It is transverse and in particular perpendicular to the insertion direction 184 or the removal direction 186. It is transverse and in particular perpendicular to the main travel direction 26.
  • the pivot axis 232 is parallel to the installation plane 28.
  • the cassette holder 98 has a wall 234 (see Figures 21, 23), wherein the first part 102 of the guide device 100 is formed on an inner side of the wall 234.
  • a transverse region 236 (see Figures 21, 22) is located on the wall 234. This transverse region 236 holds the first part 194 of the fixing device 192.
  • the transverse region 236 also holds the drive motor 200 via a corresponding holder 238.
  • a torque coupling to a gear is effected via the transverse region 236.
  • Spaced-apart webs 242 are arranged on an outer side 240 of the wall 234. These webs protrude outwardly from the wall 234 and away from the receptacle 84.
  • the webs 242 are bow-shaped.
  • the pivot bearing device 230 is formed by the webs 242, and in particular the part that sits on the cassette holder 98. This part cooperates with another part that sits on the cleaning head body 14.
  • the receiving wall 228 has openings 244 that cooperate with the webs 242.
  • a web 242 (or a web combination in the case of the bracket shape) extends through each opening 244.
  • the counterpart 246 to a web 242, by means of which the pivot bearing device 230 is then formed, is, as mentioned above, fixedly positioned outside the receptacle 84 on the cleaning head body 14.
  • the receptacle 84 is thus positioned between the pivot bearing device 230 and the rear end 38 of the cleaning head 12.
  • the cassette 92 with the cleaning roller 32 is seated on the cleaning head 12, it is positioned between the pivot bearing device 230 and the tank device 42.
  • the counterpart 246 of the pivot bearing device 230 is located in particular on the front region 56 of the cleaning head body 14.
  • two counterparts 246 are provided for cooperation with two webs or web combinations 242.
  • a spring device 248 is assigned to the pivot bearing device 230.
  • each pivot bearing of the pivot bearing device 230 which is formed by a counterpart 256 and an associated web or web combination 242, is assigned (at least) one spring, such as a spiral spring.
  • the spring device 248 is arranged and designed such that it exerts a spring force which tends to press the cassette holder 98 against the mounting plane 28.
  • the force with which the cleaning roller 32 is pressed against the surface 16 to be cleaned during cleaning operation is determined by the weight of the cleaning head 12.
  • the movable cassette holder 98 with the pivot bearing device 230 and the spring device 248 allows the cleaning roller 32 to be pressed against the surface 16 to be cleaned with an additional force provided by the spring device 248. This allows an improved cleaning result to be achieved.
  • this additional force is in the range between 7 N and 17 N.
  • the spring force of the spring device 248 causes such a lift to remain for a short time and, as soon as the obstacle has been removed, the cassette holder 98 is moved again in the direction of the installation plane 28 and the cleaning roller 32 is pressed against the surface to be cleaned.
  • the spring device 248 it is possible for the spring device 248 to be adapted to the specific application.
  • the spring force should not be so high that the cleaning head body 14 lifts off; that is, the mounting plane 28 must be maintained.
  • a smaller spring force is sufficient for a floating mounting than if a stronger pressure of the cleaning roller 32 against the surface 16 to be cleaned is desired.
  • the installation plane 28 is defined by the wheels 20 and the support roller 24.
  • the brush roller 30 is located on the installation plane 28.
  • the cleaning roller 32 is also located on the installation plane 28.
  • the cleaning roller 32 is generally only positioned on the support plane 28 when the cleaning head 12 is properly positioned on the surface 16.
  • the spring force of the spring device causes the cleaning roller 32 to be pushed downward beyond the support plane until a stop is reached.
  • the surface cleaning device 10 comprises an active lifting device 250 (see Figure 3) to lift the cassette holder 98 in a direction away from the installation plane 28, so that in particular the cleaning roller 32 is spaced from the installation plane 28 and thereby spaced from the surface 16 (see Figure 24). In such a position 252 of the cleaning roller 32, it does not touch the surface 16. This can be useful, for example, if only carpet cleaning is to be carried out using the brush roller 30.
  • the lifting device 250 can make the cleaning roller 32 inactive with respect to surface contact.
  • the corresponding position 252 can also be useful, for example, if cleaning of the surface cleaning device 10 and in particular of the cleaning roller 32 is to be carried out at a station (ground station).
  • the lifting device is designed as a cable pulling device 254. It comprises a pulling cable 256.
  • the pulling cable 256 is fixed to the cassette holder 98 at its end via a fastening element 258 ( Figures 3, 21 to 23).
  • the fastening element 258 is located on the upper part of the wall 234. This provides space-saving access.
  • the fastening element 258 is in particular arranged at least approximately centrally between opposite end faces of the cassette holder 98.
  • the cable pull device 254 further comprises a motor 260 with a gear.
  • This motor 260 is arranged on the front region 56 of the cleaning head body 14 and, in particular, in the region of the battery device 70.
  • the motor 260 is positioned relative to the longitudinal axis 40 between the receptacle 58 for the dirt collection container and the front end 36 of the cleaning head body 14.
  • the motor 260 is positioned in particular near the blower device 62. In one embodiment, it is further provided that the motor 260 is arranged on the same side as the blower device 62.
  • the traction cable 256 is guided along the receptacle 58 in a first region 262. A change of direction then occurs at a second region 264.
  • the second region 264 is guided, in particular, above the blower device 62.
  • the motor 260 maintains this position 252. In particular, it is intended that the position 252 is also maintained when the motor 260 is not operating (not supplied with electrical energy).
  • activation of the motor 260 is necessary to move the cassette holder 98 out of position 252 and thereby lower it.
  • the motor 260 then effectively cancels the tension by rotating in a direction opposite to a lifting direction, and the spring device 248 then causes the lowering.
  • the cable pulling device 254 comprises a pulley element 268.
  • the pulley element 268 is arranged, for example, on the first region 262 of the pull rope 256. In one embodiment, the pulley element 268 is arranged on the rear region 54 of the cleaning head body 14.
  • the pulley element 268 has a displacement element 270 that is displaceably mounted.
  • a displacement direction 272 is oriented parallel to the rotation axis 96.
  • the displacement direction 272 is in particular a linear direction.
  • a first traction cable 274 is guided in a loop 276 on the displacement element 270.
  • the displacement element 270 acts as a kind of pulley for the first traction cable 274.
  • the first traction cable 274 is fixedly connected at one end 278 (possibly using a spring device) to the cleaning head body 14 and, for example, to the rear region 54.
  • this first pull cable 274 is connected to the motor 260. (In Figure 25, the motor 260 is indicated, but its actual position is shown in Figure 3.)
  • Loop 276 lies between ends 278 and 280.
  • a second traction cable 282 is fixedly connected to the displacement element 270 at a corresponding end 284. At another end, it is connected to the fastening element 258.
  • the displacement element 270 By activating the motor 260, the displacement element 270 is displaced in the displacement direction 272. This causes the second traction cable 282 taken along, meaning that tension is exerted, allowing the cassette holder 98 to be lifted. A corresponding reset occurs.
  • the pulley element 268 allows the necessary motor power to be halved, resulting in a doubling of the travel distance.
  • the first pull cable 274 and the second pull cable 282 form the pull cable 256.
  • the first region 262 of the pull cable 256 comprises the second pull cable 282 and a part of the first pull cable 274.
  • the second region 264 and the third region 266 are formed on the first pull cable 274.
  • the first pull cable 274 is fixed to the cleaning head body 14 via a spring device 286.
  • the spring device 286 ensures that the first pull cable 274 is constantly under tension.
  • the surface cleaning device 10 was described above as a self-propelled and self-steering floor cleaning machine.
  • the inventive solutions in particular the flap 144, the push-to-release fixing device 192, and the movable and particularly spring-supported mounting of the cassette holder 98, can also be used alone or in combination with other types of surface cleaning devices, such as surface cleaning devices that are manually guided by a standing operator via a handle.
  • the surface cleaning device 10 functions as follows:
  • the cleaning roller 32 is inserted into the cassette 92, which is located outside the cleaning head 12. To do this, the flap 144 is opened, and then the cleaning roller 32 is inserted into the cassette 92. The state shown in Figure 7 is then achieved.
  • the flap 144 holds the cleaning roller 32 to the cassette 92. Furthermore, the wiper device 166 and the outlet device 174 are also integrated into the flap 144. During operation of the surface cleaning device 10, the at least one wiper bar 176 is pressed against or, in particular, into the facing 172 of the cleaning roller 32.
  • the cover 90 is opened and the cassette 92 is pushed in. It is pushed in such a way that the second part 104 and the first part 102 of the guide device 100 engage.
  • the cassette 92 is displaced in the insertion direction 184 toward the transverse wall 86 until the fixing device 192 can engage.
  • the first part 194 of the fixing device 192 is connected to the second part 196 on the cassette 92.
  • the cassette 92 is thereby fixed in the receptacle 84 relative to the axis 108. At the same time, a fluid-effective connection of the moistening device 140 to the cassette 92 is established, the outlet device 174 is aligned with the tank device 42, and the drive motor 200 is rotationally coupled to the cleaning roller 32.
  • the cover 90 is closed.
  • a cleaning operation can then be carried out.
  • the movable cassette holder supported by the spring device 248, allows the cleaning roller 32 to be pressed against the surface 16 to be cleaned during cleaning. This creates a floating bearing.
  • the contact pressure can be increased to improve the cleaning effect.
  • the cleaning roller 32 can be lifted via the cable pull device 254. This renders it inactive with regard to the cleaning effect (see Figure 24).
  • the cleaning roller 32 is deactivated accordingly.
  • An operator sets this accordingly and the control device activates the cable pull device 254, or a sensor detects the type of surface (such as floor type) and upon detection of a textile floor, the cable pull device 254 is automatically and independently activated in order to reach the position 252 of the cleaning roller 32.
  • an operator can remove the cleaning roller 32, for example, to wash it in a washing machine. To do so, they open the cover 90. By applying pressure to the cassette 92 or the cleaning roller 32 in the area of the opening 88 at a corresponding end 288 (see Figure 5), they release the fixing device 192.
  • the pressure snap device 208 provides a "push-to-release" mechanism.
  • a feed takes place, which can be amplified by the feed device 212.
  • the cassette 92 with the cleaning roller 32 is then pushed slightly out of the opening 88 to enable easier removal.
  • Pivot bearing device Pivot axis Pivot bearing Shaft element Receptacle Spring device Closed position First end Second end Angular range
  • Receiving wall swivel bearing device swivel axis

Landscapes

  • Cleaning In General (AREA)

Abstract

L'invention concerne un dispositif de nettoyage de surface, comprenant une tête de nettoyage (12) dotée d'un corps de tête de nettoyage (14), au moins un rouleau de nettoyage (32) pouvant tourner autour d'un axe de rotation (96), un moteur d'entraînement (200) pour le ou les rouleaux de nettoyage (32), et au moins une cassette (92) avec un dispositif de fixation (94) pour le ou les rouleaux de nettoyage (32), le ou les rouleaux de nettoyage (32) étant montés rotatifs sur le dispositif de fixation (94), et la ou les cassettes (92) étant ajustées de manière amovible sur la tête de nettoyage (12). Le dispositif de nettoyage de surface est caractérisé en ce qu'un porte-cassette (98), sur lequel ladite au moins une cassette (92) est maintenue de manière amovible, est monté mobile sur le corps de tête de nettoyage (14).
PCT/EP2025/053058 2024-02-09 2025-02-06 Dispositif de nettoyage de surface avec porte-cassette et son procédé de fonctionnement Pending WO2025168684A1 (fr)

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DE102024103726.1 2024-02-09
DE102024103726.1A DE102024103726A1 (de) 2024-02-09 2024-02-09 Flächenreinigungsgerät mit Kassettenhalter und Verfahren zum Betreiben eines Flächenreinigungsgeräts

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DE102024109736A1 (de) 2024-04-08 2025-10-09 Alfred Kärcher SE & Co. KG Flächenreinigungsgerät mit angetriebenem Seitenreinigungswerkzeug und Verfahren zum Betreiben eines Flächenreinigungsgeräts
DE102024109746A1 (de) 2024-04-08 2025-10-09 Alfred Kärcher SE & Co. KG Flächenreinigungsgerät mit Seitenreinigungswerkzeug und Verfahren zum Betreiben eines Flächenreinigungsgeräts

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