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
  • A47L11/40—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
  • A47L11/4038—Disk 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
  • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
  • A47L11/292—Floor-scrubbing machines characterised by means for taking-up dirty liquid having rotary tools
  • A47L11/293—Floor-scrubbing machines characterised by means for taking-up dirty liquid having rotary tools the tools being disc brushes
• • 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
  • A47L11/4075—Handles; levers
• • 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
  • A47L11/408—Means for supplying cleaning or surface treating agents
  • A47L11/4083—Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
• • 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
  • A47L11/408—Means for supplying cleaning or surface treating agents
  • A47L11/4088—Supply pumps; Spraying devices; Supply conduits

Definitions

• the invention relates to a trailer floor cleaning machine, comprising a chassis, which has a front end and a rear end, at least one cleaning tool, which is arranged on the chassis in the region of the front end, a tank means for liquid with at least one tank, which on the Chassis is arranged and over which the at least one cleaning tool liquid is provided, and a rear side, which is arranged in the region of the rear end of the chassis and which is an operator side.
• Such a trailer floor cleaning machine is used for example as a scrubber.
• An operator runs behind the machine during a cleaning process and travels behind the back of the machine.
• the invention has for its object to provide a trailer floor cleaning machine of the type mentioned, which has a simplified structure with reduced maintenance requirements.
• Liquid from the tank is provided via the obturator to the at least one cleaning tool without having to provide a hose connection or the like between the tank and the cleaning tool.
• the number of components can be kept low.
• the machine is easier to maintain. Furthermore, the maintenance susceptibility is reduced.
• the rod is in particular rotatably connected to the rotary member.
• a rotation of the rotary member directly causes a rotation of the rod.
• the rod is rotatably connected to the locking member. This causes a rotation of the rod directly an adjustment of the locking member. It can thereby directly a torque transmitted from the rotary member to the locking member and a fixed position of the rotary member defines a corresponding position of the locking member.
• the locking member has a movable shut-off, wherein the rod is non-rotatably connected to the shut-off and a rotational position of the shut-off determines a liquid flow at the locking member.
• the liquid flow can be opened or closed in a simple manner, and the flow rate can also be metered.
• the blocking member is designed as a ball valve or comprises a ball valve. Such a locking member can be realized in a simple manner and can also be easily operated by means of the rod.
• a nozzle is arranged, on which the locking member is seated.
• the nozzle serves as a holder for the locking member.
• it is flanged directly to the tank. This minimizes the fluid path between the tank and the at least one cleaning tool; there is no need to provide a fluid line between the tank and the obturator.
• a hose-free fluid-effective connection can be achieved.
• the rod is arranged transversely oriented. It is arranged in particular at an acute angle to a rotational axis of the at least one cleaning tool. It can be effectively housed in an interior of the trailer floor cleaning machine.
• the rod is at an acute angle to the back.
• the rod can be characterized in particular from top to bottom lead to a floor.
• a height direction of the trailer floor cleaning machine is particularly a vertical direction with respect to the direction of gravity when the trailer floor cleaning machine stands up on a horizontal plane.
• a housing wall is disposed on the chassis defining an interior space, the rod being positioned in the interior space. In the interior, components of the
• the trailer floor cleaning machine protected.
• a battery device, a suction device, one or more tanks, a drive for the cleaning tool, etc. protect positioned in the interior.
• the rod is also advantageously positioned. As a result, it is arranged protected and it can be stored in a simple way rotatable.
• the rod is guided at a distance along an outer housing wall of the housing. As a result, a rotation is not hindered.
• This distance is "small” for the effective use of space in the interior. It is in particular smaller than 10 cm and preferably smaller than 5 cm and in particular smaller than 1 cm. The space required for the rod in the interior is minimized.
• the rod is guided between a housing wall and a battery device. This results in an optimized use of space. For the same reason, it is favorable if the rod is guided between the rear side and the at least one tank.
• the rod is guided over a wheel which is held on the chassis and / or over a wheel housing for a corresponding wheel. This results in an optimal use of space.
• the rotary element is arranged at a height of at least 40 cm and in particular at least 50 cm above a floor, when the trailer floor cleaning machine is on the ground and the at least one cleaning tool is supported on the floor.
• the blocking member is designed as a metering-blocking member, wherein a flow rate of liquid can be metered by a rotational position of the rotary member.
• a metering of the amount of liquid supplied is possible.
• continuous metering is possible if, for example, the blocking member comprises a ball valve.
• the at least one tank on which the obturator is disposed has a recess in which the obturator is positioned, the indent being bounded by at least a first wall and a second wall of the at least one tank, the first wall and the second wall are connected together and oriented transversely to each other. It is thereby provided a space at which the barrier member can be positioned protected. Furthermore, easy access for the rod to the locking member is possible.
• the indentation is also limited by a third wall, which is transverse to the first wall and the second wall and is connected to the first wall and the second wall. This results in a "multi-sided" encapsulation of the locking member at the indentation.
• the at least one cleaning tool is preferably associated with a tool deck which covers the at least one cleaning tool upwards and preferably covers at least partially laterally, wherein the tool deck has at least one opening for liquid to the at least one cleaning tool out.
• the tool deck is a tool hood which, for example, protects an operator from the rotating cleaning tool. So that fluid can reach the at least one cleaning tool, at least one opening is provided. It can thereby be supplied from above through the tool deck through liquid. It is advantageous if an opening of the blocking member is arranged above the tool deck. In particular, a projection of the mouth of the obturator is in the height direction down to the tool deck.
• an opening of the blocking member is directly in fluid communication with the at least one opening or via a channel with the at least one opening.
• liquid exiting the mouth of the obturator may flow downwardly in the direction of gravity directly into the at least one opening.
• a gutter it forms a channel between the mouth and the at least one opening in which the liquid has a direction of flow transverse to the direction of gravity (relative to the case of proper operation of the floor cleaning machine where it rests on a floor).
• the at least one channel is arranged or formed on the tool deck. This results in an effective liquid supply to the at least one cleaning tool. In particular, a hose-free fluid-effective connection can be achieved.
• the at least one channel is open at the top. It can be trained in a simple way. Furthermore, there is a high ease of maintenance.
• the at least one channel has a first region, above which the mouth of the blocking member is arranged.
• the first region is formed in one embodiment as an inlet funnel. It can thereby flow liquid from the mouth, in particular in the direction of gravity down into the first region and are fed there over the remaining part of the channel of the at least one opening.
• the first region is designed as an inlet funnel in order to obtain an effective liquid injection.
• This first region of the channel can also serve as a buffer for liquid.
• the channel has a second region on which the at least one opening is arranged. Over the second area, the at least one opening is supplied with liquid.
• first region and the second region are oriented at least approximately parallel to one another, wherein, for example, their respective extension directions lie at an angle of at most 30 ° to one another.
• the channel has a third region which connects the first region and the second region.
• the at least one opening can then also be positioned at a distance from an outside of the at least one cleaning tool, so that liquid is supplied via an inner area.
• a suction device for excess liquid wherein in particular a suction bar is arranged in the region of the rear end.
• At the at least one cleaning tool liquid is applied to the ground during operation of the post-floor cleaning machine. This is provided by means of the blocking member via the at least one tank, wherein the metering or switching on and off takes place via the rotary member. Excess liquid remaining at the bottom can be sucked in by the suction device in order to obtain an optimized cleaning result.
• a drive for a rotational movement of the at least one cleaning tool is provided, wherein an axis of rotation of at least a cleaning tool is particularly transverse to a direction of travel. This can achieve effective cleaning.
• the trailer floor cleaning machine is preferably self-propelled. In one embodiment, rotation of the at least one cleaning tool causes a travel drive.
• the trailer floor cleaning machine are arranged. This allows an operator on the operator side to access them and thereby achieve good operability.
• Figure 1 is a partial perspective view of an embodiment of a trailer floor cleaning machine according to the invention with an open housing, wherein elements such as a
• Figure 2 is a partial side sectional view of the trailer floor cleaning machine of Figure 1;
• Figure 3 is an enlarged view of a lower portion of the trailer floor cleaning machine
• Figure 4 is a partial perspective view of the trailer floor cleaning machine according to Figure 1 in the direction A;
• FIG. 5 shows a partial view in the direction B according to FIG. 4 when removed
• FIG. 6 shows a sectional view along the line 6-6 according to FIG. 5.
• An exemplary embodiment of a trailer floor cleaning machine according to the invention which is shown in FIGS. 1 to 6 and designated therein by 10, comprises a chassis 12.
• the chassis 12 has a front end 10 and a rear end 14.
• the chassis 12 has a bottom plate 18. This extends between the front end 14 and the rear end 16.
• a wheel assembly 20 Disposed on the chassis 12 is a wheel assembly 20 having a left wheel 24 and a right wheel 26 with respect to a forward direction 22 (which is a direction from the rear end 16 to the front end 14).
• the wheel device 20 is arranged in a central region between the front end 14 and the rear end 16.
• the trailer floor cleaning machine 10 on a floor 28 ( Figure 2) can be set up.
• a Stauerrad listening 30 is further arranged, which is positioned between the wheel 20 and the rear end 16.
• the Stauerrad listening 30 includes one or more support rollers 32.
• the support roller or support rollers 32 are in particular pivotally mounted.
• a suction bar 34 is disposed on the chassis 12 in the region of the rear end 16.
• This suction bar 34 is in particular pivotable, so that it can be pivoted away from an insertion position, against which it bears against the floor 28, into a non-insertion position in which it is lifted off the floor 28.
• the Stauerrad responded 30 may be hinged to the suction bar 34 instead of the chassis 12, or the Saugbalken 34 is assigned its own Stützrad responded.
• the trailer floor cleaning machine 10 has a rear side 36 which is arranged on the chassis 12 and in the region of the rear end 16 transversely to the bottom plate 18 upwards (away from the floor 28, when the trailer floor cleaning machine 10 on the floor 28th stands up).
• the rear side 36 has a recess 38.
• the suction bar 34 is positioned.
• the trailer floor cleaning machine 10 In the operation of the trailer floor cleaning machine 10 is an operator in an area 40 behind the back 36 and runs to a certain extent the trailer floor cleaning machine 10 when it is moved in the forward direction 22.
• the operator stands immediately in front of the back side 36, which is an operator side.
• a cleaning tool 42 is disposed at the front end 14.
• the cleaning tool 42 is for example a
• a drive 44 is positioned on the chassis 12.
• the cleaning tool is rotatable about a rotation axis 46.
• the axis of rotation 46 lies transversely and in particular at least approximately perpendicular to the ground 28 when the trailer floor cleaning machine 10 is properly set up on the floor 28.
• the axis of rotation 46 is in particular at least approximately parallel to the back 36.
• the axis of rotation 46 may be slightly inclined relative to a height direction 48 of the post-floor cleaning machine 10, so that an active surface 50 of the Cleaning tool 42 is at a small acute angle to the bottom 28 in a cleaning operation.
• the height direction 48 is a vertical with respect to the direction of gravity g
• the cleaning tool 42 is rotatably mounted on the chassis 12 and driven in rotation by the drive 44.
• the drive 44 is for example an electric motor.
• a particular rechargeable battery device 52 (see Figure 1) is positioned on the chassis 12.
• the cleaning tool 42 is associated with a tool deck (tool hood) 54, which covers the cleaning tool 42 upwards (indicated in Figure 1 by the reference numeral 56) and laterally (indicated in Figure 1 by the reference numeral 58). Towards the bottom (towards the floor 28 to be cleaned), the tool deck 54 is open in order to allow ground contact.
• tool deck tool hood
• the cleaning tool 42 with the tool deck 54 is rotatably positioned between the wheel 20 and the front end 14 on the chassis 12.
• the tool deck 54 is rigidly disposed on the chassis 12, that is, the cleaning tool 42 rotates relative to the tool deck 54.
• the cleaning tool 42 protrudes with the tool deck 44 forward beyond the front end 14.
• the tool deck 54 has a maximum width B max (FIG. 1) which is at least as great and, in particular, greater than a corresponding width of the trailer floor cleaning machine 10 in the area of the wheel device 20
• the width direction is parallel to a wheel axle of the wheel device 20. This makes it possible to achieve effective edge cleaning.
• a housing 60 is arranged on the chassis 12.
• Housing wall 60 includes opposite lateral outer housing walls 62a, 62b. Further, in the region of the front end 14, a transverse wall 64 is arranged, which connects the lateral outer housing walls 62a, 62b. Furthermore, a distance to the transverse wall 64 spaced transverse wall 66 is provided, which in particular forms the back 36.
• An interior space 68 is formed in the housing wall 60. The interior 68 is limited downwards (toward the bottom 28) by the bottom plate 18. At the top, the interior 68 is bounded by a housing cover 70 (FIG. 2). Of the
• Housing cover 70 is in particular arranged and formed so that it is apparent so that the interior space 68 is accessible.
• the housing cover 70 is removably fixed to the housing wall 60 or it is pivotally fixed. In Figure 1, the housing cover 70 is removed.
• the drive 44 for the cleaning tool 42 is arranged in the interior 68. Further, the battery device 52 is in the
• a suction device 72 is arranged in the interior 68.
• the suction device 72 is in fluid communication with the suction bar 34 and serves to generate a negative pressure, in particular to achieve a suction of excess liquid.
• the suction device 72 in particular comprises a suction unit with a suction fan.
• the suction fan in turn comprises a drive.
• the drive is in particular an electric motor, which is supplied via the battery device 52 with the necessary electrical energy.
• the suction device 72 is associated with a tank means 74 for extracted liquid (dirty liquid), which just receives the dirty liquid.
• the suction device 72 may be associated with a separator.
• the tank device 74 is also arranged in the interior 68.
• the tank device 74 is arranged in the interior space 68 directly behind the rear side 36 (and thus between the wheel device 20 and the rear side 36).
• a liquid refilling tank 76 is further arranged for cleaning.
• the tank device 76 receives fresh water, which is supplied to the cleaning tool 42 during a cleaning process.
• the tank device 76 comprises at least one tank 78.
• the tank device 76 has a filler neck 80 with a closable lid, wherein the filler neck is arranged in particular in the region of the (front) transverse wall 64.
• the tank 78 of the tank means 76 for liquid is arranged on the chassis 12 in the region of the front end 14.
• the tank 78 is arranged in particular in the interior 68 above the cleaning tool 42.
• the tank 78 is arranged in particular between the wheel device 20 and the front end 14.
• a blocking member 82 is arranged directly.
• the blocking member 82 is arranged at a distance from the base plate 18 in the region of the tool deck 54 above the tool deck 54.
• the distance to the tool deck 54 is "small” and is in particular at most 20 cm and preferably at most 10 cm.
• a projection of the mouth 84 of the obturator 82 in the height direction 48 hits the cleaning tool 42 or is at most a little (especially less than 10 cm) laterally offset to the cleaning tool 42.
• a distance of the mouth 84 to the tool deck 54 is at most 20 cm and in particular at most 10 cm and in particular at most 5 cm.
• a nozzle 86 is arranged at the tank 78. This is flanged directly to the tank 78.
• the nozzle 86 has a cylindrical shape.
• the tank 78 has a recess 88.
• This indentation 88 is delimited by a first wall 90a, a second wall 90b, and a third wall 90c, which are corresponding wall areas of the tank 78 (see Figure 6 and Figure 3).
• a space 92 is formed. In this space 92, the nozzle 86 is positioned.
• the blocking member 82 has a shut-off body 94. This one is in the
• the shut-off body 94 is movable and in particular rotatable. Depending on a position (in particular rotational position) of the shut-off body 94, the amount of liquid which exits from the orifice 84 is set.
• the tank 78 has an opening 96 on the nozzle 86. Via this opening 96, an interior 98 of the connection piece 86 is in fluid-effective connection with an interior of the tank.
• the shut-off body 94 is positioned between the opening 96 and the mouth 84.
• a sealing element 100 is arranged between the shut-off body 94 and the opening 96. Further, at the mouth 84 between the shut-off body 94 and the mouth 84, a sealing element 102 is arranged.
• the shut-off body 94 is formed so that the amount of liquid passing through is metered, that is adjustable.
• the blocking member 82 is designed in particular as a ball valve, wherein the shut-off body 94 has a ball with a corresponding passage, wherein, depending on the position of the ball, the hydraulic cross-section is adjusted, which ensures a fluid-effective connection between the mouth 84 and the opening 96.
• shut-off body 94 In a closed position, the shut-off body 94 is positioned so that the fluid communication between the orifice 84 and the opening 96 is completely shut off and no liquid can pass.
• the tool deck 54 has (at least) a through opening 104 (cf., for example, FIG. Liquid provided to this opening 104 may flow through the opening 104 to the cleaning tool 42 and thereby be applied to the floor 28 to be cleaned.
• the obturator 82 is disposed with its mouth 84 directly above the opening 104 so that exiting liquid from the mouth 84 can flow directly into the opening 104.
• an area around the opening 104 is then formed as a filling funnel.
• a channel 106 is arranged on the tool deck 54. About this channel 106 may be liquid from the
• Mouth 84 to flow to the opening 104.
• the channel 106 is arranged or formed directly on the tool deck 54.
• the channel 106 is open in particular upwards (in the height direction 48).
• gutter 106 includes a first region 108 and a second region 110.
• First region 108 is below Mouth 84 of the locking member 82.
• second region 110 is the
• the first area 108 and the second area 110 are oriented at least approximately parallel to one another.
• the first area 108 has a greater width (bi) than the second area 110 (b 2 ).
• the first region 108 is preferably designed so that the mouth is positioned at a distance from a first end 112a and at a second end 112b of this first region 108 above the first region 108.
• a buffer volume for liquid is provided in particular.
• the mouth is above a middle one
• the first area 108 and the second area 110 are by a third
• Region 114 of the channel 106 connected to each other.
• the third region 114 is transverse to the first region 108 and to the second region 110.
• Liquid is provided to the channel 106 at the first region 108 and flows via the third region 114 to the second region 110 and is then provided there to the opening 104.
• the channel 106 is formed in the first region 108 in particular as a filling funnel.
• the trailer floor cleaning machine 10 has a handle unit 116, which is arranged on or in the region of the rear side 36 and protrudes, for example, over the housing cover 70 upwards. An operator standing in the area 40 may hold the handle unit 116.
• the handle unit 116 is disposed on a pillar 118. On the handle unit 116 controls are arranged.
• the handle unit is designed in particular as a steering wheel and the column 118 is accordingly a steering column. For example, then the corresponding steering wheel acts on a steering roller (not shown in the drawings).
• At the back 36 further controls the trailer floor cleaning machine 10 are arranged.
• a rotary member 120 is disposed between the chassis 12 and the handle unit 116.
• the rotary member 120 is rotatably mounted on the back.
• the rotary member 120 forms a knob for "turning on” and “off” the supply of liquid from the tank 78 to the cleaning tool 42. Furthermore, via the rotary member 120, a metering of the supplied liquid between the closed position and the open position is possible.
• a rod 122 is positioned in the interior 68.
• the rod 122 is in particular formed in one piece. It can also be designed in several parts.
• the rod 122 is particularly rigid. (Flexible training is also possible in principle.)
• Rotation of the rotary member 120 causes rotation of the rod 122.
• An axis of rotation of the rod 122 is parallel to the longitudinal direction of the rod 122, that is, parallel to the direction of connection between the rotary member 120 and the shut-off body 94.
• Rotation of the rod 122 in turn causes rotation of the rod 122 movable shut-off body 94 in order to reduce the flow amount to be set with respect to switching on, switching off and dosing between switching on and off.
• a certain rotational position of the rotary member 120 sets a certain rotational position of the shut-off body 94 in the socket 86 a. This predetermined by the rotary member 120
• the rod 122 is inclined with respect to the back 36 and the bottom plate 118 in the interior 68. It is at an acute angle, which is in particular in the range between 30 ° and 60 ° and in particular between 35 ° and 55 °. For example, this acute angle between the height direction 48 and the rod 122 is approximately 45 °.
• the rotary member 120 is located in the height direction 48 spaced from the articulation of the rod 122 to the locking member 82.
• the rod 122 has in particular a straight extension.
• the rod 122 extends between the back 36 and the tank 78. It is also located between the battery device 52 and the lateral outer
• Housing wall 62a (see Figure 1). It is arranged so that just her
• Rotation in the interior 68 is enabled and it is protected.
• the rod 122 is spaced from an inner side 126 of the lateral outer housing wall 62a. This distance is in particular 1 cm or less.
• the rotary member 120 is disposed with respect to the floor 28 so that an operator in the area 40 when a size of the operator is in an average range and the operator stands up on the floor 28 and the trailer floor cleaning machine 10 properly stands up on the floor 28 , the rotary member 120 can grip without bending over.
• a distance a in which the rotary element 120 is arranged above the floor 28 is at least 40 cm and in particular at least 50 cm.
• the trailer floor cleaning machine 10 has a traction drive.
• a drive motor may be provided which, for example, drives the wheels 24, 26 of the wheel device 20 (not shown in the drawings).
• the traction drive of the trailer floor cleaning machine 10 is effected by frictional contact of the cleaning tool 42 with the bottom 28.
• a rotation of the cleaning tool 42 causes depending on the direction of rotation a feed in the forward direction 22 or against the forward direction of travel 22nd
• the trailer floor cleaning machine 10 of the invention operates as follows:
• the trailer floor cleaning machine 10 is placed on the floor 28 to be cleaned.
• the cleaning tool 42 contacts the floor 28.
• the suction bar 34 also contacts the floor 28.
• liquid and in particular water is provided to the opening or openings 104 for the cleaning tool 42.
• the corresponding fresh water comes from the tank 78 (and any other tanks) of the tank means 74.
• the cleaning tool 42 which is in particular a brush performs, for example, a scrubbing through.
• the trailer floor cleaning machine 10 is driven to an area to be cleaned. First, the cleaning tool 42 acts on the area to be cleaned. When driving over then applied the suction bar 34, the area to be cleaned and excess liquid is sucked off.
• An operator adjusts the liquid supply to the cleaning tool 42 via the rotary element 120. He can handle the liquid feed switch on or off. Furthermore, it can dose the length of the supplied liquid. A rotation of the rotary member 120 is thereby transmitted directly via the rod 122 to the shut-off body 94 of the locking member 82. A defined by the rotary member 120 rotational position also determines the corresponding position of the shut-94.
• Liquid exiting the mouth 84 of the obturator 82 is provided directly to the opening 104, or is provided to the trough 106, with liquid then flowing to the opening 104 in the trough 106. There is no hose connection between the obturator and the opening 104.
• the blocking member 82 is flanged directly to the tank 78 via the connection piece 86 and is also arranged directly above the cleaning tool 42, so that the supply path or routes for liquid from the tank 78 to the cleaning tool 42 are minimized.

Priority Applications (3)

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Citations (4)

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• 2014
  • 2014-07-01 WO PCT/EP2014/063952 patent/WO2016000760A1/de active Application Filing
  • 2014-07-01 CN CN201480080246.2A patent/CN106470586B/zh active Active
  • 2014-07-01 EP EP14735923.6A patent/EP3164044B1/de active Active

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