EP3784102B1 - Bodenbehandlungsmaschine - Google Patents

Bodenbehandlungsmaschine Download PDF

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Publication number
EP3784102B1
EP3784102B1 EP19719613.2A EP19719613A EP3784102B1 EP 3784102 B1 EP3784102 B1 EP 3784102B1 EP 19719613 A EP19719613 A EP 19719613A EP 3784102 B1 EP3784102 B1 EP 3784102B1
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EP
European Patent Office
Prior art keywords
handle portion
treatment machine
floor treatment
wheel means
handle
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.)
Active
Application number
EP19719613.2A
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English (en)
French (fr)
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EP3784102A1 (de
Inventor
Simon WILTSHIRE
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.)
Numatic International Ltd
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Numatic International Ltd
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Publication date
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Publication of EP3784102A1 publication Critical patent/EP3784102A1/de
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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
    • A47L11/4072—Arrangement of castors or wheels
    • 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
    • A47L11/26—Floor-scrubbing machines, hand-driven
    • 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
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/04—Floor surfacing or polishing machines hand-driven
    • A47L11/08—Floor surfacing or polishing machines hand-driven with rotating 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
    • A47L11/28—Floor-scrubbing machines, motor-driven
    • 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
    • A47L11/4091—Storing or parking devices, arrangements therefor; Means allowing transport of the machine when it is not being used

Definitions

  • the present invention relates to the field of floor treatment machines for scrubbing, polishing, sanding or burnishing floors.
  • floor treatment machines for scrubbing, polishing, sanding or burnishing floors.
  • one or more driven rotatable work heads (such as scrubbing brushes) are provided for agitating the floor surface.
  • the invention relates to a walk-behind machine provided with a handle for steering and guiding the machine as it travels over a floor surface.
  • EP2832277 discloses a walk-behind wet floor scrubber have two side-by-side work heads, each comprising disc-shaped floor brushes. There is a trailing squeegee and associated suction drive and reservoir for collecting liquid from the floor surface. The brushes support the weight of the machine and counter-rotate to provide propulsive force.
  • the suction drive is disposed on a handle portion of the machine, along with a clean water reservoir for feeding a cleaning-liquid dispenser.
  • the hand has dual pivot axes permitting up/down handle movement as well as side-to-side. A problem with these machines is that when not in use the elongate handle should be conveniently secured vertically against movement in the two axes, without having to be leant against another object.
  • US5765250 discloses a floor cleaning machine which has a vertically pivotable upstanding handle portion, and a pair of support wheels.
  • the handle can be locked at a plurality of positions corresponding to bores of pin locking plates.
  • the present invention seeks to provide a handle immobilisation mechanism which is effective for securing floor treatment machine handles against handle pivoting, whether in one axis or two axes.
  • a walk-behind floor treatment machine comprising:
  • a lower region of the handle portion is pivotably connected to the wheel means via an articulated joint, the pivoting of the handle portion comprises up/down pivoting about a transverse axis and the articulated joint also permits side-to-side pivoting of the handle portion about a joint axis perpendicular to the transverse pivoting axis, the arrangement being such that the handle portion may be manipulated to act on the wheel means so as to yaw steer the wheel means about a yaw (i.e. vertical) axis defined by the floor-engaging contact of the wheel means, the yawing of the wheel means causing the base portion to yaw in response to yaw steering.
  • yaw i.e. vertical
  • a handle pivot lock mechanism in which the adoption of a predetermined handle portion orientation permits one or more locking feature to act on one or more corresponding constraint feature so as to prevent pivoting movement of the handle portion with respect to the base portion.
  • the predetermined handle orientation is preferably a vertical, or substantially vertical, orientation.
  • the locking feature preferably becomes aligned with the constraint feature so as to permit mutual engagement. Conversely, when the orientation is not achieved misalignment prevents engagement of the features.
  • the locking feature or features may be one or more detent feature and the constraint feature or features are one or more indent feature.
  • One of said features may be associated with the base portion or linkage, and the other of said features may be associated with the handle portion.
  • the pivoting of the handle includes (at least) up/down pivoting about a transverse axis, and the features may act to secure the handle portion against pivoting with respect to the transverse axis.
  • a user-operable lock-mechanism actuator is preferably provided which must be operated to allow the locking and constraint features to act on each other. This actuator may then be operated to unlock the features so as to release the handle portion.
  • the wheel means may comprise a wheel, roller or ball, preferably a single wheel, roller or ball, disposed at a lower region of the handle portion.
  • the wheel means preferably has a fixed transverse axis of rotation.
  • the linkage comprises at least one strut, one end region of which is provided with a pitch pivotal connection to the wheel means, which connection is coaxial with the wheel means axis of rotation, and wherein another end region of the strut is attached to the base portion.
  • the strut may be provided with a convex upper surface provided with the indent feature.
  • the detent feature may be connected to a lower region of the handle portion for travel in an arc which corresponds to the profile of the convex upper surface, the arrangement being such that the detent feature can slide over the convex surface during up/down pivoting of the handle portion about the transverse axis.
  • a lock actuator may be provided to displace or urge the detent feature against the surface so when the detent feature and indent feature are aligned the detent feature projects into the indent so as to lock motion of the handle portion.
  • struts disposed on either side of the wheel means in a generally parallel arrangement and two respective detent features, one for each strut.
  • the two detent features may be provided by respective downwardly extending prongs of a locking member fork.
  • the convex surface may be provided with end stops at opposite ends thereof, which end stops limit travel of the detent along the convex strut profile so as to limit transverse pivoting of the handle portion to upper and lower arc boundaries.
  • the other end region of the strut or struts may be attached to the base portion via a pitch pivotal connection.
  • the aforementioned pitch pivotal connections permit the vertical travel of the base portion with respect to the wheel means.
  • Said one or more rotatable work head typically support the base portion on the floor surface with the linkage permitting floating vertical travel of the work heads with respect to the wheel means.
  • the articulated joint permits side-to-side pivoting of the handle about the joint about an axis perpendicular to the pivot transverse axis.
  • the side-to-side pivot of the articulated joint may be provided at a location vertically / rearwardly spaced apart from the transverse pivot.
  • a side-to-side pivot locking mechanism is provided in which entry of a traveller associated with the handle portion into a constraint feature prevents side-to-side pivoting.
  • the traveller is a retractable shuttle accommodated in a lower end region of the handle portion.
  • the shuttle may be movable from a retracted position in which side to side pivoting of the handle portion is permitted, and an extended position in which a distal end of the shuttle is constrained (e.g. between cheek features) which prevent pivoting from side-to-side of the handle portion.
  • the cheek features may define a generally vertical enclosure for accommodating the distal end of the shuttle, the shuttle traveling axially with respect to the handle portion, so that when the shuttle distal end is constrained the handle is dead centre of the side-to-side handle movement range.
  • the traveller/shuttle may be capable of acting on said locking member fork to cause locking of transverse handle portion pivoting as the side-to-side pivoting is locked.
  • the locking member fork and traveller may be connected by a pin and track engagement which provides vertical pin constraint and limited lateral pin freedom corresponding to side-to-side handle portion pivoting.
  • the track is preferably arcuate in form.
  • Movement of the traveller towards the constraint condition may cause the pin to act on the track constraint, and wherein the track is provided in the locking member fork, so that movement of the traveller causes movement of the fork into indent engagement.
  • both handle portion pivot axes may be locked at the same time, conveniently with the handle portion in a generally vertical orientation.
  • the traveller or shuttle may be resiliently biased so that when actuated the traveller/shuttle is urged towards its constraint position.
  • a distal end of the handle portion may be provided with a transversely oriented handle bar for the user to grip with a hand on each side of the bar.
  • An upper end region of the handle portion may be provided with a handle position locking mechanism actuator.
  • the wheel means may comprise a wheel, roller or ball, singular or co-axial adjacent pairs. Preferably there is a single wheel, roller or ball, most conveniently disposed at a lower region of the handle portion.
  • the wheel means may preferably have a fixed transverse axis of rotation (when placed on the floor). In other words there is no caster wheeling.
  • the wheel or roller may however be adapted to tilt into a turn (so it tilts about an axis coaxial with the direction of travel).
  • the articulated joint may comprise a yoke which accommodates the wheel, roller or ball of the wheel means, which yoke preferably pivots about the wheel rotation axis.
  • the side-to-side pivot may be disposed on an upper bridging portion of the yoke.
  • the side-to-side pivot may comprise a U-section bracket rotated 90 degrees with respect to the yoke and which receives a lower end of the handle, with a pivot pin bridging the bracket cheeks.
  • the base portion and associated work head(s) may be disposed at a front region of the machine.
  • the wheel means may be disposed aft of the work head(s) and base portion with the linkage coupling extending between the wheel means and base portion (preferably generally centrally of machine or a centre region of the base portion).
  • the machine is a wet scrubbing machine. It may be provided with a cleaning fluid reservoir and cleaning fluid delivery outlet.
  • a squeegee liquid collector is preferably provided which is coupled to the machine by a trailing linkage.
  • the linkage may permit up/down travel of the squeegee collector with respect to the wheels means.
  • the trailing linkage is preferably pivotably coupled to the wheel means co-axially with the transverse axis of the wheel means.
  • the machine may be provided with a squeegee suction drive and dirty liquid collection reservoir.
  • the squeegee collector may be able to adopt a transport (or storage) configuration in which the squeegee is pivoted down and depending from the trailing linkage (with the wheels/rollers on the floor), or folded up vertically away from the floor.
  • Forward propulsion of the machine is preferably provided by work head rotation.
  • the direction of rotation controls forward or backward movement.
  • the propulsion can be provided by using two work heads which counter-rotate.
  • the user can roll the handle slightly to roll the work head lightly which will cause improved traction on one side of the work head, which will induce forward propulsion if that side is the returning rotational side.
  • the drive means may comprise one or more electric motors carried by the base portion and coupled to the work head or heads.
  • Other arrangements are possible, such as a single motor which drives both heads via a pulley, chain or gear train.
  • a single motor for each head is preferred.
  • the twin motors are configured and/or controlled to cause the work heads to counter rotate with respect to one another, thereby to provide a propulsive force.
  • Scrubber brush driven machines are well known in the art. For example a single brush may be induced to drive by tilting the machine (base portion) onto the retreating side of a rotating disc-shaped, floor facing, work head.
  • the machine of the invention is preferably a walk-behind machine.
  • a distal end of the handle portion may be provided with a transversely oriented handle bar for the user to grip with a hand on each side of the bar.
  • the handlebar may be provided with a speed control lever and cleaning fluid dispensing actuator.
  • a floor scrubber dryer machine in accordance with the present invention is shown generally as 10.
  • the machine comprises an elongate rectangular section handle portion 12.
  • the handle portion 12 comprises a top end region and a bottom end region.
  • a handlebar 13 is transversely mounted via a bore at the top end region of the handle portion 12.
  • a control unit (not shown) is also provided at the top end region. During use the user walks behind the machine and guides it over the floor surface to be cleaned using the handlebar 13.
  • the bottom end region of the handle portion 12 is pivotally attached between upstanding ear portions of a generally U-section mounting bracket 14.
  • the pivot is oriented fore-aft to enable side-to-side rotation of the handle portion relative to the bracket 14 about a pivot Axis 1, as shown in the arrows A, A'.
  • Axis 1 is substantially perpendicular to the length of the handle portion 12 and permits the handle to be swung transversely from side to side about the bottom end of the handle portion.
  • the bracket 14 has a lower region which is configured as a fork or yoke 17 formed by two spaced apart downwardly extending cheek plates.
  • a guide wheel 18 is located between the cheek plates and mounted for rotation about an axle (not visible) which is co-axial with Axis 2.
  • the wheel has a central hub and a circumferential solid rubber tyre.
  • the axle permits the mounting bracket, fork and handle portion to be pivoted forward/backwards, up/down through an arc around the transverse Axis 2 provided by the axle.
  • the wheel 18 is arranged to enable rotation about a single axis (Axis 2) and is otherwise fixed in position.
  • the wheel 18 may be configured to lean either left or right into a turn as a user manoeuvres the machine 18 around the floor surface. This can improve the handling of the machine 10.
  • the same leaning could apply to other wheel means which may be used, such as a roller or a ball.
  • a pair of elongate, forwardly extending, spaced apart, parallel mounting struts 21 are pivotally attached at rear end regions thereof to opposite respective sides the wheel axle 19 projecting from either side of the wheel 18. Front end regions of each strut are attached to a pair of upstanding, spaced apart generally trapezoidal upright brackets 22 formed on a rectangular work base plate 23. The attachment is made via a pivot connection 24 having a transverse axis of pivoting rotation.
  • the rear end regions of the struts are each formed with a generally semi-circular (convex) hump 43, an edge of which defines an upper convex surface 40.
  • the surface has at front and rear limits there of steps 41 and 42.
  • a central portion of the surface is formed with a square cut-out (or indent) 44.
  • each prong is sized to be a fit for the indents 44 in the strut hump.
  • the terminal face of each prong abuts the upper convex surface (40) of the strut hump, as shown in figure 2 .
  • a bridging portion of the fork member is formed with a cut-out elongate curved track 48 which has a radius defined by its distance below handle portion pivot Axis 1 (pivot pin 49).
  • An upper surface of the fork member is formed with a concave saddle 56 which seats a lower end 57 of a shuttle 50.
  • the shuttle is an elongate vertically oriented block which is accommodated within a cavity defined at a lower end region 51 of the handle portion, as is best shown in figure 3a .
  • a lower end of the shuttle carried a track pin 52 which projects into the curved track 48.
  • a mid-region of the shuttle is formed with a vertically oblong bore 53 which accommodated the Axis 1 pivot rod 49.
  • the handle portion may pivot around the pivot pin 49 from side to side, by an extent limited by the arc of travel of the track pin in the track 48.
  • a coil spring 55 is accommodated in the upper end of the cavity. As shown in figure 3a and 33b the spring is compressed and acts between the top end of the shuttle and a bulkhead of the cavity, with the shuttle held retracted by the cable 54.
  • the shuttle is a sliding fit in the cavity and on release of the cable restraint can travel downwards, to an extent limited by the oblong bore, as shown in figures 4a and 4b .
  • a pair of internal side cheeks 56, 57 ( figure 4a ) of the prongs 17 of bracket 14 define an aperture into which the shuttle can impinge when the handle portion and shuttle are vertically oriented, as shown in figure 4a . Entry into this aperture of the lower end of the shuttle fixes or locks the handle portion in a vertical orientation (with respect to pivot Axis 1).
  • the downwardly-shifted shuttle also shifts the fork member down too, by virtue of the pin acting on a lower edge of the track 48.
  • the handle portion is vertical with respect to pivot Axis 2 (axle 19)
  • the fork prongs 46, 47 engage with indents 44 in the upper edge of the struts 21. This immobilises the handle in a vertical orientation.
  • the base portion supports thereon two electric motors side by side which are a left scrubber electric motor 25 and a right scrubber electric motor 26.
  • a left scrubber brush 27 and a right scrubber brush 28 are attached under the base portion 23 to depending respective rotors (not shown) of the electric motors.
  • the left scrubber and right scrubber are mounted to the rotors using conventional means such as a hub or chuck (not shown).
  • Each scrubber brush 27, 28 comprises a disc shaped lower portion 29, and an annular array of fibre brushes 30, fixed an underside of the lower portion.
  • the scrubber brushes are arranged to enable rotation in opposite directions and about parallel vertical axes as shown in Figure 1 , which can provide forward or rearward propulsion
  • a squeegee collector 30 Pivotally mounted to the rear of the wheel 18 is a squeegee collector 30.
  • Two parallel trailing pivot arms are provided, coaxially mounted to the wheel axle 19. This allows the collector to follow surface undulations, but also allows it to be folded up when not in use.
  • the collector 30 comprises an elongate lenticular form squeegee collector arm, of conventional design.
  • the squeegee interior (suction chamber) defined between forward and rear blades is in fluid communication (via port 31) with a suction drive (not shown) which may be mounted on the handle portion 12 or the base portion 23 so as to entrain and draw-up waste water that has passed through the scrubbers brushes. Waste water drawn-up from the suction chamber is stored in a tank (not shown).
  • the suction drive and tank may be positioned above the scrubber base portion, or on the handle portion 12, or at another convenient location on the machine 10.

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Claims (22)

  1. Mitgänger-Fußbodenbehandlungsmaschine (10), umfassend:
    einen Basisabschnitt (22, 23), der mit mindestens einem drehbaren Arbeitskopf (27, 28) zum Behandeln des Fußbodens versehen ist und davon gestützt wird,
    einen Griffabschnitt (12) zum Lenken oder Führen der Maschine entlang einer Arbeitsfortbewegungsrichtung, der dazu angepasst ist, in Bezug auf den Basisabschnitt schwenkbar zu sein,
    Antriebsmittel (25, 26) zum Drehen des Arbeitskopfs oder der Arbeitsköpfe in Bezug auf den Basisabschnitt,
    ein mit dem Fußboden in Eingriff befindliches Radmittel (18) zum Stützen des Griffabschnitts, wobei das Radmittel (18) eine im Wesentlichen querlaufende Drehachse (Achse 2) aufweist, um die Fortbewegung in der Arbeitsrichtung zu ermöglichen, wobei das Radmittel (18) durch eine Kopplung (21) an den Basisabschnitt gekoppelt ist, die die vertikale Fortbewegung des Basisabschnitts und
    eines zugehörigen Arbeitskopfs oder zugehöriger Arbeitsköpfe in Bezug auf das Radmittel ermöglicht, aber die eine Einzwängung in Querrichtung bereitstellt, um das Gieren des Basisabschnitts in Bezug auf das Radmittel zu begrenzen oder zu verhindern,
    wobei ein unterer Bereich des Griffabschnitts über ein Knickgelenk mit dem Radmittel schwenkbar verbunden ist, wobei es sich bei dem Schwenken um Auf-/AbSchwenken des Griffabschnitts um eine querlaufende Schwenkachse (Achse 2) handelt und wobei das Knickgelenk außerdem das Seite-zu-Seite-Schwenken des Griffs um eine Gelenkschwenkachse (Achse 1, A-A') senkrecht zu der querlaufenden Schwenkachse ermöglicht, wobei die Anordnung derart ist, dass der Griffabschnitt manipuliert werden kann, um auf das Radmittel zu wirken, um Gierlenkung des Radmittels um eine von dem Fußbodeneingriffskontakt des Radmittels definierte Gierachse durchzuführen, wobei das Gieren des Radmittels bewirkt, dass der Basisabschnitt als Reaktion auf die Gierlenkung giert, und
    wobei ein Griffschwenksperrmechanismus bereitgestellt ist, in dem das Einnehmen einer vorgegebenen Griffabschnittsorientierung ermöglicht, dass ein oder mehrere Sperrmerkmale (17, 46, 47) auf ein oder mehrere entsprechende Einzwängmerkmal (44, 56, 57) wirken, um die Schwenkbewegung des Griffabschnitts in Bezug auf den Basisabschnitt zu verhindern.
  2. Fußbodenbehandlungsmaschine nach Anspruch 1, wobei es sich bei der vorgegebenen Grifforientierung um eine vertikale Orientierung handelt.
  3. Fußbodenbehandlungsmaschine nach Anspruch 1 oder Anspruch 2, wobei in der vorgegebenen Orientierung das Sperrmerkmal (17, 46, 47) auf das Einzwängmerkmal (44) ausgerichtet wird, um den gegenseitigen Eingriff zu ermöglichen, und wenn die Orientierung nicht erreicht wird, die Fehlausrichtung den Eingriff der Merkmale verhindert.
  4. Fußbodenbehandlungsmaschine nach einem der vorangehenden Ansprüche, wobei es sich bei dem Sperrmerkmal oder den Sperrmerkmalen um ein oder mehrere Rastenmerkmale (17, 46, 47) handelt und es sich bei dem Einzwängmerkmal oder den Einzwängmerkmalen um ein oder mehrere Vertiefungsmerkmale (44, 56, 57) handelt, wobei eines der Merkmale mit dem Basisabschnitt oder der Kopplung assoziiert ist und das andere der Merkmale mit dem Griffabschnitt assoziiert ist.
  5. Fußbodenbehandlungsmaschine nach einem der vorangehenden Ansprüche, wobei die Merkmale wirken, um den Griffabschnitt gegen Auf-/Ab-Schwenken in Bezug auf die querlaufende Achse (Achse 2) zu sichern.
  6. Fußbodenbehandlungsmaschine nach einem der vorangehenden Ansprüche, wobei das Radmittel ein Rad (18), eine Rolle oder eine Kugel umfasst, das bzw. die an einem unteren Bereich des Griffabschnitts angeordnet ist.
  7. Fußbodenbehandlungsmaschine nach einem der vorangehenden Ansprüche, wobei das Radmittel (18) eine feststehende querlaufende Drehachse aufweist.
  8. Fußbodenbehandlungsmaschine nach einem der vorangehenden Ansprüche, wobei die Kopplung mindestens eine Strebe (21) umfasst, von der ein Endbereich mit einer Nick-Schwenkverbindung mit dem Radmittel versehen ist, wobei diese Verbindung mit der Drehachse des Radmittels koaxial ist und wobei ein anderer Endbereich der Strebe an dem Basisabschnitt angebracht ist.
  9. Fußbodenbehandlungsmaschine nach Anspruch 8, wobei die oder jede Strebe mit einer konvexen oberen Oberfläche (40) versehen ist, die mit dem Vertiefungsmerkmal (44) versehen ist, und das Rastenmerkmal zur Fortbewegung in einem dem Profil der konvexen oberen Oberfläche entsprechenden Bogen mit einem unteren Bereich des Griffabschnitts verbunden ist, wobei die Anordnung derart ist, dass das Rastenmerkmal während des Auf-/Ab-Schwenkens des Griffabschnitts um die querlaufende Achse über die konvexe Oberfläche gleiten kann.
  10. Fußbodenbehandlungsmaschine nach Anspruch 9, wobei ein Sperraktor das Rastenmerkmal (46, 47) an die konvexe obere Oberfläche (40) drückt, sodass, wenn das Rastenmerkmal und das Vertiefungsmerkmal (44) aufeinander ausgerichtet sind, das Rastenmerkmal in die Vertiefung ragt, um die Bewegung des Griffabschnitts zu sperren.
  11. Fußbodenbehandlungsmaschine nach einem der Ansprüche 8 bis 10, wobei zwei Streben (21) jeweils auf einer Seite des Radmittels in allgemein paralleler Anordnung und zwei jeweilige Rastenmerkmale (16), eines für jede Strebe, angeordnet sind.
  12. Fußbodenbehandlungsmaschine nach Anspruch 11, wobei die zwei Rastenmerkmale durch jeweilige sich nach unten erstreckende Zinken (46, 47) einer Sperrelementgabel (17) bereitgestellt sind.
  13. Fußbodenbehandlungsmaschine nach einem der Ansprüche 9 bis 12, wobei die konvexe Oberfläche mit Endanschlägen (41, 42) an entgegengesetzten Enden derselben versehen ist, wobei diese Endanschläge die Fortbewegung der Rastenmerkmale entlang des konvexen Strebenprofils begrenzen, um das Schwenken in Querrichtung des Griffabschnitts auf eine obere und eine untere Bogenbegrenzung zu begrenzen.
  14. Fußbodenbehandlungsmaschine nach einem der Ansprüche 8 bis 13, wobei der andere Endbereich der Strebe über eine Nick-Schwenkverbindung (24) an dem Basisabschnitt angebracht ist und die Nick-Schwenkverbindungen die vertikale Fortbewegung des Basisabschnitts in Bezug auf das Radmittel ermöglichen.
  15. Fußbodenbehandlungsmaschine nach einem der vorangehenden Ansprüche, wobei der eine oder die mehreren drehbaren Arbeitsköpfe (28, 29) den Basisabschnitt auf der Fußbodenoberfläche stützen, wobei die Kopplung die schwebende vertikale Fortbewegung der Arbeitsköpfe in Bezug auf das Radmittel (18) ermöglicht.
  16. Fußbodenbehandlungsmaschine nach einem der vorangehenden Ansprüche, wobei die Seite-zu-Seite-Schwenkachse (Achse 1) des Knickgelenks an einem von und über der querlaufenden Schwenkachse (Achse 2) vertikal beabstandeten Ort bereitgestellt ist.
  17. Fußbodenbehandlungsmaschine nach Anspruch 16, wobei ein Seite-zu-Seite-Schwenksperrmechanismus bereitgestellt ist, in dem das Eindringen eines mit dem Griffabschnitt assoziierten Läufers (50) in ein Einzwängmerkmal (56, 57) das Seite-zu-Seite-Schwenken verhindert.
  18. Fußbodenbehandlungsmaschine nach Anspruch 17, wobei es sich bei dem Läufer um eine einfahrbare Pendelvorrichtung (50) handelt, die in einem unteren Endbereich des Griffabschnitts aufgenommen ist, wobei die Pendelvorrichtung aus einer eingefahrenen Stellung, in der das Seite-zu-Seite-Schwenken des Griffabschnitts ermöglicht ist, und einer ausgefahrenen Stellung, in der ein distales Ende der Pendelvorrichtung zwischen Backenmerkmalen (56, 57) eingezwängt ist, die das Schwenken von Seite zu Seite des Griffabschnitts verhindern, beweglich ist.
  19. Fußbodenbehandlungsmaschine nach Anspruch 18, wobei die Backenmerkmale eine allgemein vertikale Einfassung zum Aufnehmen des distalen Endes der Pendelvorrichtung definieren, wobei sich die Pendelvorrichtung in Bezug auf den Griffabschnitt axial bewegt, sodass, wenn das distale Ende der Pendelvorrichtung eingezwängt ist, sich der Griff im oberen Totpunkt der Seite-zu-Seite-Griffbewegungsspanne befindet, wobei es sich bei den Backenmerkmalen um Innenflächen der Sperrelementgabel handeln kann, wodurch der Läufer (50) in der Lage ist, auf die Sperrelementgabel (17) zu wirken, um das Sperren des Schwenkens in Querrichtung des Griffabschnitts zu bewirken, wenn das Seite-zu-Seite-Schwenken gesperrt wird.
  20. Fußbodenbehandlungsmaschine nach Anspruch 19, wobei die Sperrelementgabel und der Läufer durch einen Eingriff zwischen einem Zapfen (52) und einer Schiene (48) verbunden sind, der vertikale Einzwängung des Zapfens und begrenzte seitliche Freiheit des Zapfens, die dem Schwenken des Griffabschnitts von Seite zu Seite entspricht, bereitstellt.
  21. Fußbodenbehandlungsmaschine nach einem der Ansprüche 17 bis 20, wobei der Läufer/die Pendelvorrichtung (50) elastisch belastet ist, sodass, wenn betätigt, der Läufer/die Pendelvorrichtung in Richtung seiner bzw. ihrer eingezwängten Stellung gedrückt wird.
  22. Fußbodenbehandlungsmaschine nach einem der vorangehenden Ansprüche, wobei ein oberer Endbereich des Griffabschnitts mit einem Griffstellungs-Sperrmechanismusaktor versehen ist.
EP19719613.2A 2018-04-27 2019-04-23 Bodenbehandlungsmaschine Active EP3784102B1 (de)

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GB1806900.5A GB2573161B (en) 2018-04-27 2018-04-27 Floor treatment machine
PCT/GB2019/051122 WO2019207289A1 (en) 2018-04-27 2019-04-23 Floor treatment machine

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EP3784102B1 true EP3784102B1 (de) 2023-09-27

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EP (1) EP3784102B1 (de)
CN (1) CN112739247B (de)
ES (1) ES2966731T3 (de)
GB (1) GB2573161B (de)
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WO (1) WO2019207289A1 (de)

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Publication number Publication date
EP3784102A1 (de) 2021-03-03
GB2573161A (en) 2019-10-30
ES2966731T3 (es) 2024-04-24
GB201806900D0 (en) 2018-06-13
PL3784102T3 (pl) 2024-03-18
GB2573161B (en) 2022-08-24
US20210076894A1 (en) 2021-03-18
CN112739247A (zh) 2021-04-30
WO2019207289A1 (en) 2019-10-31
CN112739247B (zh) 2022-10-28

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