EP3804600B1 - Bodenschrubbertrockner - Google Patents

Bodenschrubbertrockner Download PDF

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Publication number
EP3804600B1
EP3804600B1 EP20200730.8A EP20200730A EP3804600B1 EP 3804600 B1 EP3804600 B1 EP 3804600B1 EP 20200730 A EP20200730 A EP 20200730A EP 3804600 B1 EP3804600 B1 EP 3804600B1
Authority
EP
European Patent Office
Prior art keywords
floor
brush
wiper
axis
floor wiper
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
EP20200730.8A
Other languages
English (en)
French (fr)
Other versions
EP3804600C0 (de
EP3804600A1 (de
Inventor
Giuliano RIGO
Renato GIUPPONI
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.)
Adiatek Srl
Original Assignee
Adiatek Srl
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Filing date
Publication date
Application filed by Adiatek Srl filed Critical Adiatek Srl
Publication of EP3804600A1 publication Critical patent/EP3804600A1/de
Application granted granted Critical
Publication of EP3804600C0 publication Critical patent/EP3804600C0/de
Publication of EP3804600B1 publication Critical patent/EP3804600B1/de
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Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • A47L11/302Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools
    • A47L11/305Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools the tools being disc brushes
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/4036Parts or details of the surface treating tools
    • A47L11/4038Disk shaped surface treating tools
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/4036Parts or details of the surface treating tools
    • A47L11/4044Vacuuming or pick-up tools; Squeegees
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/4052Movement of the tools or the like perpendicular to the cleaning surface
    • A47L11/4055Movement of the tools or the like perpendicular to the cleaning surface for lifting the tools to a non-working position

Definitions

  • the present invention relates to a floor scrubber dryer.
  • Floor scrubber dryers are known and widely used which are constituted by a supporting frame, provided with optionally motorized traction wheels and provided, in its lower part directed toward the floor, with a washing and drying assembly.
  • the washing and drying assembly is typically constituted by at least one nozzle for dispensing the washing liquid, by one or more rotating brushes, generally with a vertical axis.
  • At least one suction port and a floor wiper for collecting the dispensed liquid and the dirt.
  • the floor wiper has a curvilinear extension which is extended around a vertical axis of the floor wiper, said axis being arranged to the rear of, or coinciding with, the axis of the brushes with respect to the forward travel direction of the machine.
  • the floor wiper is supported so that it can rotate about its own axis so as to be arranged always to the rear of the forward travel direction of the machine, so as to ensure correct drying.
  • Known floors scrubber dryers are provided with means for moving the washing and drying assembly between an active lowered position, in which the brush and the floor wiper rest on the floor, and a raised or inactive position, in which the brush and the floor wiper are raised with respect to the floor.
  • US2015/359397 discloses such a floor scrubber dyer.
  • the aim of the present invention is to provide a floor scrubber dryer that is capable of improving the background art in one or more of the aspects indicated above.
  • an object of the invention is to provide a floor scrubber drier that is highly maneuverable.
  • Another object of the invention is to provide a floor scrubber dryer that is extremely compact, especially in a longitudinal direction.
  • Another object of the invention is to provide a floor scrubber dryer that is highly reliable, relatively easy to provide and at competitive costs.
  • the floor scrubber dryer designated generally by the reference numeral 1, comprises a base frame 2 which is provided, in its lower region 2a directed toward the floor, with cleaning means 10.
  • the cleaning means 10 comprise a brush 11, which can rotate on command about a rotation axis 100 that is substantially perpendicular to the floor, means for dispensing a washing liquid, and means 20 for picking up the dirty liquid.
  • the means 20 for picking up the dirty liquid comprise a suction assembly 21 and a floor wiper 22.
  • the floor wiper 22 is arranged to the rear of the brush 11 along the direction of forward travel of the base frame 2 on the floor.
  • the floor wiper 22 is extended around the brush 11 and can move along a movement trajectory that is extended around the axis of rotation 100 of the brush 11.
  • the floor scrubber dryer is provided with first means for the movement of the cleaning means 10 in order to move said cleaning means 10 between an active lowered position, in which the brush 11 and the floor wiper 22 rest on the floor, and a raised or inactive position, in which the brush 11 and the floor wiper 22 are raised with respect to the floor.
  • the floor scrubber dryer 1 comprises second movement means 30, which act on the floor wiper 22, at least with the cleaning means 10 in the lowered position.
  • the second movement means 30 are adapted to move on command the floor wiper 22, independently of the brush 11, between a lowered position, in which the floor wiper 22 rests on the floor, and a raised position, in which the floor wiper 22 is in a raised position with respect to the floor.
  • the second movements means 30 can be actuated manually by the user, for example by means of a lever or an actuation device in general.
  • the user can for example act on the actuation device in order to lift the floor wiper 22 before reversing.
  • the floor scrubber dryer 1 is provided with a safety sensor element that is adapted to prevent reversing motion if the floor wiper 22 is in the lowered position.
  • the sensor element is associated with an acoustic and/or visual signaling device so that if the user engages the reverse gear without first lifting the floor wiper 22 there is a signal such as to suggest the user to act on the actuation device.
  • the second movement means 30 allow to lift from the floor exclusively the floor wiper 22, keeping the brush 11 in the lowered position.
  • the second movement means 30 comprise angular orientation means 40 which are adapted to allow the movement of the floor wiper 22 between the lowered position and the raised position and vice versa, keeping unchanged the angular position of the floor wiper 22 with respect to the rotation axis 100.
  • the angular orientation means 40 comprise at least one engagement element 41 which is supported by the floor wiper 22 and can engage an abutment element 42 that is supported by the brush 11 and is extended along the movement trajectory.
  • the engagement element 41 comprises a hook-shaped element and the abutment element 42 comprises an elongated body that extends below the hook-shaped element along the movement trajectory.
  • the second movement means comprise means for lifting the elongated body with respect to the brush 11 in order to lift the hook-shaped element and consequently the floor wiper 22.
  • the elongated body has a substantially semicircular extension and is hinged to a fixed frame 44 which supports the brush 11 about a first tilting axis 101 that is arranged close to the axis 100 of the brush 11.
  • the floor wiper 22 is connected to a supporting arm 23 that is extended radially with respect to the axis 100 of the brush 11.
  • the supporting arm 23 is supported rotatably, at a first free end, at the base frame 2 in order to allow the rotation of the floor wiper 22 about the axis 100 of the brush 11 along the movement trajectory.
  • the supporting arm 23 is furthermore articulated about a second tilting axis 102, at the second free end that is opposite the first free end, to the floor wiper 22.
  • the second tilting axis 102 is substantially parallel to the first tilting axis 101 and substantially corresponds to a centroid axis of the floor wiper 22.
  • the floor wiper 22 is associated with at least one adjustment wheel 24 which pivots about an axis that is substantially parallel to the axis 100 of the brush 11.
  • the floor wiper 22 is associated with two or more adjustment wheels 24.
  • the or each adjustment wheel 24 is designed to rest slidingly on the floor when the floor wiper 22 is in the lowered position.
  • the adjustment wheels 24 are associated with means for lifting/lowering with respect to the floor wiper in order to adjust the position of the lower edge of the floor wiper 22 with the cleaning means in the lowered active position.
  • the floor scrubber dryer 1 comprises a pair of rear wheels 50 which are arranged to the rear of the floor wiper 22 along the advancement direction of the base frame 2 on the floor.
  • the second movement means comprise a cable element 43, which is connected to an actuation element and acts between a portion of the abutment element 42 and of the base frame 2, in order to lift and lower the rear end of said abutment element 42.
  • the abutment element 42 has, when the floor wiper 22 is in the lowered position, an extension away from the ground from the rear end to the front end with respect to the advancement direction.
  • the operation of the floor scrubber dryer 1 according to the invention is as follows.
  • the user by acting on the first movement means, moves on command the cleaning means 10, constituted moreover by the brush 11 and by the floor wiper 22, between an active lowered position, in which the brush 11 and the floor wiper 22 rest on the floor, and a raised or inactive position, in which the brush 11 and the floor wiper 22 are raised with respect to the floor.
  • the operator may, by actuating the second movement means, lift and optionally lower exclusively the floor wiper 22, keeping the brush 11 in the active position, and optionally operating together with the dispenser of the washing liquid.
  • the presence of the angular orientation means 40 allows, during the lifting (and subsequent lowering) step of the floor wiper 22, to keep unchanged the angular position of the floor wiper 22 with respect to the axis 100 of the brush 11.
  • the invention achieves the intended aim and objects, providing a floor scrubber dryer that has an extremely high performance and is extremely maneuverable.
  • the possibility to lift the floor wiper 22 independently of the brush 11 allows to increase maneuverability and to also use the machine with a dispensing and washing function, subsequently providing drying at a later time, in a subsequent pass after the lowering of the floor wiper 22.
  • the materials used may be any according to the requirements and the state of the art.

Landscapes

  • Drying Of Solid Materials (AREA)

Claims (11)

  1. Ein Bodenschrubbertrockner (1), der einen Basisrahmen (2) umfasst, welcher in seinem dem Boden zugewandten unteren Bereich (2a) mit Reinigungsmitteln (10) ausgestattet ist, die eine Bürste (11) umfassen, welche sich auf Befehl um eine Drehachse (100) drehen kann, die im Wesentlichen senkrecht zum Boden ist, Mittel zum Abgeben einer Waschflüssigkeit, Mittel (20) zum Aufnehmen der schmutzigen Flüssigkeit, die einen Saugaufbau (21) und einen Bodenwischer (22) umfassen, angeordnet am hinteren Ende der Bürste (11) entlang der Vorschubrichtung des Basisrahmens (2) auf dem Boden, wobei der Bodenwischer (22) sich um die Bürste (11) herum erstreckt und entlang einer Bewegungstrajektorie beweglich ist, die sich um die Drehachse (100) der Bürste (11) herum erstreckt; wobei erste Mittel bereitgestellt sind für die Bewegung der Reinigungsmittel (10) zwischen einer aktiven abgesenkten Position, in welcher die Bürste (11) und der Bodenwischer (22) auf dem Boden aufliegen, und einer erhöhten oder inaktiven Position, in welcher die Bürste (11) und der Bodenwischer (22) mit Bezug auf den Boden angehoben sind, wobei der Bodenschrubbertrockner (1) weiter zweite Bewegungsmittel (30) umfasst, die, zumindest wenn die Reinigungsmittel (10) sich in der aktiven abgesenkten Position befinden, auf den Bodenwischer (22) einwirken und ausgebildet sind, um auf Befehl den Bodenwischer (22), unabhängig von der Bürste (11), zwischen einer abgesenkten Position, in welcher der Bodenwischer (22) auf dem Boden aufliegt, und einer erhöhten Position zu bewegen, in welcher der Bodenwischer (22) sich in einer mit Bezug auf den Boden erhöhten Position befindet; dadurch gekennzeichnet, dass die zweiten Bewegungsmittel (30) mit Hilfe einer Betätigungsvorrichtung oder eines Hebels vom Benutzer manuell betätigt werden können.
  2. Der Bodenschrubbertrockner gemäß Anspruch 1, dadurch gekennzeichnet, dass er ein Sicherheitssensorelement umfasst, ausgebildet, um eine Rückwärtsbewegung zu verhindern, wenn der Bodenwischer (22) sich in der abgesenkten Position befindet.
  3. Der Bodenschrubbertrockner (1) gemäß Anspruch 1 oder 2, dadurch gekennzeichnet, dass die zweiten Bewegungsmittel Winkelorientierungsmittel (40) umfassen, die ausgebildet sind, um die Bewegung des Bodenwischers (22) zwischen der abgesenkten Position und der erhöhten Position und umgekehrt zu gestatten, wobei die Winkelposition des Bodenwischers (22) mit Bezug auf die Drehachse (100) der Bürste (11) unverändert bleibt.
  4. Der Bodenschrubbertrockner (1) gemäß Anspruch 3, dadurch gekennzeichnet, dass die Winkelorientierungsmittel (40) mindestens ein Eingriffselement (41) umfassen, das von dem Bodenwischer (22) getragen ist und mit einem Widerlagerelement (42) in Eingriff stehen kann, das von der Bürste (11) getragen ist und sich entlang der Bewegungstrajektorie erstreckt.
  5. Der Bodenschrubbertrockner (1) gemäß Anspruch 4, dadurch gekennzeichnet, dass das Eingriffselement (41) ein hakenförmiges Element umfasst und das Widerlagerelement (42) einen lang gestreckten Körper umfasst, der sich entlang der Bewegungstrajektorie unterhalb des hakenförmigen Elements erstreckt, wobei die zweiten Bewegungsmittel Mittel zum Anheben des lang gestreckten Körpers mit Bezug auf die Bürste (11), um das hakenförmige Element und folglich den Bodenwischer (22) anzuheben, umfassen.
  6. Der Bodenschrubbertrockner (1) gemäß Anspruch 5, dadurch gekennzeichnet, dass der lang gestreckte Körper eine im Wesentlichen halbkreisförmige Ausdehnung hat und schwenkbar um eine erste Kippachse (101), die nahe der Achse (100) der Bürste (11) angeordnet ist, an einem festen Rahmen angebracht ist, welcher die Bürste trägt.
  7. Der Bodenschrubbertrockner (1) gemäß einem oder mehreren der obigen Ansprüche, dadurch gekennzeichnet, dass der Bodenwischer (22) mit einem Tragarm (23) verbunden ist, der sich radial mit Bezug auf die Achse (100) der Bürste (11) erstreckt und an einem ersten freien Ende drehbar von dem Basisrahmen (2) getragen ist, um die Drehung des Bodenwischers (22) entlang der Bewegungstrajektorie um die Achse (100) der Bürste zu ermöglichen, wobei der Tragarm (23) an dem zweiten freien Ende, das dem ersten freien Ende gegenüberliegt, gelenkig um eine zweite Kippachse (102) mit dem Bodenwischer (22) verbunden ist, wobei die zweite Kippachse (102) im Wesentlichen einer Schwerlinie des Bodenwischers (22) entspricht.
  8. Der Bodenschrubbertrockner (1) gemäß einem oder mehreren der obigen Ansprüche, dadurch gekennzeichnet, dass der Bodenwischer (22) mit mindestens einem Stellrad (24) verbunden ist, das sich um eine Achse dreht, die im Wesentlichen parallel zur Achse (100) der Bürste (11) ist, wobei das mindestens eine Stellrad (24) konstruiert ist, um gleitend auf dem Boden aufzuliegen, wenn sich der Bodenwischer (22) in der abgesenkten Position befindet.
  9. Der Bodenschrubbertrockner (1) gemäß einem oder mehreren der obigen Ansprüche, dadurch gekennzeichnet, dass er ein Paar von Hinterrädern (50) umfasst, die entlang der Vorschubrichtung des Basisrahmens (2) auf dem Boden am hinteren Ende des Bodenwischers (22) angeordnet sind.
  10. Der Bodenschrubbertrockner (1) gemäß Anspruch 4, dadurch gekennzeichnet, dass die zweiten Bewegungsmittel ein Kabelelement (43) zum Anheben und Absenken des unteren Endes des Widerlagerelements (42) umfassen.
  11. Der Bodenschrubbertrockner (1) gemäß Anspruch 10, dadurch gekennzeichnet, dass das Widerlagerelement (42), wenn der Bodenwischer (22) sich in der abgesenkten Position befindet, eine Erstreckung fort vom Boden vom hinteren Ende zum vorderen Ende mit Bezug auf die Vorschubrichtung des Basisrahmens (2) auf dem Boden hat.
EP20200730.8A 2019-10-11 2020-10-08 Bodenschrubbertrockner Active EP3804600B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102019000018527A IT201900018527A1 (it) 2019-10-11 2019-10-11 Macchina lava asciuga pavimenti.

Publications (3)

Publication Number Publication Date
EP3804600A1 EP3804600A1 (de) 2021-04-14
EP3804600C0 EP3804600C0 (de) 2023-08-30
EP3804600B1 true EP3804600B1 (de) 2023-08-30

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EP20200730.8A Active EP3804600B1 (de) 2019-10-11 2020-10-08 Bodenschrubbertrockner

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EP (1) EP3804600B1 (de)
IT (1) IT201900018527A1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4805256A (en) * 1987-10-02 1989-02-21 Tennant Company Scrubber squeegee pivoted concentric with brush drive
US9125544B2 (en) * 2012-02-16 2015-09-08 Tennant Company Surface maintenance vehicle with compact cleaning head lift mechanism and suspension
EP2954817B1 (de) * 2014-06-11 2016-10-26 Hako GmbH Bodenreinigungsmaschine
US10368709B2 (en) * 2014-10-02 2019-08-06 Diversey, Inc. Floor cleaning apparatus with offset cleaning unit

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Publication number Publication date
EP3804600C0 (de) 2023-08-30
IT201900018527A1 (it) 2021-04-11
EP3804600A1 (de) 2021-04-14

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