EP0320735A2 - Machine mobile de nettoyage de sols commandée manuellement - Google Patents

Machine mobile de nettoyage de sols commandée manuellement Download PDF

Info

Publication number
EP0320735A2
EP0320735A2 EP88120256A EP88120256A EP0320735A2 EP 0320735 A2 EP0320735 A2 EP 0320735A2 EP 88120256 A EP88120256 A EP 88120256A EP 88120256 A EP88120256 A EP 88120256A EP 0320735 A2 EP0320735 A2 EP 0320735A2
Authority
EP
European Patent Office
Prior art keywords
rollers
cleaning machine
machine
driven
machine according
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.)
Granted
Application number
EP88120256A
Other languages
German (de)
English (en)
Other versions
EP0320735A3 (fr
EP0320735B1 (fr
Inventor
Kurt Helm
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.)
Hako Werke GmbH and Co
Hako GmbH
Original Assignee
Hako Werke GmbH and Co
Hako GmbH
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 Hako Werke GmbH and Co, Hako GmbH filed Critical Hako Werke GmbH and Co
Publication of EP0320735A2 publication Critical patent/EP0320735A2/fr
Publication of EP0320735A3 publication Critical patent/EP0320735A3/fr
Application granted granted Critical
Publication of EP0320735B1 publication Critical patent/EP0320735B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A47L11/4061—Steering means; Means for avoiding obstacles; Details related to the place where the driver is accommodated
    • 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
    • A47L11/283—Floor-scrubbing machines, motor-driven 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
    • A47L11/4063—Driving means; Transmission means therefor
    • A47L11/4066—Propulsion of the whole machine

Definitions

  • the invention relates to a hand-held, mobile cleaning machine, in particular a scrubbing machine, with a cleaning tool which comes into engagement with the floor and which is fitted between front and rear sets of rollers which are held on the machine frame, a set of the rollers being driven and the cleaning machine by means of a Guide bar can be guided by the user.
  • This known construction has the disadvantage that, on the one hand, relatively large forces have to be applied by the user for the steering process and, on the other hand, that there is a large turning circle, which makes it particularly difficult to attach the cleaning machine to walls and the like in the desired manner. bring them in and move them away.
  • a cleaning machine of the type mentioned at the outset is designed in such a way that the rear set of rollers is driven and the front set of rollers for steering the cleaning machine can be adjusted in a controlled manner by the user in its orientation.
  • the rear set of rollers can have two and the front set of rollers can have one roller.
  • the steering no longer takes place, as in the known hand-held, mobile cleaning machines, in that the user tries the non-driven rollers by applying lateral forces on the handlebar to pivot about their vertical axes, but by a user-made, controlled adjustment of the orientation, the front set of castors being used for steering, while the rear set of castors is driven, so that it also moves results in easily controllable and precise driving.
  • the cleaning machine can also be driven up relatively steep ramps without great difficulty, because then the majority of the machine weight rests on the driven rollers, as a result of which they are pressed into firm engagement with the ground. so that the required driving forces can be easily transmitted.
  • this can be mechanically coupled to a handlebar that can be actuated by the user, wherein the guide bar can form the handlebar.
  • a chain or a cable can be used for mechanical coupling, for example.
  • the scrubbing machine shown in FIGS. 1 and 2 has a machine frame 1, on which a housing 2, which covers the indicated, essentially conventional components, is arranged.
  • a housing 2 which covers the indicated, essentially conventional components, is arranged.
  • two rear rollers 5 and a front roller 6 are attached, the front roller 6 being pivotable about a vertical axis 17 in the center plane of the scrubbing machine and not being driven, while the rear rollers 5 are driven in a manner not shown Scrubbing machine, such as an electric motor powered by a battery.
  • a guide bar 7 to be gripped by the user, which is located above the housing 2 and which is rotatable on one supported, downwardly extending in the housing 2 axis 8 is fixed.
  • a handlebar lever 9 which extends parallel to the guide bar 7, is non-rotatably fastened to the lower end of the rotatably supported axle 8.
  • a cable pull section 28, 29 is fastened, which runs over deflection rollers partially indicated in FIG. 2, of which only the deflection and guide rollers 24 and 26 for the cable section 28 are shown.
  • the front ends of the cable sections 28 and 29 are connected to schematically indicated Bowden cables 128, 129, which are fastened to an abutment 20 (FIG. 3).
  • the tension elements of the Bowden cables 128, 129 are guided around rollers 22, 23 and a rope sheave 16 and, with their front ends in FIG.
  • the rope pulley 16 sits non-rotatably on the outer race of the bearing 18, which with the storage of two partial rollers len existing swivel castor 6 non-rotatably connected and rotatable together with this about the vertical axis 17 fixedly attached to the machine housing 1.
  • the non-driven roller 6 rotates about the axis 19 held by the two fastening struts 10 attached to the bearing.
  • the steering lever 9 is also located therein 3 shown in solid position, and the roller 6 is aligned with the central axis of the scrubbing machine, ie the machine drives straight ahead.
  • the user swivels the guide bar 7 into the desired position, as a result of which the steering lever 9 is also correspondingly rotated by rotating the axis 8, for example into one of the positions indicated by dashed lines in FIG. 3.
  • one of the cable sections 28, 29 exerts a corresponding tensile force on the Bowden cable 128 or 129 connected to it, so that the cable pulley 16 and thus the roller 6 is rotated about the axis 17 or comes into a position as shown in broken lines in FIG 3 is indicated.
  • the pulling element of the other Bowden cable is drawn into its sheathing due to the shortening of the connected cable section resulting from the corresponding displacement of the other end of the steering lever 9, so it does not hinder the pivoting movement of the roller 6.
  • a chain can be used to adjust the front roller instead of a cable. It should be mentioned that in FIG. 4 the same or corresponding parts from FIG. 3 are identified by the same reference numerals and additionally by '.
  • FIGS. 3 and 4 show a purely mechanical coupling between the guide bar and the front roller
  • an arrangement with an electrical coupling is shown schematically in FIGS. 5 and 6, the same components as in FIG. 3 or the components from FIG. 3 having corresponding parts same reference numerals and are additionally designated.
  • the roller 6 ⁇ sits on an axis 19 ⁇ , which is fastened by means of two fastening struts 10 ⁇ via a schematically indicated bearing 18 ⁇ to the machine frame 1 ⁇ , this bearing being designed such that the vertical axis 17 ⁇ cannot be rotated with the Roller 6 ⁇ is coupled.
  • a gear 16 ⁇ On the axis 17 ⁇ sits a gear 16 ⁇ , which meshes with a gear 28,, which is non-rotatably attached to the output shaft of an electric servomotor 30 Figur (FIG. 6), which is also attached to the machine frame 1.
  • the servomotor 30 ⁇ is via an electrical cable 18 ⁇ with a in figure 5 schematically indicated electrical encoder 31 ⁇ connected, which may contain, for example, a potentiometer, the position of which is a measure of the rotational position of the axis 17 ⁇ and thus the guide rail 7 ⁇ .
  • the electrical transmitter 31 ⁇ gives a corresponding signal via the cable 18 ⁇ to the servomotor 30 ⁇ , which is caused by the rotation of its output shaft and thus the gearwheel 28 ⁇ on the gear 16 ⁇ causes a corresponding rotation of the roller 6 ⁇ .

Landscapes

  • Road Paving Machines (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Cleaning In General (AREA)
  • Electric Suction Cleaners (AREA)
EP88120256A 1987-12-16 1988-12-05 Machine mobile de nettoyage de sols commandée manuellement Expired - Lifetime EP0320735B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3742648 1987-12-16
DE19873742648 DE3742648A1 (de) 1987-12-16 1987-12-16 Handgefuehrte, fahrbare reinigungsmaschine, insbesondere schrubbmaschine

Publications (3)

Publication Number Publication Date
EP0320735A2 true EP0320735A2 (fr) 1989-06-21
EP0320735A3 EP0320735A3 (fr) 1991-02-06
EP0320735B1 EP0320735B1 (fr) 1993-07-28

Family

ID=6342749

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88120256A Expired - Lifetime EP0320735B1 (fr) 1987-12-16 1988-12-05 Machine mobile de nettoyage de sols commandée manuellement

Country Status (3)

Country Link
US (1) US4942638A (fr)
EP (1) EP0320735B1 (fr)
DE (2) DE3742648A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0404437A1 (fr) * 1989-06-21 1990-12-27 Tennant Company Commande de direction et de vitesse pour une machine à traiter le sol
EP0551709A1 (fr) * 1992-01-13 1993-07-21 Aar Corporation Machine à récurer le sol
US5697119A (en) * 1995-01-30 1997-12-16 Mussalo; Sisko Tuulikki Accessory for a vacuum cleaner
CN102525354A (zh) * 2012-02-21 2012-07-04 宁波波朗电器有限公司 自动擦地机的后轮驱动结构

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5467500A (en) * 1993-01-27 1995-11-21 Aar Corp. Steering mechanism for a cleaning vehicle
DE4425782C2 (de) * 1994-07-14 1998-05-07 Hako Gmbh & Co Schrubbmaschine
US5579555A (en) * 1995-10-10 1996-12-03 The National Super Service Company Squeegee assembly for floor cleaning machine
DE19738586B4 (de) * 1997-09-03 2005-12-22 Jungheinrich Ag Mitgehflurförderzeug mit Deichsel
IT1394430B1 (it) * 2009-01-22 2012-06-15 Nilfisk Advance Spa Macchina lava-asciuga pavimenti perfezionata

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3190386A (en) * 1963-04-25 1965-06-22 James H Swinny Motorized steerable nestable service cart
US3234576A (en) * 1961-12-28 1966-02-15 American Lincoln Corp Vehicle for sweeping large surfaces
US4158901A (en) * 1977-12-16 1979-06-26 Advance Machine Company Mobile surface cleaning machine having side mounted squeegees
US4198721A (en) * 1978-07-03 1980-04-22 Servicemaster Industries, Inc. Combination motor and auxiliary mechanism actuator
FR2573976A1 (fr) * 1984-03-27 1986-06-06 Peyrigue Serge Appareil autolaveur
EP0240941A1 (fr) * 1986-04-08 1987-10-14 IDROPLINA S.r.l. Dispositif de direction pour les appareils de nettoyage de pavé
EP0242654A2 (fr) * 1986-04-21 1987-10-28 Tennant Company Commande de direction et de vitesse pour une machine à traiter le sol

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3879789A (en) * 1970-09-15 1975-04-29 Tennant Co Scrubbing machine
US3729908A (en) * 1972-04-21 1973-05-01 Lawlor Industries Housing for a vehicle
US3942215A (en) * 1972-11-13 1976-03-09 Olds James O Floor maintenance machine
DE7703475U1 (de) * 1977-02-07 1977-06-23 Palm, Joachim, 2411 Brunsmark Kehrmaschine
US4339841A (en) * 1980-11-12 1982-07-20 Wetrok, Inc. Squeegee support assembly for automatic floor cleaning machines

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3234576A (en) * 1961-12-28 1966-02-15 American Lincoln Corp Vehicle for sweeping large surfaces
US3190386A (en) * 1963-04-25 1965-06-22 James H Swinny Motorized steerable nestable service cart
US4158901A (en) * 1977-12-16 1979-06-26 Advance Machine Company Mobile surface cleaning machine having side mounted squeegees
US4198721A (en) * 1978-07-03 1980-04-22 Servicemaster Industries, Inc. Combination motor and auxiliary mechanism actuator
FR2573976A1 (fr) * 1984-03-27 1986-06-06 Peyrigue Serge Appareil autolaveur
EP0240941A1 (fr) * 1986-04-08 1987-10-14 IDROPLINA S.r.l. Dispositif de direction pour les appareils de nettoyage de pavé
EP0242654A2 (fr) * 1986-04-21 1987-10-28 Tennant Company Commande de direction et de vitesse pour une machine à traiter le sol

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0404437A1 (fr) * 1989-06-21 1990-12-27 Tennant Company Commande de direction et de vitesse pour une machine à traiter le sol
US5064010A (en) * 1989-06-21 1991-11-12 Tennant Company Speed and steering control for scrubbers and the like
EP0551709A1 (fr) * 1992-01-13 1993-07-21 Aar Corporation Machine à récurer le sol
US5697119A (en) * 1995-01-30 1997-12-16 Mussalo; Sisko Tuulikki Accessory for a vacuum cleaner
CN102525354A (zh) * 2012-02-21 2012-07-04 宁波波朗电器有限公司 自动擦地机的后轮驱动结构

Also Published As

Publication number Publication date
DE3742648A1 (de) 1989-06-29
DE3882673D1 (de) 1993-09-02
US4942638A (en) 1990-07-24
EP0320735A3 (fr) 1991-02-06
EP0320735B1 (fr) 1993-07-28

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