EP1639932B1 - Device for brush shafts of floor cleaning appliances - Google Patents

Device for brush shafts of floor cleaning appliances Download PDF

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Publication number
EP1639932B1
EP1639932B1 EP05018244A EP05018244A EP1639932B1 EP 1639932 B1 EP1639932 B1 EP 1639932B1 EP 05018244 A EP05018244 A EP 05018244A EP 05018244 A EP05018244 A EP 05018244A EP 1639932 B1 EP1639932 B1 EP 1639932B1
Authority
EP
European Patent Office
Prior art keywords
brush
floating bearing
housing
locking
cleaning appliances
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.)
Not-in-force
Application number
EP05018244A
Other languages
German (de)
French (fr)
Other versions
EP1639932A3 (en
EP1639932A2 (en
Inventor
Thomas Stein
Achim Liffers
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.)
Stein and Co GmbH
Original Assignee
Stein and Co 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 Stein and Co GmbH filed Critical Stein and Co GmbH
Publication of EP1639932A2 publication Critical patent/EP1639932A2/en
Publication of EP1639932A3 publication Critical patent/EP1639932A3/en
Application granted granted Critical
Publication of EP1639932B1 publication Critical patent/EP1639932B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0455—Bearing means therefor

Definitions

  • the invention relates to a device for brushing rollers of floor care appliances, in particular carpet cleaning equipment, in the form of a Bürststaubssaugers or Bürstvorsatzes with at least one rotating brush roller and the brushing roller or at least one of the brush rollers are arranged on both sides via bearings in a brush housing, with a removable floating bearing for removal of the Brush roll is arranged.
  • the object of the invention is to provide for a generic arrangement a simple design for a floating bearing, which can be used by a rotational movement and releasably and axially removable to allow the removal of the brushing roller.
  • the floating bearing on the brush housing via one or more collar elements is pivotally placed, wherein an associated end portion of the brush housing has at least two locking elements, which are a bayonet-like guide in a respective corresponding groove of the movable floating bearing and can be used the floating bearing in its end position can be fixed via a lock on the brush housing.
  • a favorable design is created by the fact that the leadership of the locking element is formed on the floating bearing as an inclined plane and the locking element has a corresponding bevel.
  • the training is suitably designed such that the floating bearing is formed at least by a rotational movement of 90 degrees to release the locking elements.
  • a brush attachment 1 with a rotating brush roller 2 in a brush housing 3 is shown.
  • the brush roller 2 is arranged on both sides via bearings 4 and 5, wherein the bearing 5 is detachably arranged as a movable bearing for removal of the brush roller 2.
  • the floating bearing 5 is in this case via collar members 12 pivotally mounted on the end of the brush housing 3.
  • two locking elements 6 are arranged on the brush housing, which by a rotational movement of the movable bearing 5 in each case via a associated inclined plane 7 can be used as a feeder in a groove 8 bayonet-like.
  • a corresponding chamfer 9 is arranged on the locking element 6.
  • a holding element 10 engages behind a latch 11 on the brush housing for locking.
  • the catch 11 is arranged pivotably to unlock the movable bearing 5, if necessary again.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Brushes (AREA)
  • Cleaning In General (AREA)

Abstract

The vacuum cleaner suction head unit (1) has a rotary brush cylinder (2) in the housing (3) with end bearings (4,5) of which one (5) may be turned anticlockwise to release a locking boss engaging a slot in the bearing holder (12) and then axially moved to release the brush.

Description

Die Erfindung bezieht sich auf eine Vorrichtung für Bürstwalzen von Bodenpflegegeräten, insbesondere Teppichreinigungsgeräten, in Form eines Bürststaubssaugers oder Bürstvorsatzes mit mindestens einer rotierenden Bürstwalze und die Bürstwalze oder mindestens eine der Bürstwalzen beidseitig über Lager in einem Bürstengehäuse angeordnet sind, wobei ein abnehmbares Loslager zur Entnahme der Bürstwalze angeordnet ist.The invention relates to a device for brushing rollers of floor care appliances, in particular carpet cleaning equipment, in the form of a Bürststaubssaugers or Bürstvorsatzes with at least one rotating brush roller and the brushing roller or at least one of the brush rollers are arranged on both sides via bearings in a brush housing, with a removable floating bearing for removal of the Brush roll is arranged.

Anordnungen dieser Art sind in unterschiedlichen Ausführungen für die Entnahme der Bürste für Reinigungs- und Wartungszwecke bekannt. Es hat sich gezeigt, daß es oftmals für den Benutzer des Gerätes schwierig ist, ein Loslager ohne Werkzeug durch einen einfachen Handgriff zu entfernen und gleichzeitig in eingesetztem Zustand eine erforderliche Fixierung für eine ausreichende Betriebssicherheit zu ermöglichen.Arrangements of this type are known in different designs for the removal of the brush for cleaning and maintenance purposes. It has been found that it is often difficult for the user of the device, a floating bearing without tools by a simple handle remove and at the same time allow a required fixation in the inserted state for a sufficient operational safety.

Hierzu ist nach der US 3,233,274 bekannt, eine Bürstwalze beiderseits über verschwenkbare Zugangsklappen einer Aufnahmekammer über einen Dorn zu halten, der gleichzeitig zum Antrieb dient. Die Verbindung zwischen Dorn und Bürstwalze erfolgt über Mitnahmestifte, die in zugeordnete Schlitze einsetzbar sind. Diese Handhabung und Zuordnung der Teile mit einer Verriegelung der Zugangsklappen ist zwar ohne Zusatzwerkzeuge durchführbar, aber von einer nicht versierten Bedienungsperson nur schwierig betriebssicher zu bewerkstelligen.This is after the US 3,233,274 It is known to hold a brushing roller on both sides via pivotable access flaps of a receiving chamber via a mandrel, which simultaneously serves to drive. The connection between mandrel and brush roll via driving pins that can be used in associated slots. Although this handling and assignment of the parts with a locking of the access flaps can be carried out without additional tools, it is difficult to accomplish reliably by a non-expert operator.

Bei einer Anordnung gemäß EP 0 062 743 ist eine Anordnung mit beiderseits eines mittigen Antriebs angeordnete Bürstwalzen bekannt. Hierbei sind jeweils die außenliegenden Endbereiche der Bürstwalzen über eingeklipste Deckel verschlossen, die entsprechend Buchsen zur Aufnahme der Bürstenwelle aufweisen. Beiderseits der Antriebsseite sind die Bürstwalzen über auf der Welle drehende Kopfstücke steckverrastet. Die Kopfstücke setzen sich in Kupplungsbüchsen fort, die am freien Ende mit Kupplungsklauen in Gegenklauen der sich auf der Welle drehenden Nabe eines Antriebszahnrades eingreifen. Eine derartige Ausbildung mit einer betriebssicheren Zuordnung der Teile ist lediglich durch Fachleute möglich.In an arrangement according to EP 0 062 743 an arrangement with both sides of a central drive arranged brushing rollers is known. In each case, the outer end regions of the brushing rollers are closed by clipped-on covers, which have corresponding bushes for receiving the brush shaft. On both sides of the drive side, the brush rollers are plug-locked by means of head pieces rotating on the shaft. The head pieces continue in coupling bushes, which engage at the free end with coupling claws in counter-claws of the rotating on the shaft hub of a drive gear. Such a training with a reliable assignment of parts is only possible by professionals.

Die Aufgabe der Erfindung ist es, für eine gattungsgemäße Anordnung eine einfache Ausbildung für ein Loslager zu schaffen, das durch eine Drehbewegung einsetzbar und lösbar sowie axial entfernbar ist, um die Entnahme der Bürstwalze zu ermöglichen.The object of the invention is to provide for a generic arrangement a simple design for a floating bearing, which can be used by a rotational movement and releasably and axially removable to allow the removal of the brushing roller.

Die Lösung dieser Aufgabe erfolgt erfindungsgemäß dadurch, daß das Loslager auf das Bürstengehäuse über ein oder mehrere Kragenelemente verschwenkbar aufsetzbar ist, wobei ein zugeordneter Endbereich des Bürstengehäuses mindestens zwei Verriegelungselemente aufweist, die über eine Führung bajonettartig in eine jeweilige korrespondierende Nut des verdehbaren Loslagers einsetzbar sind und das Loslager in seiner Endstellung über eine Verriegelung am Bürstengehäuse festsetzbar ist.The solution of this object is achieved according to the invention in that the floating bearing on the brush housing via one or more collar elements is pivotally placed, wherein an associated end portion of the brush housing has at least two locking elements, which are a bayonet-like guide in a respective corresponding groove of the movable floating bearing and can be used the floating bearing in its end position can be fixed via a lock on the brush housing.

Hierdurch ist es möglich, durch eine Drehbewegung eine Halterung zu erzielen und zusätzlich zu Arretierung in der schließenden Drehrichtung eine zusätzliche Verriegelung in der lösenden Drehrichtung vorzusehen. Alle zur Funktion nötigen Elemente sind somit im Loslager integriert und werden auf ein Gegenstück aufgesetzt, so daß keine gesonderten Teile eingesetzt wurden.This makes it possible to achieve a holder by a rotational movement and to provide additional locking in the releasing direction of rotation in addition to locking in the closing direction of rotation. All elements necessary for the function are thus integrated in the movable bearing and are placed on a counterpart, so that no separate parts were used.

Eine günstige Ausbildung wird dadurch geschaffen, daß die Führung des Verriegelungselementes am Loslager als schiefe Ebene ausgebildet ist und das Verriegelungselement eine korrespondierende Abschrägung aufweist.A favorable design is created by the fact that the leadership of the locking element is formed on the floating bearing as an inclined plane and the locking element has a corresponding bevel.

Ferner wird vorgeschlagen, daß die verriegelung über eine mit dem Loslager korrespondierende, verschwenkbare Raste am Bürstengehäuse gebildet ist.It is also proposed that the lock on a corresponding with the floating bearing, pivotable detent is formed on the brush housing.

Die Ausbildung wird zweckmäßigerweise derart ausgebildet, daß das Loslager mindestens durch eine Rotationsbewegung von 90 Grad zur Freigabe der Verriegelungselemente ausgebildet ist.The training is suitably designed such that the floating bearing is formed at least by a rotational movement of 90 degrees to release the locking elements.

In der Zeichnung ist ein Ausführungsbeispiel der Erfindung schematisch dargestellt. Es zeigen:

Fig. 1
eine perspektivische Gesamtdarstellung eines Bürstvorsatzes mit aufgeschnittenem Gehäuse und getrennt dargestellte, vergrößerte Loslager in entriegelter und verriegelter Position,
Fig. 2
eine zusätzlich vergrößerte Darstellung des Loslagers in entriegelter Position,
Fig. 3
eine Darstellung wie Fig. 2 in verriegelter Position.
In the drawing, an embodiment of the invention is shown schematically. Show it:
Fig. 1
an overall perspective view of a brush attachment with cut housing and shown separately, enlarged floating bearing in unlocked and locked position,
Fig. 2
an additional enlarged view of the floating bearing in unlocked position,
Fig. 3
a representation like Fig. 2 in locked position.

Bei der dargestellten Anordnung ist ein Bürstvorsatz 1 mit einer rotierenden Bürstwalze 2 in einem Bürstengehäuse 3 gezeigt. Die Bürstwalze 2 ist dabei beidseitig über Lager 4 und 5 angeordnet, wobei das Lager 5 als Loslager abnehmbar zur Entnahme der Bürstwalze 2 angeordnet ist.In the illustrated arrangement, a brush attachment 1 with a rotating brush roller 2 in a brush housing 3 is shown. The brush roller 2 is arranged on both sides via bearings 4 and 5, wherein the bearing 5 is detachably arranged as a movable bearing for removal of the brush roller 2.

Das Loslager 5 ist hierbei über Kragenelemente 12 verschwenkbar auf das Ende des Bürstengehäuses 3 aufsetzbar. Zur Verriegelung sind am Bürstengehäuse 3 zwei Verriegelungselemente 6 angeordnet, die durch eine Drehbewegung des Loslagers 5 jeweils über eine zugeordnete schiefe Ebene 7 als Zuführung in eine Nut 8 bajonettartig einsetzbar sind. Hierzu ist eine korrespondierende Abschrägung 9 am Verriegelungselement 6 angeordnet.The floating bearing 5 is in this case via collar members 12 pivotally mounted on the end of the brush housing 3. For locking 3 two locking elements 6 are arranged on the brush housing, which by a rotational movement of the movable bearing 5 in each case via a associated inclined plane 7 can be used as a feeder in a groove 8 bayonet-like. For this purpose, a corresponding chamfer 9 is arranged on the locking element 6.

In der eingesetzten Arbeitsstellung des Loslagers 5 greift ein Haltelement 10 zur Verriegelung hinter eine Raste 11 am Bürstengehäuse. Die Raste 11 ist dabei verschwenkbar angeordnet, um das Loslager 5 gegebenenfalls wieder zu entriegeln.In the inserted working position of the movable bearing 5, a holding element 10 engages behind a latch 11 on the brush housing for locking. The catch 11 is arranged pivotably to unlock the movable bearing 5, if necessary again.

Claims (4)

  1. A device for brush rolls (2) for floor cleaning appliances, in particular carpet cleaning appliances, in the form of a brush vacuum cleaner or brush attachment (1) with at least one rotating brush roll (2), the brush roll (2) or at least one of the brush rolls (2) being arranged at both ends by means of bearings (4, 5) in a brush housing (3), a detachable floating bearing (5) being arranged for removal of the brush roll (2), characterised in that the floating bearing (5) may be positioned swivellably on the brush housing (3) by means of one or more collar elements, an associated end area of the brush housing (3) comprising at least two locking elements (6), which may be inserted in the manner of a bayonet joint via a guide (7) into a respective corresponding groove (8) in the rotatable floating bearing (5), and the floating bearing (5) being fixable in its end position by way of a locking mechanism (10, 11) on the brush housing (3).
  2. A device according to claim 1, characterised in that the guide (7) for the locking element (6) is formed on the floating bearing (5) as an inclined plane and the locking element (6) comprises a corresponding bevel.
  3. A device according to claim 1 or claim 2, characterised in that the locking mechanism is formed by way of a swivellable latch (11), corresponding with the floating bearing (5), on the brush housing (3).
  4. A device according to any one of claims 1 to 3, characterised in that the floating bearing (5) is designed to release the locking elements (6) at least by a 90° rotational movement.
EP05018244A 2004-09-24 2005-08-23 Device for brush shafts of floor cleaning appliances Not-in-force EP1639932B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004046383A DE102004046383B4 (en) 2004-09-24 2004-09-24 Device for brushing roller of floor care appliances

Publications (3)

Publication Number Publication Date
EP1639932A2 EP1639932A2 (en) 2006-03-29
EP1639932A3 EP1639932A3 (en) 2007-08-22
EP1639932B1 true EP1639932B1 (en) 2009-10-28

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Family Applications (1)

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EP05018244A Not-in-force EP1639932B1 (en) 2004-09-24 2005-08-23 Device for brush shafts of floor cleaning appliances

Country Status (5)

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US (1) US7805795B2 (en)
EP (1) EP1639932B1 (en)
AT (1) ATE446705T1 (en)
CA (1) CA2520744C (en)
DE (2) DE102004046383B4 (en)

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Also Published As

Publication number Publication date
DE102004046383B4 (en) 2009-06-18
EP1639932A3 (en) 2007-08-22
US20060064828A1 (en) 2006-03-30
DE502005008401D1 (en) 2009-12-10
ATE446705T1 (en) 2009-11-15
DE102004046383A1 (en) 2006-04-06
CA2520744A1 (en) 2006-03-24
US7805795B2 (en) 2010-10-05
EP1639932A2 (en) 2006-03-29
CA2520744C (en) 2013-04-30

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