EP0119288B1 - Device for adjusting the height of the revolving brush in a carpet sweeper - Google Patents

Device for adjusting the height of the revolving brush in a carpet sweeper Download PDF

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Publication number
EP0119288B1
EP0119288B1 EP83102762A EP83102762A EP0119288B1 EP 0119288 B1 EP0119288 B1 EP 0119288B1 EP 83102762 A EP83102762 A EP 83102762A EP 83102762 A EP83102762 A EP 83102762A EP 0119288 B1 EP0119288 B1 EP 0119288B1
Authority
EP
European Patent Office
Prior art keywords
adjusting
height
carpet sweeper
revolving brush
housing
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.)
Expired
Application number
EP83102762A
Other languages
German (de)
French (fr)
Other versions
EP0119288A1 (en
Inventor
Helmut Deimel
Rolf Günter Schülein
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.)
Leifheit AG
Original Assignee
Leifheit AG
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 Leifheit AG filed Critical Leifheit AG
Priority to AT83102762T priority Critical patent/ATE29376T1/en
Priority to EP83102762A priority patent/EP0119288B1/en
Priority to DE8383102762T priority patent/DE3373409D1/en
Priority to US06/555,914 priority patent/US4489457A/en
Priority to JP59051271A priority patent/JPS59177020A/en
Priority to ES530826A priority patent/ES530826A0/en
Publication of EP0119288A1 publication Critical patent/EP0119288A1/en
Application granted granted Critical
Publication of EP0119288B1 publication Critical patent/EP0119288B1/en
Expired 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
    • A47L11/4052—Movement of the tools or the like perpendicular to the cleaning surface
    • A47L11/4058—Movement of the tools or the like perpendicular to the cleaning surface for adjusting the height of the tool
    • 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
    • A47L11/32—Carpet-sweepers
    • A47L11/33—Carpet-sweepers having means for storing dirt
    • 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

Definitions

  • the invention relates to a height adjustment according to the preamble of claim 1.
  • a height adjustment for the roller brush is therefore necessary with higher quality carpet sweepers in order to optimally adjust the roller brush to the different pile heights of the carpets. In many cases it is also desirable to clean completely smooth floors with a carpet sweeper.
  • a height adjustment of the roller brush for carpet sweepers is known from DE-A-31 00 497. With this height adjustment, the roller brush maintains its position relative to the housing, while the drive wheels are adjusted relative to it. This requires a very complex storage of the drive wheels in a wheel arch. This construction is mainly suitable for large, luxurious floor sweepers.
  • the object of the invention is to provide a height adjustment for a roller brush that is extremely compact, consists of a few individual parts and is also suitable for small sweepers.
  • the carpet sweeper consists essentially of a housing 1, a handle bracket 2 with handle 3, a roller brush 4, drive wheels 5 and a height adjustment 6.
  • the other components of the carpet sweeper are of no importance for the invention, so that it is not discussed further.
  • the height adjustment is composed of a U-shaped adjustment bracket 7, which is mounted in the housing 1 with bends 10 formed on the free ends 8 of the legs 9, an adjusting slide 11, a spring 12 connected thereto and the run-up bevels 13 on the housing 1.
  • the roller brush 4 is acted upon by the legs 9 of the adjustment bracket 7 with the interposition of a brush bridge 14.
  • the setting slide 11 is mounted in a housing part 15, which is arranged interchangeably in the housing 1.
  • the adjusting slide 11 is locked with a mushroom-shaped cam 16 on the spring 12.
  • the adjustment path of the adjusting slide 11 is given by a slot 17 in the housing part 15.
  • the spring 12 is formed as a leaf spring and is provided at its two ends with an eye 18, 19 of the apex portion - Verstellbügels 7 comprises a U-shape.
  • Guide surfaces 20 are formed on the eyes 18 and slide on the run-up slopes 13 on both sides.
  • the lowest position of the roller brush 4 according to FIG. 2b is reached by moving the setting slide 11 in the direction 21 from the position according to FIG. 2a.
  • the legs 9 thereby make an angular movement 22 and move the brush bridge into the position 23 shown in broken lines in FIG. 3.

Landscapes

  • Brushes (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

Height adjustment means for a cylindrical brush in a carpet sweeper with a U-shaped adjusting yoke which loads the cylindrical brush and is mounted in the housing by angled parts molded on the free ends of its members and is loaded at the summit part by a spring connected to an adjusting slide and riding up on ramp surfaces.

Description

Die Erfindung bezieht sich auf eine Höheneinstellung gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a height adjustment according to the preamble of claim 1.

Eine Höheneinstellung für die Walzenbürste ist bei höherwertigen Teppichkehrern deshalb erforderlich, um die Walzenbürste optimal auf die unterschiedlichen Florhöhen der Teppiche einzustellen. Vielfach ist es auch erwünscht, mit einem Teppichkehrer gänzlich glatte Böden zu reinigen.A height adjustment for the roller brush is therefore necessary with higher quality carpet sweepers in order to optimally adjust the roller brush to the different pile heights of the carpets. In many cases it is also desirable to clean completely smooth floors with a carpet sweeper.

Durch die DE-A-31 00 497 ist eine Höheneinstellung der Walzenbürste für Teppichkehrer bekannt. Bei dieser Höheneinstellung behält die Walzenbürste ihre Lage gegenüber dem Gehäuse konstant, während die Antriebsräder relativ dazu verstellt werden. Dies erfordert eine recht aufwendige Lagerung der Antriebsräder in einem Radkasten. Diese Konstruktion bietet sich hauptsächlich für große, luxuriöse Boderkehrmaschinen an.A height adjustment of the roller brush for carpet sweepers is known from DE-A-31 00 497. With this height adjustment, the roller brush maintains its position relative to the housing, while the drive wheels are adjusted relative to it. This requires a very complex storage of the drive wheels in a wheel arch. This construction is mainly suitable for large, luxurious floor sweepers.

Aufgabe der Erfindung ist es, eine Höheneinstellung für eine Walzenbürste zu schaffen, die äußerst kompakt gebaut, aus wenigen Einzelteilen besteht und auch für Kleinkehrer geeignet ist.The object of the invention is to provide a height adjustment for a roller brush that is extremely compact, consists of a few individual parts and is also suitable for small sweepers.

Diese Aufgabe wird mit den kennzeichneden Merkmalen des Anspruchs 1 gelöst. Für diese Höheneinstellung wird neben dem U-förmigen Verstellbügel lediglich ein Einstellschieber und eine Feder benötigt. Die Montage ist denkbar einfach, weil die Teile lediglich eingehängt beziehungsweise eingeklipst werden ; die Auflaufschrägen sind direkt am Gehäuse beziehungsweise einem Gehäuseteil angeformt. Die Einheit baut sehr flach, was der Handlichkeit eines Kehrers sehr entgegen kommt. Der Kehrer kann insgesamt äußerst flach gehalten werden.This object is achieved with the characterizing features of claim 1. For this height adjustment, in addition to the U-shaped adjustment bracket, only an adjustment slide and a spring are required. The assembly is very easy because the parts are simply hooked in or clipped in; the run-on slopes are formed directly on the housing or a housing part. The unit builds very flat, which is very handy for a sweeper. The sweeper can be kept extremely flat overall.

Weitere Ausgestaltungen der Erfindung sind den Unteransprüchen zu entnehmen. So dient die zusätzliche Anbringung von Führungsflächen und U-förmigen Augen an der Feder der zusätzlichen Betriebssicherheit. Ein Herausspringen der Feder wird dabei zuverlässig verhindert.Further embodiments of the invention can be found in the subclaims. The additional attachment of guide surfaces and U-shaped eyes on the spring serves for additional operational safety. The spring is reliably prevented from jumping out.

Da die gesamte Einheit nur wenig Raum benötigt, ist es besonders vorteilhaft, den Gehäuseteil, der diese Einheit trägt und beeinflußt, austauschbar zu gestalten. Dadurch wird die Möglichkeit geschaffen, eine Teppichkehrerbaureihe aufzustellen. Soll der Kehrer vereinfacht werden, wird lediglich der Gehäuseteil mit der Einheit und der U-förmige Verstellbügel weggelassen und durch eine um diesen Teil vergrößerte Abdeckung ersetzt. Alle übrigen Bauteile des Teppichkehrers können identisch verwendet werden. Dies ermöglicht es, trotz Modellvielfalt mit den wesentlichen Bauteilen hohe Stückzahlen auf geringerer Kostenbasis zu fahren.Since the entire unit takes up little space, it is particularly advantageous to make the housing part that supports and influences this unit interchangeable. This creates the opportunity to set up a carpet sweeper series. If the sweeper is to be simplified, only the housing part with the unit and the U-shaped adjustment bracket are omitted and replaced by a cover enlarged by this part. All other components of the carpet sweeper can be used identically. This makes it possible to run large quantities on a lower cost basis with the essential components despite the variety of models.

Ein Ausführungsbeispiel der Erfindung wird im folgenden an Hand der Zeichnungen näher erläutert.An embodiment of the invention is explained below with reference to the drawings.

Es zeigen :

  • Figur 1 eine Gesamtansicht eines Teppichkehrers mit Einstellschieber,
  • Figur 2a einen Schnitt gemäß der Linie 11/11 nach Figur 1 in oberster Stellung der Walzenbürste,
  • Figur 2b den gleichen Schnitt in unterster Stellung der Walzenbürste und
  • Figur 3 einen Schnitt gemäß der Linie III/III nach Figur 2a.
Show it :
  • FIG. 1 shows an overall view of a carpet sweeper with an adjustment slide,
  • FIG. 2a shows a section along the line 11/11 according to FIG. 1 in the uppermost position of the roller brush,
  • Figure 2b shows the same section in the lowest position of the roller brush and
  • 3 shows a section along the line III / III of Figure 2a.

Der Teppichkehrer besteht äußerlich im wesentlichen aus einem Gehäuse 1, einem Stielbügel 2 mit Stiel 3, einer Walzenbürste 4, Antriebslaufräder 5 und einer Höheneinstellung 6. Die weiteren Bauteile des Teppichkehrers sind für die Erfindung ohne Bedeutung, so daß darauf nicht weiter eingegangen wird.The carpet sweeper consists essentially of a housing 1, a handle bracket 2 with handle 3, a roller brush 4, drive wheels 5 and a height adjustment 6. The other components of the carpet sweeper are of no importance for the invention, so that it is not discussed further.

Die Höheneinstellung setzt sich aus einem U-förmigen Verstellbügel 7, der mit an den freien Enden 8 der Schenkel 9 angeformten Abwinklungen 10 im Gehäuse 1 gelagert ist, einem Einstellschieber 11, einer damit verbundenen Feder 12 und den Auflaufschrägen 13 am Gehäuse 1 zusammen. Die Walzenbürste 4 wird unter Zwischenschaltung einer Bürstenbrücke 14 von den Schenkel 9 des Verstellbügels 7 beaufschlagt.The height adjustment is composed of a U-shaped adjustment bracket 7, which is mounted in the housing 1 with bends 10 formed on the free ends 8 of the legs 9, an adjusting slide 11, a spring 12 connected thereto and the run-up bevels 13 on the housing 1. The roller brush 4 is acted upon by the legs 9 of the adjustment bracket 7 with the interposition of a brush bridge 14.

Der Einstellschieber 11 ist in einem Gehäuseteil 15, das austauschbar im Gehäuse 1 angeordnet ist, gelagert. Der Einstellschleber 11 ist dabei mit einem pilz-förmigen Nocken 16 auf der Feder 12 verrastet. Der Verstellweg des Einstellschiebers 11 ist durch einen Schlitz 17 im Gehäuseteil 15 gegeben. Die Feder 12 ist als Blattfeder ausgebildet und an ihren beiden Enden jeweils mit einem Auge 18 versehen, das den Scheitelteil 19 des- Verstellbügels 7 U-förmig umfaßt. An den Augen 18 sind Führungsflächen 20 angeformt, die beidseitig auf den Auflaufschrägen 13 gleiten.The setting slide 11 is mounted in a housing part 15, which is arranged interchangeably in the housing 1. The adjusting slide 11 is locked with a mushroom-shaped cam 16 on the spring 12. The adjustment path of the adjusting slide 11 is given by a slot 17 in the housing part 15. The spring 12 is formed as a leaf spring and is provided at its two ends with an eye 18, 19 of the apex portion - Verstellbügels 7 comprises a U-shape. Guide surfaces 20 are formed on the eyes 18 and slide on the run-up slopes 13 on both sides.

Durch Verschieben des Einstellschiebers 11 in Richtung 21 aus der Stellung gemäß Figur 2a wird die tiefste Stellung der Walzenbürste 4 gemäß Figur 2b erreicht. Die Schenkel 9 machen dabei eine Winkelbewegung 22 und verschieben die Bürstenbrücke in die strich-punktiert gezeichnete Stellung 23 in Figur 3.The lowest position of the roller brush 4 according to FIG. 2b is reached by moving the setting slide 11 in the direction 21 from the position according to FIG. 2a. The legs 9 thereby make an angular movement 22 and move the brush bridge into the position 23 shown in broken lines in FIG. 3.

Claims (4)

1. Device for adjusting the height of a revolving brush (4) in a carpet sweeper, with a U-shaped adjusting bar (7) which stresses the revolving brush (4) and which is mounted in a housing (1) by means of angled portions (10) formed on the free ends of the legs (9) and is stressed by an adjusting member in the vertex part (19), characterized in that an adjusting slide (11) connected non-positively to a spring (12) is mounted displaceably on the housing, in that the spring (12) is itself mounted displaceably on the vertex part (19), and in that run-on slopes (13) stressed by the spring (12) are also provided on a housing part (15) for the purpose of changing the height of the vertex part.
2. Device for adjusting the height of a revolving brush in a carpet sweeper according to Claim 1, characterized in that the spring (12) is equipped at both ends with lugs (18) for the purpose of surrounding the vertex part (19) at least partially.
3. Device for adjusting the height of a revolving brush in a carpet sweeper according to Claim 2, characterized in that the lugs (18) are made U-shaped and have guide surfaces (20).
4. Device for adjusting the height of a revolving brush in a carpet sweeper according to one of Claims 1 to 3, characterized in that the housing part (15) is made exchangeable.
EP83102762A 1983-03-21 1983-03-21 Device for adjusting the height of the revolving brush in a carpet sweeper Expired EP0119288B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AT83102762T ATE29376T1 (en) 1983-03-21 1983-03-21 HEIGHT ADJUSTMENT FOR A ROLLER BRUSH IN A CARPET SWEEP.
EP83102762A EP0119288B1 (en) 1983-03-21 1983-03-21 Device for adjusting the height of the revolving brush in a carpet sweeper
DE8383102762T DE3373409D1 (en) 1983-03-21 1983-03-21 Device for adjusting the height of the revolving brush in a carpet sweeper
US06/555,914 US4489457A (en) 1983-03-21 1983-11-29 Height adjustment means for a cylindrical brush in a carpet sweeper
JP59051271A JPS59177020A (en) 1983-03-21 1984-03-19 Height controller for roller brush of carpet cleaner
ES530826A ES530826A0 (en) 1983-03-21 1984-03-21 IMPROVEMENTS IN A HEIGHT ADJUSTMENT DEVICE OF A ROLLER BRUSH FOR CARPETS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP83102762A EP0119288B1 (en) 1983-03-21 1983-03-21 Device for adjusting the height of the revolving brush in a carpet sweeper

Publications (2)

Publication Number Publication Date
EP0119288A1 EP0119288A1 (en) 1984-09-26
EP0119288B1 true EP0119288B1 (en) 1987-09-09

Family

ID=8190360

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83102762A Expired EP0119288B1 (en) 1983-03-21 1983-03-21 Device for adjusting the height of the revolving brush in a carpet sweeper

Country Status (6)

Country Link
US (1) US4489457A (en)
EP (1) EP0119288B1 (en)
JP (1) JPS59177020A (en)
AT (1) ATE29376T1 (en)
DE (1) DE3373409D1 (en)
ES (1) ES530826A0 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8706007D0 (en) * 1986-03-27 1987-04-15 Ici Plc Ceramic materials
US5208935A (en) * 1991-07-16 1993-05-11 Bissell Inc. Carpet sweeper
DE19724908C2 (en) * 1996-09-19 2002-02-07 Georg Hefter Maschb sweeping unit
US7631387B2 (en) * 2005-05-13 2009-12-15 Black & Decker Inc. Motorized broom and collector
US20080172809A1 (en) * 2006-11-01 2008-07-24 Park Sung K Pickup cleaning device with static electric bar/roller
DE102007001637B3 (en) * 2007-01-11 2008-05-29 Leifheit Ag Sweeping device i.e. carpet sweeper, for sweeping base, has rotary brush driven by drive wheel, cleaning brush to clean drive wheel during sweeping process, and dirt resistor to protect drive wheel against contamination
USD910257S1 (en) * 2019-02-18 2021-02-09 Alfred Kaercher Se & Co. Kg Floor cleaning device
USD925849S1 (en) * 2019-09-05 2021-07-20 Shenzhen Jashen Technology Co., Ltd. Electric cleaning device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE328101B (en) * 1968-05-20 1970-09-07 M Larssons Borts Och Penselfab
DE1814730C3 (en) * 1968-12-14 1975-03-27 Leifheit International Guenter Leifheit Gmbh, 5408 Nassau Device for adjusting the height of a roller brush on a carpet sweeper
JPS5152448Y2 (en) * 1971-04-30 1976-12-15
DE2603582C3 (en) * 1976-01-30 1978-09-21 Bissell Inc., Grand Rapids, Mich. (V.St.A.) Device for the height-adjustable mounting of the roller brush on a carpet sweeper
JPS5428862U (en) * 1977-07-29 1979-02-24
JPS5544607A (en) * 1978-09-25 1980-03-29 Toshiba Corp Document producing device
GB2082448B (en) * 1980-08-21 1984-09-05 Sabco Ltd Carpet sweepers
DE3100497A1 (en) * 1981-01-09 1982-08-26 Leifheit International Günter Leifheit GmbH, 5408 Nassau "GROUND SWEEPER"

Also Published As

Publication number Publication date
JPS59177020A (en) 1984-10-06
ES8505240A1 (en) 1985-05-16
EP0119288A1 (en) 1984-09-26
ES530826A0 (en) 1985-05-16
ATE29376T1 (en) 1987-09-15
DE3373409D1 (en) 1987-10-15
US4489457A (en) 1984-12-25

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