EP2194225A2 - Roller for a ladder and assembly of a rung ladder and such roller - Google Patents

Roller for a ladder and assembly of a rung ladder and such roller Download PDF

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Publication number
EP2194225A2
EP2194225A2 EP09175553A EP09175553A EP2194225A2 EP 2194225 A2 EP2194225 A2 EP 2194225A2 EP 09175553 A EP09175553 A EP 09175553A EP 09175553 A EP09175553 A EP 09175553A EP 2194225 A2 EP2194225 A2 EP 2194225A2
Authority
EP
European Patent Office
Prior art keywords
ladder
roller
wheel
rollers
arrangement 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
EP09175553A
Other languages
German (de)
French (fr)
Other versions
EP2194225B1 (en
EP2194225A3 (en
Inventor
Gerd Markowski
Ulrich Ernst
Rudolf Pfeifer
Gerhard Müller
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.)
Hailo Werk Rudolf Loh GmbH and Co KG
Original Assignee
Hailo Werk Rudolf Loh GmbH and Co KG
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.)
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Publication date
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Publication of EP2194225A2 publication Critical patent/EP2194225A2/en
Publication of EP2194225A3 publication Critical patent/EP2194225A3/en
Application granted granted Critical
Publication of EP2194225B1 publication Critical patent/EP2194225B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/397—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders characterised by having wheels, rollers, or runners
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/42—Ladder feet; Supports therefor

Definitions

  • the present invention relates to a roller for attachment to a ladder, in particular to a ladder, with a wheel.
  • the invention further relates to an arrangement of a ladder and two rollers, wherein the rollers are mounted in the region of a first end of the ladder.
  • the ladder if it is to be moved from one site to another site, can be driven on the wheels of the rollers.
  • the ladder is raised at the second end opposite the rollers, while the first end of the ladder is supported on the ground by the rollers.
  • the construction of the ladder disclosed in the utility model is designed so that the rollers are firmly connected to the ladder. A subsequent attachment of roles on the ladder is not possible, if necessary, when the cross bar is prepared for the attachment of the rollers. Furthermore, it is not readily possible to attach the rollers of the ladder to a second ladder.
  • the invention has for its object to propose roles for a ladder that can be easily mounted and dismantled.
  • a ladder that can be easily mounted and dismantled.
  • the roles should be as possible designed so that they can be attached to ladders, without these are designed especially for it.
  • the roller has a wheel holder on which the wheel is rotatably mounted and that the roller has a fastening means which is suitable for releasable attachment to the conductor and arranged and which has a spreading element, which in a recess of the Ladder is plugged.
  • a rotation axis of the wheel of a roller according to the invention and a plug-in direction of the expansion element are preferably parallel to one another.
  • the forces acting on the wheel during unwinding are thus perpendicular to the insertion direction.
  • the load on the wheel thus acts neither in the insertion nor in the anti-parallel extraction direction of the expansion element from the ladder.
  • the attachment means of a roller according to the invention may comprise a screw, in particular a star screw or toggle screw. By tightening the screw, the spreader can be spread. As a result, the expansion element is fixed in the recess of the ladder.
  • the wheel holder may comprise a rod or be formed by a rod.
  • the wheel and the bolt can be arranged on a first side of the wheel holder and the spreading element may be arranged on a second side of the wheel holder.
  • the expansion element of a roll according to the invention can be substantially parallelepiped in the non-spread state.
  • the cross section of the expansion element is adapted to the shape of the recess in the ladder. It is therefore conceivable in particular a triangular or round cross-sectional shape.
  • the object underlying the invention is further achieved by an arrangement of a conductor and two rollers according to the invention, wherein the rollers according to the invention are fixed in the region of a first end of the ladder.
  • the rollers are preferably attached to spars of the ladder.
  • the rungs are inserted in through holes of the spars.
  • the rungs are advantageously sleeve-like or pot-shaped at least at their ends and have an at least open end recess.
  • the rungs can be tubes, in particular square tubes or triangular tubes.
  • the spars may have transverse to their direction of extension arranged blind holes or through holes.
  • rollers are advantageously inserted into the open end recesses in the ends of the rungs or in the blind holes or through holes in the bars and fixed by tightening the screws.
  • the wheel holders In a non-use position of the rollers, the wheel holders can be parallel to the bars. In a position of use of the rollers, the wheel holders are preferably at an angle of 45 ° to 90 ° to the bars. The angle between the wheel holders and the spars can be adjustable.
  • the roller 10 has a wheel holder 12, which is formed by a rod which is made of a sheet metal strip or flat material. At one end of the wheel holder 12, a wheel 11 is rotatably mounted. For this purpose, an axle is inserted through a bore of the wheel holder, on which the wheel 11 is secured with a nut.
  • a fastening means 13 is provided, with which the roller 10 can be attached to a ladder.
  • the fastening means 13 comprises a toggle screw 131 and a spreading element 130.
  • the thumb screw 131 is inserted through a hole in the wheel holder and initially loosely screwed into the expansion element 130. As a result, the expansion element 130 is secured to the wheel holder 12.
  • the axis of rotation of the wheel 11 and the extension direction of the expansion element are parallel to each other.
  • the conductors 20 to which the roller 10 according to the invention is attached in order to produce an arrangement according to the invention are already known per se, for example from the patent specification with the publication number EP 1 231 356 B1 "Ladder with leveling". It has two spars 21, on which rungs 22 are attached. The rungs 22 are used in recesses of the spars. The rungs 22 are made of a square tube and have open ends. These ends therefore have a directed towards the rung recess 220.
  • the spreading elements 130 of the rollers 10 are inserted into the recesses of the conductors 20.
  • the toggle screws 131 are tightened, causing the expansion elements 130 are spread and create the inside of the recesses 220 of the rungs.
  • the rollers 10 can in the position of use ( Fig. 4 . Fig. 5 ) or in the non-use position ( Fig. 6 . Fig. 7 ) may be attached to the conductor 10.
  • the wheel holder 12 In the position of use, the wheel holder 12 are aligned at approximately 90 ° to the spars, while in the non-use position, the wheel holder 12 are parallel to the bars 21.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)

Abstract

The roller (10) has a wheel holder (12) at which a wheel (11) is fastened in a rotatable manner. A fastening unit (13) including a screw (131) e.g. toggle screw, is provided for detachable fastening to a cross-beam of a ladder. The fastening unit has a spreading element (130) inserted into a recess of the ladder. An axis of rotation of the wheel and an insertion direction of the spreading element lie parallel to each other. The spreading element is designed in a cuboid shape in a non-spreading condition. An independent claim is also included for an arrangement of a ladder and two rollers.

Description

Die vorliegende Erfindung betrifft eine Rolle zur Befestigung an einer Leiter, insbesondere an einer Sprossenleiter, mit einem Rad. Die Erfindung betrifft ferner eine Anordnung aus einer Leiter und zwei Rollen, wobei die Rollen im Bereich eines ersten Endes der Leiter befestigt sind.The present invention relates to a roller for attachment to a ladder, in particular to a ladder, with a wheel. The invention further relates to an arrangement of a ladder and two rollers, wherein the rollers are mounted in the region of a first end of the ladder.

Aus der Gebrauchsmusterschrift mit der Veröffentlichungsnummer DE 20 2006 016 788 U1 sind an einer Sprossenleiter befestigte Rollen bekannt. Die Leiter weist an einem Ende einen Querriegel auf. Auf diesem Querriegel ruht die Leiter. Mit dem Querriegel wird eine größere Aufstandsfläche der Leiter erreicht, wodurch sie stabiler steht. Die Rollen sind an dem Querriegel der Leiter angebracht.From the utility model with the publication number DE 20 2006 016 788 U1 are attached to a rung ladder fixed roles known. The ladder has a cross bar at one end. The ladder rests on this crossbar. With the crossbar a larger footprint of the ladder is reached, which makes it more stable. The rollers are attached to the cross bar of the ladder.

Der Sinn der Rollen liegt darin, dass die Leiter, sofern sie von einem Aufstellungsort zu einem anderen Aufstellungsort versetzt werden soll, auf den Rädern der Rollen gefahren werden kann. Dazu wird die Leiter an dem den Rollen entgegengesetzten zweiten Ende angehoben, während das erste Ende der Leiter über die Rollen auf dem Boden aufgestützt ist.The purpose of the roles is that the ladder, if it is to be moved from one site to another site, can be driven on the wheels of the rollers. For this purpose, the ladder is raised at the second end opposite the rollers, while the first end of the ladder is supported on the ground by the rollers.

Die Konstruktion der in der Gebrauchsmusterschrift offenbarten Leiter ist so gestaltet, dass die Rollen fest mit der Leiter verbunden sind. Eine nachträgliche Anbringung von Rollen an der Leiter ist nicht möglich, allenfalls wenn der Querriegel für die Befestigung der Rollen vorbereitet ist. Des Weiteren ist es nicht ohne weiteres möglich, die Rollen der Leiter an einer zweiten Leiter anzubringen.The construction of the ladder disclosed in the utility model is designed so that the rollers are firmly connected to the ladder. A subsequent attachment of roles on the ladder is not possible, if necessary, when the cross bar is prepared for the attachment of the rollers. Furthermore, it is not readily possible to attach the rollers of the ladder to a second ladder.

Hier setzt die Erfindung an.This is where the invention starts.

Der Erfindung liegt die Aufgabe zugrunde Rollen für eine Leiter vorzuschlagen, die möglichst einfach montiert und demontiert werden können. Vorzugsweise sind an der Leiter keine besonderen Strukturen vorzusehen, die für die Befestigung der Rollen an der Leiter notwendig sind. Die Rollen sollen möglichst so gestaltet sein, dass sie auch an Leitern befestigt werden können, ohne dass diese besonders dafür gestaltet sind.The invention has for its object to propose roles for a ladder that can be easily mounted and dismantled. Preferably, there are no special structures on the conductor provided, which are necessary for the attachment of the rollers to the ladder. The roles should be as possible designed so that they can be attached to ladders, without these are designed especially for it.

Diese Aufgabe wird dadurch gelöst, dass die Rolle einen Radhalter aufweist, an welchem das Rad drehbar befestigt ist und dass die Rolle ein Befestigungsmittel aufweist, welches zur lösbaren Befestigung an der Leiter geeignet und eingerichtet ist und welches ein Spreizelement aufweist, das in eine Ausnehmung der Leiter einsteckbar ist. Als Struktur für die Befestigung der Rolle an der Leiter muss an der Leiter lediglich eine Ausnehmung vorgesehen sein, in welcher das Spreizelement der Rolle eingesteckt und gespreizt werden kann. Durch das Spreizen ist dann die Rolle an der Leiter befestigt.This object is achieved in that the roller has a wheel holder on which the wheel is rotatably mounted and that the roller has a fastening means which is suitable for releasable attachment to the conductor and arranged and which has a spreading element, which in a recess of the Ladder is plugged. As a structure for the attachment of the roller to the ladder only a recess must be provided on the conductor, in which the spreader of the role can be inserted and spread. By spreading the role is then attached to the ladder.

Eine Drehachse des Rades einer erfindungsgemäßen Rolle und eine Einsteckrichtung des Spreizelementes sind vorzugsweise parallel zueinander. Die beim Abrollen auf das Rad einwirkenden Kräfte liegen somit senkrecht zu der Einsteckrichtung. Die Belastung auf dem Rad wirkt somit weder in die Einsteckrichtung noch in die dazu antiparallele Auszugsrichtung des Spreizelementes aus der Leiter.A rotation axis of the wheel of a roller according to the invention and a plug-in direction of the expansion element are preferably parallel to one another. The forces acting on the wheel during unwinding are thus perpendicular to the insertion direction. The load on the wheel thus acts neither in the insertion nor in the anti-parallel extraction direction of the expansion element from the ladder.

Das Befestigungsmittel einer erfindungsgemäßen Rolle kann eine Schraube, insbesondere eine Sternschraube oder Knebelschraube umfassen. Durch das Anziehen der Schraube kann das Spreizelement gespreizt werden. Dadurch wird das Spreizelement in der Ausnehmung der Leiter festgesetzt.The attachment means of a roller according to the invention may comprise a screw, in particular a star screw or toggle screw. By tightening the screw, the spreader can be spread. As a result, the expansion element is fixed in the recess of the ladder.

Bei einer erfindungsgemäßen Rolle kann der Radhalter einen Stab umfassen oder durch einen Stab gebildet sein. Das Rad und die Schraube können auf einer ersten Seite des Radhalters angeordnet und das Spreizelement auf einer zweiten Seite des Radhalters angeordnet sein.In a roller according to the invention, the wheel holder may comprise a rod or be formed by a rod. The wheel and the bolt can be arranged on a first side of the wheel holder and the spreading element may be arranged on a second side of the wheel holder.

Das Spreizelement einer erfindungsgemäßen Rolle kann im nicht gespreizten Zustand im Wesentlichen quaderförmig sein. Vorzugsweise ist der Querschnitt des Spreizelementes an die Form der Ausnehmung in der Leiter angepasst. Es ist daher insbesondere auch eine dreieckige oder runde Querschnittsform denkbar.The expansion element of a roll according to the invention can be substantially parallelepiped in the non-spread state. Preferably, the cross section of the expansion element is adapted to the shape of the recess in the ladder. It is therefore conceivable in particular a triangular or round cross-sectional shape.

Die der Erfindung zu Grunde liegende Aufgabe wird ferner durch eine Anordnung aus einer Leiter und zwei erfindungsgemäßen Rollen gelöst, wobei die erfindungsgemäßen Rollen im Bereich eines ersten Endes der Leiter befestigt sind. Die Rollen sind vorzugsweise an Holmen der Leiter angebracht.The object underlying the invention is further achieved by an arrangement of a conductor and two rollers according to the invention, wherein the rollers according to the invention are fixed in the region of a first end of the ladder. The rollers are preferably attached to spars of the ladder.

Bei bevorzugt für eine erfahrungsgemäße Anordnung verwendeten Leitern sind die Sprossen in Durchgangslöchern der Holme eingesetzt. Die Sprossen sind vorteilhaft zumindest an ihren Enden hülsenartig oder topfartig ausgebildet und haben eine zumindest endseitig offene Ausnehmung. Die Sprossen können Rohre, insbesondere Vierkantrohre oder Dreikantrohre sein.In ladders preferably used for an inventive arrangement, the rungs are inserted in through holes of the spars. The rungs are advantageously sleeve-like or pot-shaped at least at their ends and have an at least open end recess. The rungs can be tubes, in particular square tubes or triangular tubes.

Bei anderen für eine erfindungsgemäße Anordnung verwendeten Leitern können die Holme quer zu ihrer Erstreckungsrichtung angeordnete Sacklöcher oder Durchgangslöcher aufweisen.In other conductors used for an inventive arrangement, the spars may have transverse to their direction of extension arranged blind holes or through holes.

Die Spreizelemente der Rollen sind vorteilhaft in die endseitig offenen Ausnehmungen in den Enden der Sprossen bzw. in die Sacklöcher oder Durchgangslöcher in den Holmen eingesteckt und durch Anziehen der Schrauben befestigt.The spreading of the rollers are advantageously inserted into the open end recesses in the ends of the rungs or in the blind holes or through holes in the bars and fixed by tightening the screws.

In einer Nichtgebrauchsstellung der Rollen können die Radhalter parallel zu den Holmen liegen. In einer Gebrauchsstellung der Rollen liegen die Radhalter bevorzugt in einem Winkel von 45° bis 90° zu den Holmen. Der Winkel zwischen den Radhaltern und den Holmen kann einstellbar sein.In a non-use position of the rollers, the wheel holders can be parallel to the bars. In a position of use of the rollers, the wheel holders are preferably at an angle of 45 ° to 90 ° to the bars. The angle between the wheel holders and the spars can be adjustable.

Weitere Merkmale und Vorteile der vorliegenden Erfindung werden deutlich anhand der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele unter Bezugnahme auf die beiliegenden Abbildungen. Darin zeigen

Fig. 1
eine perspektivische Ansicht einer erfindungsgemäßen Rolle zum Teil als Explosionsdarstellung,
Fig. 2
die gleiche Ansicht der Rolle im zusammengesetzten Zustand,
Fig. 3
eine Leiter und die Rolle aus den Figuren 1 und 2 vor der Verbindung in einer Detailansicht,
Fig. 4
eine Detailansicht der Anordnung aus der Leiter und der Rolle mit der Rolle in der Gebrauchsstellung,
Fig. 5
eine Gesamtansicht der Anordnung beim Schieben der Anordnung durch einen Benutzer,
Fig. 6
eine entsprechende Detailansicht der Anordnung mit der Rolle in der Nichtgebrauchsstellung und
Fig. 7
eine Gesamtansicht einer aufgerichteten Leiter.
Further features and advantages of the present invention will become apparent from the following description of preferred embodiments with reference to the accompanying drawings. Show in it
Fig. 1
a perspective view of a roller according to the invention partly as an exploded view,
Fig. 2
the same view of the roll in the assembled state,
Fig. 3
a ladder and the role of the FIGS. 1 and 2 before the connection in a detailed view,
Fig. 4
a detailed view of the arrangement of the conductor and the roller with the role in the position of use,
Fig. 5
an overall view of the arrangement when pushing the arrangement by a user,
Fig. 6
a corresponding detail view of the arrangement with the role in the non-use position and
Fig. 7
an overall view of an erect ladder.

Die erfindungsgemäße Rolle 10 weist einen Radhalter 12 auf, der durch einen Stab gebildet wird, der aus einem Blechstreifen oder Flachmaterial hergestellt ist. An einem Ende des Radhalters 12 ist ein Rad 11 drehbar befestigt. Dazu ist eine Achse durch eine Bohrung des Radhalters hindurch gesteckt, auf welcher das Rad 11 mit einer Mutter gesichert ist.The roller 10 according to the invention has a wheel holder 12, which is formed by a rod which is made of a sheet metal strip or flat material. At one end of the wheel holder 12, a wheel 11 is rotatably mounted. For this purpose, an axle is inserted through a bore of the wheel holder, on which the wheel 11 is secured with a nut.

An dem anderen Ende des Radhalters 12 ist ein Befestigungsmittel 13 vorgesehen, mit welchem die Rolle 10 an einer Leiter befestigt werden kann. Das Befestigungsmittel 13 umfasst eine Knebelschraube 131 und ein Spreizelement 130. Die Knebelschraube 131 ist durch eine Bohrung in dem Radhalter hindurch gesteckt und in das Spreizelement 130 zunächst lose eingeschraubt. Dadurch ist das Spreizelement 130 an dem Radhalter 12 gesichert.At the other end of the wheel holder 12, a fastening means 13 is provided, with which the roller 10 can be attached to a ladder. The fastening means 13 comprises a toggle screw 131 and a spreading element 130. The thumb screw 131 is inserted through a hole in the wheel holder and initially loosely screwed into the expansion element 130. As a result, the expansion element 130 is secured to the wheel holder 12.

Die Drehachse des Rades 11 und die Erstreckungsrichtung des Spreizelementes liegen parallel zueinander.The axis of rotation of the wheel 11 and the extension direction of the expansion element are parallel to each other.

Die Leiter 20, an welcher die erfindungsgemäße Rolle 10 befestigt wird, um eine erfindungsgemäße Anordnung herzustellen, ist an sich schon bekannt, zum Beispiel aus der Patentschrift mit der Veröffentlichungsnummer EP 1 231 356 B1 "Leiter mit einem Niveauausgleich". Sie weist zwei Holme 21 auf, an denen Sprossen 22 befestigt sind. Die Sprossen 22 sind dazu in Ausnehmungen der Holme eingesetzt. Die Sprossen 22 sind aus einem Vierkantrohr hergestellt und haben offene Enden. Diese Enden haben daher eine in Richtung der Sprosse gerichtete Ausnehmung 220.The conductors 20 to which the roller 10 according to the invention is attached in order to produce an arrangement according to the invention are already known per se, for example from the patent specification with the publication number EP 1 231 356 B1 "Ladder with leveling". It has two spars 21, on which rungs 22 are attached. The rungs 22 are used in recesses of the spars. The rungs 22 are made of a square tube and have open ends. These ends therefore have a directed towards the rung recess 220.

Zur Befestigung der Rollen 10 sind die Spreizelemente 130 der Rollen 10 in die Ausnehmungen der Leiter 20 eingesteckt. Die Knebelschrauben 131 sind fest angezogen, wodurch die Spreizelemente 130 gespreizt sind und sich an die Innenseite der Ausnehmungen 220 der Sprossen anlegen.For fixing the rollers 10, the spreading elements 130 of the rollers 10 are inserted into the recesses of the conductors 20. The toggle screws 131 are tightened, causing the expansion elements 130 are spread and create the inside of the recesses 220 of the rungs.

Die Rollen 10 können in der Gebrauchslage (Fig. 4, Fig. 5) oder in der Nichtgebrauchslage (Fig. 6, Fig. 7) an der Leiter 10 befestigt sein. In der Gebrauchslage sind die Radhalter 12 in etwa 90° zu den Holmen ausgerichtet, während in der Nichtgebrauchslage die Radhalter 12 parallel zu den Holmen 21 liegen.The rollers 10 can in the position of use ( Fig. 4 . Fig. 5 ) or in the non-use position ( Fig. 6 . Fig. 7 ) may be attached to the conductor 10. In the position of use, the wheel holder 12 are aligned at approximately 90 ° to the spars, while in the non-use position, the wheel holder 12 are parallel to the bars 21.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
Rollerole
1111
Radwheel
1212
Radhalterwheel holders
1313
Befestigungsmittelfastener
130130
Spreizelementspreader
131131
KnebelschraubeTommy screw
2020
Leiterladder
2121
HolmHolm
2222
Sprosserung
220220
Ausnehmung am Ende der SprosseRecess at the end of the rung

Claims (15)

Rolle (10) zur Befestigung an einer Leiter (20), insbesondere an einer Sprossenleiter mit einem Rad (11),
dadurch gekennzeichnet,
dass die Rolle (10) einen Radhalter (12) aufweist, an welchem das Rad (11) drehbar befestigt ist, und
dass die Rolle (10) ein Befestigungsmittel (13) aufweist, welches zur lösbaren Befestigung an einem Holm (21) der Leiter (20) geeignet und eingerichtet ist und welches ein Spreizelement (130) aufweist, das in eine Ausnehmung (220) der Leiter (20) einsteckbar ist.Roller (10) for attachment to a ladder (20), in particular to a rung ladder with a wheel (11),
characterized,
that the roller (10) has a wheel holder (12) on which the wheel (11) is rotatably mounted, and
in that the roller (10) has a fastening means (13) which is suitable and adapted for releasable attachment to a spar (21) of the ladder (20) and which has a spreading element (130) which projects into a recess (220) of the ladder (20) can be inserted. Rolle (10) nach Anspruch 1 , dadurch gekennzeichnet, dass die Drehachse des Rades (11) und eine Einsteckrichtung des Spreizelementes (130) parallel zueinander sind.Roller (10) according to claim 1, characterized in that the axis of rotation of the wheel (11) and a plug-in direction of the expansion element (130) are parallel to each other. Rolle (10) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Befestigungsmittel (13) eine Schraube (131), insbesondere eine Sternschraube oder Knebelschraube umfasst, wobei das Spreizelement (130) geeignet und eingerichtet ist durch Anziehen der Schraube (131) gespreizt zu werden.Roller (10) according to claim 1 or 2, characterized in that the fastening means (13) comprises a screw (131), in particular a star screw or toggle screw, wherein the spreader (130) is suitable and adapted spread by tightening the screw (131) to become. Rolle (10) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Radhalter (12) einen Stab umfasst oder durch einen Stab gebildet ist.Roller (10) according to one of claims 1 to 3, characterized in that the wheel holder (12) comprises a rod or is formed by a rod. Rolle (10) nach Anspruch 4, dadurch gekennzeichnet, dass das Rad (10) und die Schraube (131) auf einer ersten Seite des Stabes und das Spreizelement (130) auf einer zweiten Seite des Stabes angeordnet sind.Roller (10) according to claim 4, characterized in that the wheel (10) and the screw (131) on a first side of the Bar and the expansion element (130) are arranged on a second side of the rod. Rolle (10) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Spreizelement (130) im nicht gespreizten Zustand im Wesentlichen quaderförmig ist.Roll (10) according to any one of claims 1 to 5, characterized in that the expansion element (130) is cuboid in the non-expanded state substantially. Anordnung aus einer Leiter (20) und zwei Rollen (10), wobei die Rollen (10) im Bereich eines ersten Endes der Leiter (20) befestigt sind, dadurch gekennzeichnet, dass die Rollen (10) nach einem der Ansprüche 1 bis 6 ausgebildet sind.Arrangement comprising a conductor (20) and two rollers (10), wherein the rollers (10) are fastened in the region of a first end of the conductors (20), characterized in that the rollers (10) are designed according to one of Claims 1 to 6 are. Anordnung nach Anspruch 7, dadurch gekennzeichnet, dass die Rollen (10) an Holmen (21) der Leiter (20) angebracht sind.Arrangement according to claim 7, characterized in that the rollers (10) on spars (21) of the conductors (20) are mounted. Anordnung nach Anspruch 8, dadurch gekennzeichnet, dass die Sprossen (22) in Durchgangslöchern der Holme (21) eingesetzt sind.Arrangement according to claim 8, characterized in that the rungs (22) in through holes of the spars (21) are inserted. Anordnung nach Anspruch 9, dadurch gekennzeichnet, dass die Sprossen (22) zumindest an ihren Enden hülsenartig oder topfartig ausgebildet sind und eine zumindest endseitig offene Ausnehmung (220) aufweisen.Arrangement according to claim 9, characterized in that the rungs (22) are sleeve-like or pot-shaped at least at their ends and have an at least open end recess (220). Anordnung nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, dass die Holme (21) quer zu ihrer Erstreckungsrichtung angeordnete Sacklöcher oder Durchgangslöcher aufweisen.Arrangement according to one of claims 7 to 10, characterized in that the spars (21) arranged transversely to their direction of extension arranged blind holes or through holes. Anordnung nach Anspruch 10 oder 1 1 , dadurch gekennzeichnet, dass die Spreizelemente der Rollen (10) in die endseitig offene Ausnehmung in den Enden der Sprossen (22) bzw. in die Sacklöcher oder Durchgangslöcher in den Holm (21) eingreifen und durch Anziehen der Schrauben (131) der Rollen (10) dort befestigt sind.Arrangement according to claim 10 or 1 1, characterized in that the spreading elements of the rollers (10) engage in the end-side open recess in the ends of the rungs (22) or in the blind holes or through holes in the spar (21) and by tightening the screws (131) of the rollers (10) are fixed there. Anordnung nach Anspruch 12, dadurch gekennzeichnet, dass in einer Nichtgebrauchsstellung der Rollen (10) die Radhalter (12) parallel zu den Holmen (21) liegen.Arrangement according to claim 12, characterized in that in a non-use position of the rollers (10), the wheel holders (12) are parallel to the bars (21). Anordnung nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass in einer Gebrauchsstellung der Rollen (10) die Radhalter (12) in einem Winkel von 45° bis 90° zu den Holmen (21) liegen.Arrangement according to claim 12 or 13, characterized in that in a position of use of the rollers (10) the wheel holders (12) lie at an angle of 45 ° to 90 ° to the bars (21). Anordnung nach einem der Ansprüche 12 bis 14, dadurch gekennzeichnet, dass der Winkel zwischen den Radhaltern (12) und den Holmen (21) einstellbar ist.Arrangement according to one of claims 12 to 14, characterized in that the angle between the wheel holders (12) and the spars (21) is adjustable.
EP09175553.8A 2008-12-02 2009-11-10 Assembly of a ladder and two rollers Not-in-force EP2194225B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200820015903 DE202008015903U1 (en) 2008-12-02 2008-12-02 Rollers for a ladder and arrangement of a rung ladder and such rolls

Publications (3)

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EP2194225A2 true EP2194225A2 (en) 2010-06-09
EP2194225A3 EP2194225A3 (en) 2012-04-18
EP2194225B1 EP2194225B1 (en) 2014-01-15

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EP (1) EP2194225B1 (en)
DE (1) DE202008015903U1 (en)

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DE102013005324B4 (en) * 2013-03-26 2020-01-16 Hymer-Leichtmetallbau Gmbh & Co. Kg Platform ladder with ladder extension
IL282106B1 (en) * 2021-04-06 2024-05-01 Kapro Ind Ltd Caster device pair for use with ladder

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DE202006016788U1 (en) 2006-11-03 2007-02-15 Günzburger Steigtechnik Munk GmbH Ladder or scaffold has rollers at one end which are distanced from mounting plane when ladder is in use but rest and roll on ground when ladder is raised at other end for transportation
EP1231356B1 (en) 2001-02-09 2008-03-05 Hailo-Werk Rudolf Loh GmbH & Co. KG Ladder with a level-compensating device

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GB783518A (en) * 1954-03-22 1957-09-25 Cyril Harcourt Matthews Improvements in or relating to step ladders, trestles, working platforms or the like
GB8524419D0 (en) * 1985-10-03 1985-11-06 Flexello Castors & Wheels Expander device
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Publication number Priority date Publication date Assignee Title
EP1231356B1 (en) 2001-02-09 2008-03-05 Hailo-Werk Rudolf Loh GmbH & Co. KG Ladder with a level-compensating device
DE202006016788U1 (en) 2006-11-03 2007-02-15 Günzburger Steigtechnik Munk GmbH Ladder or scaffold has rollers at one end which are distanced from mounting plane when ladder is in use but rest and roll on ground when ladder is raised at other end for transportation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVR20120149A1 (en) * 2012-07-19 2014-01-20 F A C A L S R L TRANSFORMABLE FOLDER IN STAIRCASE

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EP2194225A3 (en) 2012-04-18
DE202008015903U1 (en) 2009-02-19

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