EP2360345A2 - Ladder, in particular step ladder or folding step ladder, with a platform, an ascending part, a support part and a frame - Google Patents

Ladder, in particular step ladder or folding step ladder, with a platform, an ascending part, a support part and a frame Download PDF

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Publication number
EP2360345A2
EP2360345A2 EP11153583A EP11153583A EP2360345A2 EP 2360345 A2 EP2360345 A2 EP 2360345A2 EP 11153583 A EP11153583 A EP 11153583A EP 11153583 A EP11153583 A EP 11153583A EP 2360345 A2 EP2360345 A2 EP 2360345A2
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EP
European Patent Office
Prior art keywords
ladder
platform
bolt
tube
support member
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
EP11153583A
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German (de)
French (fr)
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EP2360345A3 (en
EP2360345B1 (en
Inventor
Rudolf Pfeifer
Gerhard Müller
Uwe Wunderlich
Oliver Traut
Ulrich Ernst
Alexander Faut
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Hailo Werk Rudolf Loh GmbH and Co KG
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Hailo Werk Rudolf Loh GmbH and Co KG
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Publication of EP2360345A2 publication Critical patent/EP2360345A2/en
Publication of EP2360345A3 publication Critical patent/EP2360345A3/en
Application granted granted Critical
Publication of EP2360345B1 publication Critical patent/EP2360345B1/en
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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
    • E06C1/39—Ladders having platforms; Ladders changeable into platforms
    • E06C1/393—Ladders having platforms foldable with the ladder

Definitions

  • the present invention relates to a ladder, in particular stepladder or folding step, with a platform, with a riser part comprising two spars, which are connected to each other via steps and / or rungs, with a support part comprising two interconnected spars, and with a Hanger.
  • the riser and the support member are pivotally connected together.
  • the platform is pivotally mounted on the riser.
  • the bracket is pivotally mounted on the support member and engages around a tube or bolt of the support member. Furthermore, the bracket is hingedly connected to the platform.
  • step ladders are also known by the frequent use of large parts of the population. The applicant also manufactures and distributes step stiffeners of this type. The ladders have proven themselves over many years. There are also no safety concerns against the design of the connections between the riser, the platform, the bracket and the support member.
  • the unfounded impression may arise that the ladder is not sufficiently solid. This is due to the property of the ladder that in the erected state of the ladder with changing loading and unloading of the platform, a rattling noise may occur when the bar moves relative to the pipe or bolt of the support member. For some users then the unfounded impression arises that the ladder is not sufficiently solid.
  • the resulting rattling noise can also irritate a user.
  • the irritation can arise when a user thinks that the ladder is not fully opened due to the rattling noise in the erected condition of the ladder.
  • bracket and support member with the development of a locking noise locked together so that there is no risk of sudden collapse.
  • the Einrastge syndromesch is not clearly recognizable by some users. He can not clearly tell from a rattling noise during use of the erected ladder.
  • the present invention is based on the problem, a conductor of the type mentioned in such a way that a user has a greater sense of solidity and safety in the use of the ladder.
  • bracket encompasses the tube or the bolt without play.
  • connection between the bracket on one side and the pipe or the bolt on the other side is eliminated as the cause of rattling noises.
  • This connection could be identified as a major cause of rattling noises.
  • the design of the compound as a play-free connection effectively prevents the formation of rattling noises when the platform is under load.
  • the bracket is bent from a wire. But it can also be made of a different material. It is conceivable, for example, to manufacture the bracket as a plastic injection-molded part.
  • the bracket may have two legs which are hingedly connected at first ends to the platform and which are connected at second ends to a web connecting the legs.
  • the thigh are placed in the region of the second ends to the tube or the bolt of the support member, in particular wound.
  • the web extends in first sections, preferably in two sections adjoining the legs, approximately parallel to the tube or the bolt. Almost parallel may mean that the first sections and the tube or bolt are skewed to each other, wherein in a projection of the sections and the tube or the bolt along the common slot an angle of preferably up to 5 ° between the direction of a first section and the tube and the bolt can lie.
  • the web of a conductor according to the invention may have a bow or a bend in a second, preferably middle section.
  • the second portion may rest against the tube or the bolt of the support member without play, preferably under bias.
  • the second portion of the bridge of the yoke of a conductor according to the invention may be projected in the direction of the tube or bolt by approximately preferably 85 ° to 95 °, more preferably approximately 90 °, with respect to the first portions of the ridge and / or the second ends of the ridge Be angled legs.
  • the first portions of the web can be angled relative to the second ends of the legs by preferably about 85 ° to 95 °, more preferably approximately 90 °.
  • a ladder according to the invention can be transferred from a folded to an unfolded state, wherein in the unfolded state, the platform abuts against the tube or bolt of the support member and is engaged, to which the bracket is attached. Furthermore, the platform and the pipe or bolt be configured so that when transferring into the unfolded state a single Einrastge Hursch can be generated.
  • the click sound which can be loudly described as "clack” can be clearly seen and can no longer be confused with a rattling sound.
  • a user of a conductor according to the invention can thus clearly see that the ladder locks during installation and can not collapse unintentionally.
  • the conductor 1 according to the invention is a step ladder with the assemblies riser 10, support member 20, platform 30 and bracket 40, wherein in particular the riser 10 and the support member 20 are assembled from several individual parts.
  • the riser 10, the support member 20 and the platform 30 are formed in a basically known manner.
  • the riser 10 has two spars 11, which are interconnected by a plurality of stages 12. At the lower ends of the spars 12 plastic caps 13 are attached, which form conductor feet.
  • the support member 20 has two spars 21, the lower ends are provided with plastic parts 13, forming the ladder feet.
  • the spars 21 of the support member 20 are connected by two tubes 22, 23 together.
  • Each attached to an upper end of the spars 21 of the support member 20 hinge member 24, the support member 20 and the riser part 10 are pivotally connected to each other.
  • the hinge parts 24 are below the upper Ends hinged to the spars 11 of the riser 11.
  • the regions of the spars 11 of the riser part 10 that project beyond the joint between the riser part 10 and the support part 20 may be connected to one another via a retaining clip, which is not shown.
  • the support member 10 and the riser 20 can be pivoted against each other to the ladder 1 apart or collapse.
  • the two uprights 11 of the riser part are connected in addition to the steps 12 via a pipe 14 which is fastened between the joints between the riser part 10 and the support part 20 and an uppermost step 12a of the riser part 10.
  • the platform 30 is pivotally mounted between the two bars of the riser.
  • the platform 30 is made, for example, by deep drawing from a metal sheet. It has a rectangular shape in a plan view, wherein an edge is angled relative to a central part by approximately 90 °.
  • the pivotal attachment between the tube 14 and the platform 30 via holes in the angled edge of the platform 30, which are penetrated by the tube 14.
  • the edge is notched.
  • These notches have undercuts and form in the unfolded state of the conductor 1 receptacles for the upper tube 23, which connects the spars 21 of the support member 20 with each other.
  • the undercuts allow engagement of the upper tube 23 in the notches. The result is a click sound that can be painterly described with a "clack".
  • the position of the platform 30 in the folded state and in the unfolded state of the ladder 1 and in positions between the folded state and the unfolded state of the conductor 1 is determined by the bracket 40, which is pivotally mounted on the one hand on the underside of the platform 30 and on the other hand pivotally connected to the upper tube 23 of the riser 20.
  • the bracket 40 is made by bending from a wire of about 5 mm in diameter.
  • the attachment to the underside of the platform 30 via stamped from the middle part and flared tabs, in which holes are provided.
  • the bores receive first ends 41 of legs 43 of the bracket 40. Second ends 42 of the legs 43 are interconnected by a web 45.
  • legs 43 are bent in an approximately annular manner and placed around the upper tube 23 of the support member 20.
  • the web 45 has first portions 47, which adjoin the second ends 42 of the legs 43 and 43 are angled relative to the second ends 42 of the legs by approximately 90 °.
  • the first portions 47 of the web 45 are approximately rectilinear and approximately parallel to the upper tube 23 of the support member 20. They are connected by a second portion 46 which forms an arc.
  • the arc 46 extends in a projection in the direction of the upper tube 23 approximately perpendicular to the first portions 47 of the web 45 and the second ends 42 of the legs 43. At its center, the arc 46 is biased to the upper tube 23 of the Support member 20 without play. The consequence of this is that there is no play between the bracket 40 and the upper tube 23 of the support member 20, which could lead to rattling noises.

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  • Ladders (AREA)

Abstract

The ladder has a climbing part (10) with two bars that are connected with each other by stages and/or attachment parts. A support part (20) includes two bars that are connected with each other and with a frame (40). The climbing part and the support part are pivotally connected with each other. A platform (30) is pivotally attached at the climbing part, and the frame is pivotally attached at the support part. The frame surrounds a pipe (23) or a bolt of the support part in a play-free manner. The frame is articulately connected with the platform.

Description

Die vorliegende Erfindung betrifft eine Leiter, insbesondere Stufenstehleiter oder Klapptritt, mit einer Plattform, mit einem Steigteil, das zwei Holme umfasst, die über Stufen und/oder Sprossen miteinander verbunden sind, mit einem Stützteil, das zwei miteinander verbundene Holme umfasst, und mit einem Bügel. Das Steigteil und das Stützteil sind schwenkbar miteinander verbunden. Die Plattform ist schwenkbar an dem Steigteil angebracht. Der Bügel ist schwenkbar an dem Stützteil angebracht und umgreift dazu ein Rohr oder Bolzen des Stützteils. Ferner ist der Bügel gelenkig mit der Plattform verbunden.The present invention relates to a ladder, in particular stepladder or folding step, with a platform, with a riser part comprising two spars, which are connected to each other via steps and / or rungs, with a support part comprising two interconnected spars, and with a Hanger. The riser and the support member are pivotally connected together. The platform is pivotally mounted on the riser. The bracket is pivotally mounted on the support member and engages around a tube or bolt of the support member. Furthermore, the bracket is hingedly connected to the platform.

Derartige Leitern, insbesondere derartige Stufenstehleitern sind auch durch den häufigen Gebrauch großer Teile der Bevölkerung bekannt. Auch die Anmelderin stellt derartige Stufenstehleitern her und vertreibt diese. Die Leitern haben sich über viele Jahre bewährt. Es bestehen auch keine Sicherheitsbedenken gegen die Ausgestaltung der Verbindungen zwischen dem Steigteil, der Plattform, dem Bügel und dem Stützteil.Such ladders, in particular such step ladders are also known by the frequent use of large parts of the population. The applicant also manufactures and distributes step stiffeners of this type. The ladders have proven themselves over many years. There are also no safety concerns against the design of the connections between the riser, the platform, the bracket and the support member.

Bei manchem Benutzer einer solchen Leiter kann jedoch der unbegründete Eindruck entstehen, dass die Leiter nicht hinreichend solide ist. Dieses liegt in der Eigenschaft der Leitern begründet, dass im aufgestellten Zustand der Leiter bei wechselnder Be- und Entlastung der Plattform ein Klappergeräusch entstehen kann, wenn der Bügel sich gegenüber dem Rohr oder Bolzen des Stützteils bewegt. Bei manchem Benutzer entsteht dann der unbegründete Eindruck, dass die Leiter nicht hinreichend solide sei.For some users of such a ladder, however, the unfounded impression may arise that the ladder is not sufficiently solid. This is due to the property of the ladder that in the erected state of the ladder with changing loading and unloading of the platform, a rattling noise may occur when the bar moves relative to the pipe or bolt of the support member. For some users then the unfounded impression arises that the ladder is not sufficiently solid.

Das entstehende Klappergeräusch kann einen Benutzer auch irritieren. Die Irritation kann entstehen, wenn ein Benutzer aufgrund des Klappergeräusches im aufgestellten Zustand der Leiter meint, dass die Leiter nicht vollständig aufgeklappt ist. Zwar ist im aufgeklappten bzw. aufgestellten Zustand der Leiter der Mechanismus aus Plattform, Bügel und Stützteil unter Entwicklung eines Einrastgeräusches miteinander verrastet, so dass keine Gefahr eines plötzlichen Zusammenklappens besteht. Das Einrastgeräusch ist von manchem Benutzer aber nicht eindeutig erkennbar. Er es kann nicht eindeutig von einem Klappergeräusch während der Benutzung der aufgestellten Leiter unterscheiden.The resulting rattling noise can also irritate a user. The irritation can arise when a user thinks that the ladder is not fully opened due to the rattling noise in the erected condition of the ladder. Although is in the unfolded or erected state of the head of the mechanism platform, bracket and support member with the development of a locking noise locked together so that there is no risk of sudden collapse. The Einrastgeräusch is not clearly recognizable by some users. He can not clearly tell from a rattling noise during use of the erected ladder.

Hier setzt die vorliegende Erfindung an.This is where the present invention begins.

Der vorliegenden Erfindung liegt das Problem zugrunde, eine Leiter der eingangs genannten Art so fortzubilden, dass ein Benutzer ein größeres Gefühl von Solidität und Sicherheit bei der Benutzung der Leiter hat.The present invention is based on the problem, a conductor of the type mentioned in such a way that a user has a greater sense of solidity and safety in the use of the ladder.

Dieses Problem wird dadurch gelöst, dass der Bügel das Rohr oder den Bolzen spielfrei umgreift. Dadurch ist die Verbindung zwischen dem Bügel auf der einen Seite und dem Rohr bzw. dem Bolzen auf der anderen Seite als Ursache von Klappergeräuschen beseitigt. Diese Verbindung könnte als eine Hauptursache von Klappergeräuschen ermittelt werden. Die Ausgestaltung der Verbindung als spielfreie Verbindung unterbindet die Entstehung von Klappergeräuschen bei wechselnder Belastung der Plattform wirksam.This problem is solved in that the bracket encompasses the tube or the bolt without play. As a result, the connection between the bracket on one side and the pipe or the bolt on the other side is eliminated as the cause of rattling noises. This connection could be identified as a major cause of rattling noises. The design of the compound as a play-free connection effectively prevents the formation of rattling noises when the platform is under load.

Bevorzugt ist der Bügel aus einem Draht gebogen. Er kann aber auch aus einem anderen Material hergestellt sein. Denkbar ist zum Beispiel den Bügel als Kunststoffspritzgussteil herzustellen.Preferably, the bracket is bent from a wire. But it can also be made of a different material. It is conceivable, for example, to manufacture the bracket as a plastic injection-molded part.

Der Bügel kann zwei Schenkel aufweisen, die mit ersten Enden mit der Plattform gelenkig verbunden sind und die mit zweiten Enden mit einem die Schenkel verbindenden Steg verbunden sind. Die Schenkel sind im Bereich der zweiten Enden um das Rohr oder den Bolzen des Stützteils gelegt, insbesondere gewickelt.The bracket may have two legs which are hingedly connected at first ends to the platform and which are connected at second ends to a web connecting the legs. The thigh are placed in the region of the second ends to the tube or the bolt of the support member, in particular wound.

Der Steg verläuft in ersten Abschnitten, vorzugsweise in zwei an die Schenkel anschließenden Abschnitten, annähernd parallel zu dem Rohr oder dem Bolzen. Annähernd parallel kann heißen, dass die ersten Abschnitte und das Rohr oder der Bolzen windschief zueinander liegen, wobei in einer Projektion der Abschnitte und des Rohres bzw. des Bolzens entlang des Gemeinlots ein Winkel von vorzugsweise bis zu 5° zwischen der Richtung eines ersten Abschnitts und des Rohres und des Bolzens liegen kann.The web extends in first sections, preferably in two sections adjoining the legs, approximately parallel to the tube or the bolt. Almost parallel may mean that the first sections and the tube or bolt are skewed to each other, wherein in a projection of the sections and the tube or the bolt along the common slot an angle of preferably up to 5 ° between the direction of a first section and the tube and the bolt can lie.

Der Steg einer erfindungsgemäßen Leiter kann in einem zweiten vorzugsweise mittleren Abschnitt einen Bogen oder eine Abwinkelung aufweisen. Der zweite Abschnitt kann an dem Rohr oder dem Bolzen des Stützteils spielfrei anliegen, vorzugsweise unter Vorspannung.The web of a conductor according to the invention may have a bow or a bend in a second, preferably middle section. The second portion may rest against the tube or the bolt of the support member without play, preferably under bias.

Der zweite Abschnitt des Stegs des Bügels einer erfindungsgemäßen Leiter kann in einer Projektion in Richtung des Rohres oder des Bolzens um ca. vorzugsweise 85° bis 95°, besonders bevorzugt annähernd um 90° gegenüber den ersten Abschnitten des Stegs und/oder den zweiten Enden der Schenkel abgewinkelt sein.The second portion of the bridge of the yoke of a conductor according to the invention may be projected in the direction of the tube or bolt by approximately preferably 85 ° to 95 °, more preferably approximately 90 °, with respect to the first portions of the ridge and / or the second ends of the ridge Be angled legs.

Die ersten Abschnitte des Stegs können gegenüber den zweiten Enden der Schenkel um vorzugsweise ca. 85° bis 95°, besonders bevorzugt annähernd um 90° abgewinkelt sein.The first portions of the web can be angled relative to the second ends of the legs by preferably about 85 ° to 95 °, more preferably approximately 90 °.

Eine erfindungsgemäße Leiter kann von einem zusammengeklappten in einen auseinandergeklappten Zustand überführbar sein, wobei im auseinandergeklappten Zustand die Plattform an dem Rohr oder Bolzen des Stützteils anliegt und eingerastet ist, an dem der Bügel befestigt ist. Ferner kann die Plattform und das Rohr oder der Bolzen so ausgestaltet sein, dass beim Überführen in den auseinander geklappten Zustand ein einmaliges Einrastgeräusch erzeugbar ist. Das Einrastgeräusch, welches sich laut malerisch als "Klack" bezeichnen lässt, lässt sich deutlich erkennen und kann auch nicht mehr mit einem Klappergeräusch verwechselt werden. Ein Benutzer einer erfindungsgemäßen Leiter kann somit eindeutig erkennen, dass die Leiter beim Aufstellen einrastet und nicht unbeabsichtigt zusammenklappen kann.A ladder according to the invention can be transferred from a folded to an unfolded state, wherein in the unfolded state, the platform abuts against the tube or bolt of the support member and is engaged, to which the bracket is attached. Furthermore, the platform and the pipe or bolt be configured so that when transferring into the unfolded state a single Einrastgeräusch can be generated. The click sound, which can be loudly described as "clack" can be clearly seen and can no longer be confused with a rattling sound. A user of a conductor according to the invention can thus clearly see that the ladder locks during installation and can not collapse unintentionally.

Ein Ausführungsbeispiel für eine erfindungsgemäße Leiter ist anhand der Zeichnungen näher beschrieben. Es zeigt

Fig. 1
eine Rückansicht der erfindungsgemäßen Leiter,
Fig. 2
einen Schnitt durch die Leiter gemäß der Linie II-II in Fig. 1,
Fig. 3
eine erste Einzelteildarstellung eines Bügels der erfindungsgemäßen Leiter und
Fig. 4
eine zweite Einzelteildarstellung des Bügels der erfindungsgemäßen Leiter.
An embodiment of a conductor according to the invention is described in more detail with reference to the drawings. It shows
Fig. 1
a rear view of the conductors according to the invention,
Fig. 2
a section through the ladder according to the line II-II in Fig. 1 .
Fig. 3
a first single part illustration of a bracket of the inventive ladder and
Fig. 4
a second detail view of the bracket of the conductor according to the invention.

Die erfindungsgemäße Leiter 1 ist eine Stufenstehleiter mit den Baugruppen Steigteil 10, Stützteil 20, Plattform 30 und Bügel 40, wobei insbesondere das Steigteil 10 und das Stützteil 20 aus mehreren Einzelteilen zusammengefügt sind. Das Steigteil 10, das Stützteil 20 und die Plattform 30 sind auf grundsätzlich bekannte Art und Weise ausgebildet.The conductor 1 according to the invention is a step ladder with the assemblies riser 10, support member 20, platform 30 and bracket 40, wherein in particular the riser 10 and the support member 20 are assembled from several individual parts. The riser 10, the support member 20 and the platform 30 are formed in a basically known manner.

Das Steigteil 10 weist zwei Holme 11 auf, die durch mehrere Stufen 12 miteinander verbunden sind. An den unteren Enden der Holme 12 sind Kunststoffkappen 13 angebracht, welche Leiterfüße bilden.The riser 10 has two spars 11, which are interconnected by a plurality of stages 12. At the lower ends of the spars 12 plastic caps 13 are attached, which form conductor feet.

Ebenso wie das Steigteil 10 weist auch das Stützteil 20 zwei Holme 21 auf, deren untere Enden mit Kunststoffteilen 13 versehen sind, die Leiterfüße bilden. Die Holme 21 des Stützteils 20 sind durch zwei Rohre 22, 23 miteinander verbunden. Über je ein an einem oberen Ende der Holme 21 des Stützteils 20 angebrachtes Scharnierteil 24 sind das Stützteil 20 und das Steigteil 10 schwenkbar miteinander verbunden. Die Scharnierteile 24 sind dazu unterhalb der oberen Enden an den Holmen 11 des Steigteils 11 angelenkt. Die das Gelenk zwischen dem Steigteil 10 und dem Stützteil 20 überragenden Bereiche der Holme 11 des Steigteils 10 können über einen Haltebügel miteinander verbunden sein, was nicht dargestellt ist.As well as the riser 10, the support member 20 has two spars 21, the lower ends are provided with plastic parts 13, forming the ladder feet. The spars 21 of the support member 20 are connected by two tubes 22, 23 together. Each attached to an upper end of the spars 21 of the support member 20 hinge member 24, the support member 20 and the riser part 10 are pivotally connected to each other. The hinge parts 24 are below the upper Ends hinged to the spars 11 of the riser 11. The regions of the spars 11 of the riser part 10 that project beyond the joint between the riser part 10 and the support part 20 may be connected to one another via a retaining clip, which is not shown.

Das Stützteil 10 und das Steigteil 20 können gegeneinander geschwenkt werden, um die Leiter 1 auseinander- bzw. zusammenzuklappen.The support member 10 and the riser 20 can be pivoted against each other to the ladder 1 apart or collapse.

Die beiden Holme 11 des Steigteils sind neben den Stufen 12 auch über ein Rohr 14 verbunden, das zwischen den Gelenken zwischen dem Steigteil 10 und dem Stützteil 20 und einer obersten Stufe 12a des Steigteils 10 befestigt ist. Auf dem Rohr 14 ist schwenkbar zwischen den beiden Holmen des Steigteils die Plattform 30 angebracht. Die Plattform 30 ist beispielsweise durch Tiefziehen aus einem Metallblech hergestellt. Es hat eine in einer Draufsicht rechteckige Form, wobei ein Rand gegenüber einem Mittelteil um ca. 90° abgewinkelt ist. Die schwenkbare Befestigung zwischen dem Rohr 14 und der Plattform 30 erfolgt über Bohrungen im abgewinkelten Rand der Plattform 30, welche von dem Rohr 14 durchgriffen werden.The two uprights 11 of the riser part are connected in addition to the steps 12 via a pipe 14 which is fastened between the joints between the riser part 10 and the support part 20 and an uppermost step 12a of the riser part 10. On the tube 14, the platform 30 is pivotally mounted between the two bars of the riser. The platform 30 is made, for example, by deep drawing from a metal sheet. It has a rectangular shape in a plan view, wherein an edge is angled relative to a central part by approximately 90 °. The pivotal attachment between the tube 14 and the platform 30 via holes in the angled edge of the platform 30, which are penetrated by the tube 14.

An einer der Befestigung der Plattform 30 an dem Rohr 14 des Steigteils 10 gegenüberliegenden Seite der Plattform 30 ist der Rand eingekerbt. Diese Einkerbungen weisen Hinterschnitte auf und bilden im aufgeklappten Zustand der Leiter 1 Aufnahmen für das obere Rohr 23, welches die Holme 21 des Stützteils 20 miteinander verbindet. Die Hinterschnitte ermöglichen ein Einrasten des oberen Rohres 23 in den Einkerbungen. Dabei entsteht ein Einrastgeräusch, das laut malerisch mit einem "Klack" beschrieben werden kann.At one of the attachment of the platform 30 to the tube 14 of the riser 10 opposite side of the platform 30, the edge is notched. These notches have undercuts and form in the unfolded state of the conductor 1 receptacles for the upper tube 23, which connects the spars 21 of the support member 20 with each other. The undercuts allow engagement of the upper tube 23 in the notches. The result is a click sound that can be painterly described with a "clack".

Die Stellung der Plattform 30 im zusammengeklappten Zustand und im auseinandergeklappten Zustand der Leiter 1 sowie in Stellungen zwischen dem zusammengeklappten Zustand und dem auseinandergeklappten Zustand der Leiter 1 wird durch den Bügel 40 bestimmt, der einerseits schwenkbar an der Unterseite der Plattform 30 angebracht und andererseits schwenkbar mit dem oberen Rohr 23 des Steigteils 20 verbunden ist. Der Bügel 40 ist durch Biegen aus einem Draht von ca. 5 mm Durchmesser hergestellt. Die Befestigung an der Unterseite der Plattform 30 erfolgt über aus dem Mittelteil ausgestanzte und ausgestellte Laschen, in denen Bohrungen vorgesehen sind. Die Bohrungen nehmen erste Enden 41 von Schenkeln 43 des Bügels 40 auf. Zweite Enden 42 der Schenkel 43 sind durch einen Steg 45 miteinander verbunden.The position of the platform 30 in the folded state and in the unfolded state of the ladder 1 and in positions between the folded state and the unfolded state of the conductor 1 is determined by the bracket 40, which is pivotally mounted on the one hand on the underside of the platform 30 and on the other hand pivotally connected to the upper tube 23 of the riser 20. The bracket 40 is made by bending from a wire of about 5 mm in diameter. The attachment to the underside of the platform 30 via stamped from the middle part and flared tabs, in which holes are provided. The bores receive first ends 41 of legs 43 of the bracket 40. Second ends 42 of the legs 43 are interconnected by a web 45.

Im Bereich 44 der zweiten Enden 42 sind Schenkel 43 in etwa ringartig gebogen und um das obere Rohr 23 des Stützteils 20 gelegt. Der Steg 45 hat erste Abschnitte 47, die sich an die zweiten Enden 42 der Schenkel 43 anschließen und gegenüber den zweiten Enden 42 der Schenkel 43 um ca. 90° abgewinkelt sind. Die ersten Abschnitte 47 des Stegs 45 sind annähernd geradlinig und verlaufen annähernd parallel zur dem oberen Rohr 23 des Stützteils 20. Sie werden durch einen zweiten Abschnitt 46 verbunden, der einen Bogen bildet. Der Bogen 46 erstreckt sind in einer Projektion in Richtung des oberen Rohres 23 in etwa senkrecht zu den ersten Abschnitten 47 des Stegs 45 und zu den zweiten Enden 42 der Schenkel 43. Mit seiner Mitte liegt der Bogen 46 unter Vorspannung an dem oberen Rohr 23 des Stützteils 20 spielfrei an. Folge dessen ist, dass zwischen dem Bügel 40 und dem oberen Rohr 23 des Stützteils 20 kein Spiel vorliegt, welches zu Klappergeräuschen führen könnte.In the region 44 of the second ends 42 legs 43 are bent in an approximately annular manner and placed around the upper tube 23 of the support member 20. The web 45 has first portions 47, which adjoin the second ends 42 of the legs 43 and 43 are angled relative to the second ends 42 of the legs by approximately 90 °. The first portions 47 of the web 45 are approximately rectilinear and approximately parallel to the upper tube 23 of the support member 20. They are connected by a second portion 46 which forms an arc. The arc 46 extends in a projection in the direction of the upper tube 23 approximately perpendicular to the first portions 47 of the web 45 and the second ends 42 of the legs 43. At its center, the arc 46 is biased to the upper tube 23 of the Support member 20 without play. The consequence of this is that there is no play between the bracket 40 and the upper tube 23 of the support member 20, which could lead to rattling noises.

Claims (10)

Leiter (1), insbesondere Stufenstehleiter oder Klapptritt, mit einer Plattform (30), mit einem Steigteil (10), das zwei Holme (11) umfasst, die über Stufen (12) und/oder Sprossen miteinander verbunden sind, mit einem Stützteil (20), das zwei miteinander verbundene Holme (21) umfasst, und mit einem Bügel (40), wobei das Steigteil (10) und das Stützteil (20) schwenkbar miteinander verbunden sind, wobei die Plattform (30) schwenkbar an dem Steigteil (10) angebracht ist und wobei der Bügel (40) schwenkbar an dem Stützteil (20) angebracht ist und dazu ein Rohr (23) oder Bolzen des Stützteils (20) umgreift und wobei der Bügel (40) gelenkig mit der Plattform (30) verbunden ist,
dadurch gekennzeichnet, dass
der Bügel (40) das Rohr (23) oder den Bolzen spielfrei umgreift.Ladder (1), in particular step ladder or folding step, with a platform (30), with a riser part (10), which comprises two bars (11) which are connected to one another via steps (12) and / or rungs, with a support part (10). 20) comprising two interconnected spars (21) and a bracket (40), said riser (10) and said support member (20) being pivotally connected to each other, said platform (30) being pivotally mounted on said riser (10 ) and wherein the bracket (40) is pivotally mounted on the support member (20) and to a tube (23) or bolt of the support member (20) engages around and wherein the bracket (40) is pivotally connected to the platform (30) .
characterized in that
the bracket (40) surrounds the tube (23) or the bolt without play. Leiter (1) nach Anspruch 1, dadurch gekennzeichnet, dass der Bügel (40) aus einem Draht gebogen ist.Ladder (1) according to claim 1, characterized in that the bow (40) is bent from a wire. Leiter (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Bügel (40) zwei Schenkel (43) aufweist, die mit ersten Enden (41) mit der Plattform (30) gelenkig verbunden sind und die mit zweiten Enden (42) mit einem die Schenkel (43) verbindenden Steg (45) verbunden sind.Ladder (1) according to claim 1 or 2, characterized in that the stirrup (40) has two legs (43) articulated with first ends (41) to the platform (30) and having second ends (42). with a leg (43) connecting web (45) are connected. Leiter (1) nach Anspruch 3, dadurch gekennzeichnet, dass die Schenkel (43) in einem an die zweiten Enden (42) anschließenden Bereich (44) um das Rohr (23) oder den Bolzen des Stützteils (20) gelegt, insbesondere gewickelt sind.Ladder (1) according to claim 3, characterized in that the legs (43) in a subsequent to the second ends (42) region (44) around the tube (23) or the bolt of the support member (20) laid, in particular are wound , Leiter (1) nach Anspruch 4, dadurch gekennzeichnet, dass der Steg (45), in ersten Abschnitten (47), vorzugsweise in zwei an die Schenkel anschließenden Abschnitten, annähernd parallel zu dem Rohr (23) oder dem Bolzen verläuft.Ladder (1) according to claim 4, characterized in that the web (45) extends in first sections (47), preferably in two sections adjoining the legs, approximately parallel to the tube (23) or the bolt. Leiter (1) nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass der Steg (45) in einem zweiten vorzugsweise mittleren Abschnitt (46) einen Bogen oder eine Abwinkelung hat und der zweite Abschnitt (46) an dem Rohr (23) oder dem Bolzen des Stützteils (20) spielfrei anliegt.A ladder (1) according to claim 4 or 5, characterized in that the web (45) has a bend or a bend in a second, preferably central section (46), and the second section (46) on the pipe (23) or the bolt of the support member (20) rests without play. Leiter (1) nach Anspruch 6, dadurch gekennzeichnet, dass der zweite Abschnitt (46) des Stegs (45) unter Vorspannung an dem Rohr (23) oder Bolzen anliegt.Ladder (1) according to claim 6, characterized in that the second portion (46) of the web (45) bears under pretension on the tube (23) or bolt. Leiter (1) nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass der zweite Abschnitt (46) in einer Projektion in Richtung des Rohres (23) oder des Bolzens um ca. 85° bis 95°, vorzugsweise annähernd um 90° gegenüber den ersten Abschnitten (47) des Stegs (45) und/oder den zweiten Enden (42) der Schenkel (43) abgewinkelt ist.Ladder (1) according to claim 6 or 7, characterized in that the second portion (46) in a projection in the direction of the tube (23) or the bolt by about 85 ° to 95 °, preferably approximately 90 ° relative to the first Sections (47) of the web (45) and / or the second ends (42) of the legs (43) is angled. Leiter (1) nach einem der Ansprüche 4 bis 8, dadurch gekennzeichnet, dass die ersten Abschnitte (47) des Stegs (45) gegenüber den zweiten Enden (42) der Schenkel (43) um ca. 85° bis 95°, vorzugsweise annähernd um 90° abgewinkelt sind.Ladder (1) according to one of claims 4 to 8, characterized in that the first sections (47) of the web (45) relative to the second ends (42) of the legs (43) by approximately 85 ° to 95 °, preferably approximately angled at 90 °. Leiter (1) nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Leiter (1) von einem zusammen geklappten in einen auseinander geklappten Zustand überführbar ist, wobei im auseinander geklappten Zustand die Plattform (30) auf dem Rohr (23) oder Bolzen des Stützteils (20) aufliegt und eingerastet ist, an dem der Bügel (40) befestigt ist, und dass die Plattform (30) und das Rohr (23) oder der Bolzen so ausgestaltet sind, dass beim Überführen in den auseinander geklappten Zustand ein einmaliges Einrastgeräusch erzeugbar ist.Ladder (1) according to one of claims 1 to 9, characterized in that the ladder (1) can be moved from a folded to a folded-out state, wherein in the unfolded state, the platform (30) on the tube (23) or Bolt of the support member (20) rests and is engaged, to which the bracket (40) is attached, and that the platform (30) and the tube (23) or the bolt are designed so that when transferred to the unfolded state, a single Einrastgeräusch is generated.
EP11153583.7A 2010-02-12 2011-02-07 Ladder, in particular step ladder or folding step ladder, with a platform, an ascending part, a support part and a frame Active EP2360345B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201020002337 DE202010002337U1 (en) 2010-02-12 2010-02-12 Ladder, in particular step ladder or folding step, with a platform, a riser, a support member and a bracket

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
DE202010002337U Previously-Filed-Application 2010-02-12

Publications (3)

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EP2360345A2 true EP2360345A2 (en) 2011-08-24
EP2360345A3 EP2360345A3 (en) 2015-09-02
EP2360345B1 EP2360345B1 (en) 2018-01-10

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EP11153583.7A Active EP2360345B1 (en) 2010-02-12 2011-02-07 Ladder, in particular step ladder or folding step ladder, with a platform, an ascending part, a support part and a frame

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EP (1) EP2360345B1 (en)
CN (1) CN102162331B (en)
DE (1) DE202010002337U1 (en)

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DE202012100454U1 (en) 2012-02-10 2013-05-13 Hailo-Werk Rudolf Loh Gmbh & Co. Kg Shelf for a stepladder and stepladder with such a shelf
CN102943615B (en) * 2012-10-30 2015-06-03 国家电网公司 Horizontal-buckling support insulating ladder
DE202015100663U1 (en) 2015-02-11 2016-05-12 Hailo-Werk Rudolf Loh Gmbh & Co. Kg Device for storing feet which can be mounted on a climbing device such as a ladder, a folding step or the like
DE202015100668U1 (en) 2015-02-11 2016-05-12 Hailo-Werk Rudolf Loh Gmbh & Co. Kg Device for securing a stepladder in an erected position
CN105863483A (en) * 2016-05-06 2016-08-17 国网山东省电力公司博兴县供电公司 Safety climbing ladder special for nighttime electric power maintenance

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DE1876187U (en) * 1963-03-12 1963-07-25 Hailo Werk Rudolf Loh K G STEP LADDER.
DE8203532U1 (en) * 1982-02-10 1982-07-15 Krause-Werk Gmbh & Co Kg, 6320 Alsfeld FOLDING LADDER
FR2763358B1 (en) * 1996-09-17 1999-08-06 Tubesca SIDE POSITIONING SECURITY SYSTEM FOR STEPLADDER, STEP, AND SIMILAR LIFT PLATFORM DEVICE
US6022055A (en) * 1996-11-15 2000-02-08 Donaldson Company, Inc. Latch arrangements; air cleaners with the latch arrangement; and methods
FR2832608B1 (en) * 2001-11-23 2004-02-13 Tubesca CONNECTING BOARD SPRING PLATFORM
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JP4118218B2 (en) * 2003-10-15 2008-07-16 アルインコ株式会社 stepladder
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Also Published As

Publication number Publication date
DE202010002337U1 (en) 2010-05-06
EP2360345A3 (en) 2015-09-02
CN102162331B (en) 2015-11-18
EP2360345B1 (en) 2018-01-10
CN102162331A (en) 2011-08-24

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