EP3109395B1 - Ladder, in particular a step ladder with prevention against sinking - Google Patents

Ladder, in particular a step ladder with prevention against sinking Download PDF

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Publication number
EP3109395B1
EP3109395B1 EP16173724.2A EP16173724A EP3109395B1 EP 3109395 B1 EP3109395 B1 EP 3109395B1 EP 16173724 A EP16173724 A EP 16173724A EP 3109395 B1 EP3109395 B1 EP 3109395B1
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EP
European Patent Office
Prior art keywords
ladder
strut
installation position
rails
feet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
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EP16173724.2A
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German (de)
French (fr)
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EP3109395A1 (en
Inventor
Gerhard Müller
Rudolf Pfeifer
Gerd Weinhold
Charlos Schmidt
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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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Priority to EP16173724.2A priority Critical patent/EP3109395B1/en
Publication of EP3109395A1 publication Critical patent/EP3109395A1/en
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Publication of EP3109395B1 publication Critical patent/EP3109395B1/en
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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/38Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/39Ladders having platforms; Ladders changeable into platforms
    • E06C1/393Ladders having platforms foldable with the ladder
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/14Holders for pails or other equipment on or for ladders
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/18Devices for preventing persons from falling
    • E06C7/181Additional gripping devices, e.g. handrails
    • E06C7/182Additional gripping devices, e.g. handrails situated at the top of the ladder
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/42Ladder feet; Supports therefor

Definitions

  • the present invention relates to a ladder, in particular stepladder, with a pair of spars, wherein the spars are connected to each other via rungs or steps, wherein at least a first end of each Holmes a Porterfuß is attached, wherein the ladder is erected so that they a footprint of the ladder feet rests on the ground.
  • ladders in particular ladder ladders of this type, are known from the prior art in many variations.
  • Stepped ladders are often referred to as household ladders, from which a considerable number of persons using these ladders can be deduced. Many of these ladders are used in households, for example for attaching objects to ceilings or walls, for renovations, etc. But not only indoors are these ladders used. They are also used outdoors, especially in the garden, for example when cutting shrubs, trees or hedges or for fruit harvesting.
  • the strips can be removed from the ladder feet if the ladder is placed on a hard floor. In addition, it is convenient to remove the strips, if the ladder is not needed and placed in a suitable place to park. At the erection ladder from the document JP H11 62449 A The strips must be removed, otherwise a collapse of the ladder is not possible at the ladder from the document JP 2001 193374 A it makes sense because the ladder then has less space.
  • the strips which are substantially U-shaped in cross section, can be placed over the spars and the like with straps. be attached to the spars.
  • the attachment after the disclosure of the document JP H 11-62449 has something makeshift.
  • the strips can therefore slide to transport the ladder back and forth.
  • the invention has for its object to propose a conductor in the the strips can be transported and stored together with the other ladder, if the strips are not arranged in the first mounting position, wherein the strips are kept in a stable position.
  • the bar can be attached not only in the first mounting position on the ladder, but also in a second mounting position on the ladder can be fastened.
  • the strip is releasably disposed in the second mounting position between a bracket connecting the second ends of the spars or a tray connecting the second ends of the spars and an uppermost rung or step or a pivot axis of a platform of the ladder or a support strut for the platform.
  • the bar in this second mounting position, the bar can be accommodated, for example, when the ladder is turned off. Also for the transport of the ladder accommodation in the second mounting position is possible.
  • the bar in the first mounting position is attached to the uprights in addition to the feet to provide a sink-in protection when used outdoors, the bar can be removed in the second when the ladder is to be used indoors, transported or parked indoors Housing installed and possibly the ladder without the bar covering the ladder feet are placed on the ladder feet.
  • the strip of a conductor according to the invention may have a first leg and a second leg. In the first mounting position, the first leg on the first sides of the Holme lie. The second leg can cover the contact surfaces of the ladder feet.
  • the first leg may have a groove in which heads of two screws are slidably mounted.
  • the threads of the screws may be substantially perpendicular to the bar.
  • the spars may have holes in the region of the first ends through which the screws are passed in the first mounting position of the strip.
  • nuts in particular wing nuts or star nuts, can be screwed onto ends of the bolts protruding from the holes.
  • the strip and the spars can be releasably connected to each other by means of the screws and the nuts.
  • the strip can be fastened in a form-fitting manner in the second mounting position.
  • the bar may have at a first end and a second end connection structures that are suitable for the positive connection and set up.
  • the strip in the second mounting position can be fixed non-positively exclusively or in addition to another type of fastening.
  • the strip may be clamped between the strap connecting the second ends of the spars or the tray connecting the second ends of the spars on the one hand and the topmost rung or step or a pivot axis of the platform of the ladder or support strut for the platform on the other.
  • the conductor according to the invention may be a laying ladder or a stepladder, in particular a step ladder.
  • the ladder is a stepladder or a ladder step ladder, it can have a riser part and a support part, which are connected to one another in an articulated manner.
  • the Riser can have the spars with the attached rungs or steps, at the first ends of the bar is fixed in the first mounting position.
  • the support member may comprise further spars, which are connected to each other via cross struts and have the first ends, on which further ladder feet are mounted. At the other ladder feet a further bar can be releasably attached as Eininkschutz in a first mounting position.
  • the further bar may be equal to the releasably mounted in the first mounting position on the riser bar.
  • the two strips can be exchanged for each other.
  • the further strip can, just like the strip detachably mounted in the first mounting position on the strip in the first mounting position on the other spars and / or in a second mounting position between the connecting the second ends of the spars strap or the second ends of the spars connecting Tray on the one hand and the top rung or step or the pivot axis of the platform or the support strut of the platform on the other hand be arranged detachably.
  • the ladder according to the invention which is a step ladder, has a riser part 1 and a support part 2.
  • the riser 1 and the support member 2 are connected to each other via a hinge.
  • the riser part has two spars 11, which are connected to each other via three stages 12, a pivot axis 15 and a tray 14.
  • the distance from step 12 to step 12 or from an uppermost of the steps 12 to the pivot axis corresponds to a customary measure.
  • ladder feet 13 are provided, with which the ladder can stand on a substrate.
  • the upper ends of the spars 11 are connected to each other by means of a tray 14.
  • the support member has two spars 21, which are connected to each other via cross braces 22, 25.
  • a first of the two transverse struts 22, 25, namely the transverse strut 22, is provided in the region of a lower end of the support part 2.
  • An upper transverse strut 25 of the two transverse struts 22, 25 is arranged approximately at the height of the pivot axis 15 of the riser and is also referred to as a support strut 25.
  • the lower ends of the spars 12 are also provided with ladder feet 23.
  • At the upper ends of the spars covers 24 are provided which cover the joint between the spars 11 of the riser 1 and the spars 21 of the support member.
  • a platform 16 is pivotally mounted on the pivot axis 15.
  • This platform 16 is connected via a bracket 26 in a known manner with the support strut 25.
  • the bracket 26 provides when erecting the ladder for folding down the platform 16 on the support strut 25.
  • the bracket 26 ensures a pivoting of the platform 16 between the spars 11th
  • the ladder corresponds in this respect a conventional ladder, as it has been produced by the applicant for quite some time.
  • the particular feature of the ladder according to the invention are the strips 31, which are arranged in the first mounting position at the lower ends of the spars 11 of the riser part 1 and at the lower ends of the spars 21 of the support part.
  • the strips 31 have a uniform profile. They have two legs which are at an angle to each other, which preferably corresponds to the angle which a rear side of the ladder feet 13 and a bottom of the ladder feet 23 have to each other. They each have a groove, which are provided in the inside of the legs, which abut in the first mounting position on the inside of the spars 11, 21. In the grooves heads of screws 32 are slidably guided in the longitudinal direction of the strips 31. On each bar 31, two screws 32 are provided. The threads of the screws 32 are approximately at right angles from the bar 31.
  • the other legs cover in the first mounting position of the bar 31, the bottom of the ladder feet 13, 23 from.
  • the spars 11, 21 are provided by the spars from the front to the rear through holes. Through these holes 31, the screws 32 are passed in the first mounting position of the bar. On the out of the holes outstanding ends of the screws 32 are screwed star nuts 33. The screws 32 and the star nuts 33 attach the strips 31 to the spars 11, 21 releasably. The star nut 33 can be solved manually and without tools.
  • the strips 31 can be removed from the first mounting position by loosening the star nuts 33 and pulling the screws 32 out of the holes at the lower ends of the spars 11, 21. The strips 31 can then be brought into the second mounting position.
  • the screws 32 are slidably mounted in the grooves of the strips 31, it is possible to freely choose the distance between the screws 32.
  • the distances between the lower ends of the spars 11, 21 generally depend on the height of rise of a ladder.
  • ladders with a greater rise height usually have a greater distance between the lower ends of the spars than ladders with a smaller riser height. Due to the displaceability of the screws 32 on the strips, it is possible to use the strips 31 for ladders with different heights.
  • the strips 31 at their ends caps 34 which have connecting structures with which the strips can be positively and non-positively fixed between the tray 14 and the support strut 25 in the second mounting position.
  • the connecting structures comprise a throat, in which the pivot axis 15 can engage.
  • the strips 31 are preferably housed in a transport of the ladder or for placing the ladder in the second mounting position.

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

Description

Die vorliegende Erfindung betrifft eine Leiter, insbesondere Stehleiter, mit einem Paar von Holmen, wobei die Holme über Sprossen oder Stufen miteinander verbunden sind, wobei an wenigstens einem ersten Ende jedes Holmes ein Leiterfuß angebracht ist, wobei die Leiter so aufstellbar ist, dass sie mit einer Aufstandsfläche der Leiterfüße auf dem Boden ruht.The present invention relates to a ladder, in particular stepladder, with a pair of spars, wherein the spars are connected to each other via rungs or steps, wherein at least a first end of each Holmes a Leiterfuß is attached, wherein the ladder is erected so that they a footprint of the ladder feet rests on the ground.

Derartige Leitern, insbesondere derartige Stufenstehleitern, sind aus dem Stand der Technik in vielfältigen Variationen bekannt.Such ladders, in particular ladder ladders of this type, are known from the prior art in many variations.

Stufenstehleitern werden häufig auch als Haushaltsleitern bezeichnet, woraus sich eine beachtliche Zahl der Personen ableiten lässt, die diese Leitern benutzen. Viele dieser Leitern werden in Haushalten benutzt, zum Beispiel zum Anbringen von Gegenständen an Decken oder Wänden, für Renovierungsarbeiten usw. Aber nicht nur im Innenbereich werden diese Leitern benutzt. Sie werden auch im Außenbereich, insbesondere im Garten verwendet, zum Beispiel beim Schneiden von Sträuchern, Bäumen oder Hecken oder für die Obsternte.Stepped ladders are often referred to as household ladders, from which a considerable number of persons using these ladders can be deduced. Many of these ladders are used in households, for example for attaching objects to ceilings or walls, for renovations, etc. But not only indoors are these ladders used. They are also used outdoors, especially in the garden, for example when cutting shrubs, trees or hedges or for fruit harvesting.

Während im Innenbereich in der Regel immer eine geeignete Aufstellfläche vorhanden ist, auf welcher eine Leiter sicher aufgestellt werden kann, ist dies im Außenbereich nicht immer gegeben. Es besteht insbesondere bei bewachsenem, mehr noch aber bei unbewachsenem Gartenboden stets die Gefahr, dass die Leiterfüße wegen des auf ihnen lastenden Drucks bei der Benutzung der Leiter einsinken. Meistens sinken die Leiterfüße an den Enden der Holme nicht gleichzeitig und/oder nicht im gleichen Maßen in den Erdboden ein. Die Leiter kann dann schnell in Schräglage kommen. Letztlich besteht die Gefahr, dass der Benutzer von der Leiter fällt oder die Leiter mitsamt dem Benutzer umfällt. Verletzungen oder gar Schlimmeres können die Folge sein.While in the interior usually a suitable footprint is always available on which a ladder can be placed safely, this is not always the case outdoors. There is always the danger that the ladder feet will sink because of the pressure on them during use of the ladder, especially in the case of overgrown, but even more so when the garden floor is not covered. In most cases, the ladder feet at the ends of the spars do not sink into the ground at the same time and / or to the same extent. The ladder can then quickly tilt. Ultimately, there is a risk that the user falls from the ladder or the ladder and the user fall over. Injuries or even worse can be the result.

Um solche Folgen zu Verhindern, werden von den Benutzern der Leitern häufig Bretter oder ähnliches unter die Leiterfüße gelegt, um ein Einsinken der Leiter zu Verhindern. Außerdem gibt es auch Leitern, die von den Herstellern mit einem Einsinkschutz zum Verhindern eines Einsinkens der Leiter, insbesondere in weichem Boden im Garten hergestellt und angeboten werden. Das Prinzip dieser Leitern ist es, durch eine Vergrößerung der Leiterfüße den Druck der Leiterfüße auf den Boden zu verringern und so ein Einsinken zu verhindern.To prevent such consequences, the users of the ladders frequently place boards or the like under the ladder feet to prevent the ladder from sinking. In addition, there are also ladders that are manufactured and offered by the manufacturers with a Eininkschutz to prevent sinking of the ladder, especially in soft ground in the garden. The principle of these ladders is to reduce the pressure of the ladder feet on the ground by increasing the size of the ladder feet and thus prevent subsidence.

Aus der DE 600 01 496 T2 ist eine solche Leiter mit eine Einsinkschutz bekannt. Diese Leiter und viele andere Leitern mit einem Einsinkschutz können im Innenbereich nur mit Einschränkungen benutzt werden. Aufgrund der großen Leiterfüße können insbesondere in Bereichen mit einer nur geringen freien Bodenfläche zum Aufstellen der Leitern hinderlich sein. Außerdem nehmen die Leitern aufgrund der großen Leiterfüße eine große Abstellfläche in Anspruch, die benötigt wird, wenn die Leiter nicht genutzt und abgestellt wird.From the DE 600 01 496 T2 Such a ladder is known with a sink-in protection. These ladders and many other ladders with a sink-in protection can only be used indoors with restrictions. Due to the large ladder feet can be a hindrance, especially in areas with only a small free floor surface for erecting the ladders. In addition, because of the large ladder feet, the ladders take up a large footprint that is needed when the ladder is not being used and parked.

Die in dem Dokument DE 600 01 496 T2 bekannte Leiter weist zwar einen durch Ausziehen vergrößerbaren Leiterfuß auf, der an den ersten Enden beider Holme befestigt ist. Aber selbst im eingeschobenen Zustand hat dieser Fuß einen im Vergleich zu einer herkömmlichen Stufenstehleiter für den Innenbereich erheblichen Flächenbedarf zum Aufstellen der Leiter.The in the document DE 600 01 496 T2 Although known conductor has an extendable by pulling ladder foot, which is attached to the first ends of both spars. But even in the retracted state, this foot has a compared to a conventional step ladder for indoor considerable space requirements for setting up the ladder.

Abhilfe kann ein Einsinkschutz zum Verhindern eines Einsinkens der Leiter, insbesondere in weichem Boden im Garten, schaffen, wie er bei den aus den Dokumenten JP 2001 193374 A und JP H11 62449 A bekannten Leitern vorgesehen ist. Die aus diesen Dokumenten bekannten Leitern weisen als Einsinkschutz eine Leiste auf, die in einer ersten Montageposition die Aufstandsflächen der Leiterfüße abdeckt und lösbar an den Holmen befestigt ist.A remedy to prevent sinking of the ladder, especially in soft ground in the garden, create, as he in the from the documents JP 2001 193374 A and JP H11 62449 A is provided known ladders. The from these documents Known ladders have as Eininkschutz a bar, which covers the contact surfaces of the ladder feet in a first mounting position and is releasably secured to the spars.

Die Leisten können von den Leiterfüßen entfernt werden, falls die Leiter auf einem harten Boden aufgestellt wird. Außerdem ist es günstig die Leisten zu entfernen, wenn die Leiter nicht gebraucht wird und an einem geeigneten Abstellort abgestellt wird. Bei der Aufstellleiter aus dem Dokument JP H11 62449 A müssen die Leisten entfernt werden, da ansonsten ein Zusammenklappen der Leiter nicht möglich ist, bei der Leiter aus dem Dokument JP 2001 193374 A ist es sinnvoll, da die Leiter dann weniger Platzbedarf hat.The strips can be removed from the ladder feet if the ladder is placed on a hard floor. In addition, it is convenient to remove the strips, if the ladder is not needed and placed in a suitable place to park. At the erection ladder from the document JP H11 62449 A The strips must be removed, otherwise a collapse of the ladder is not possible at the ladder from the document JP 2001 193374 A it makes sense because the ladder then has less space.

Einen Nachteil haben diese Leitern mit den lösbaren Leisten als Einsinkschutz aber: Sind die Leisten von den Holmen der Leiter gelöst, müssen diese Leisten zusätzlich zur übrigen Leiter transportiert oder gelagert werden.One disadvantage of these ladders with the detachable strips as Eininkschutz but: If the strips are detached from the bars of the ladder, these strips must be transported or stored in addition to the other ladder.

Abhilfe dafür schafft eine Leiter gemäß dem Oberbegriff des Anspruchs 1, wie sie in dem Dokument JP H 11-62449 offenbart ist. Bei dieser Leiter können die Leisten, die im Querschnitt im Wesentlichen U-förmig sind, über die Holme gelegt werden und mit Riemen o.ä. an den Holmen befestigt werden. Die Befestigung nach der Offenbarung des Dokumentes JP H 11-62449 hat wirkt etwas behelfsmäßig. So besteht kein Formschluss zwischen den Holmen und den Leisten und auch deshalb halten die Riemen die Leisten nicht in einer stabilen Position. Die Leisten können daher bem Transport der Leiter hin und her rutschen.A remedy for this creates a ladder according to the preamble of claim 1, as in the document JP H 11-62449 is disclosed. In this ladder, the strips, which are substantially U-shaped in cross section, can be placed over the spars and the like with straps. be attached to the spars. The attachment after the disclosure of the document JP H 11-62449 has something makeshift. Thus, there is no positive connection between the bars and the strips and therefore the belts do not hold the bars in a stable position. The strips can therefore slide to transport the ladder back and forth.

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

Vor dem Hintergrund der Nachteile des Standes der Technik, lag der Erfindung die Aufgabe zugrunde, eine Leiter vorzuschlagen, bei der die Leisten zusammen mit der übrigen Leiter transportiert und gelagert werden können, wenn die Leisten nicht in der ersten Montageposition angeordnet sind, wobei die Leisten in einer stabilen Position gehalten werden.Against the background of the disadvantages of the prior art, the invention has for its object to propose a conductor in the the strips can be transported and stored together with the other ladder, if the strips are not arranged in the first mounting position, wherein the strips are kept in a stable position.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass die Leiste nicht nur in der ersten Montageposition an der Leiter befestigt werden kann, sondern auch in einer zweiten Montageposition an der Leiter befestigbar ist. Die Leiste ist in der zweiten Montageposition zwischen einem die zweiten Enden der Holme verbindenden Bügel oder einer die zweiten Enden der Holme verbindenden Ablageschale einerseits und einer obersten Sprosse oder Stufe oder einer Schwenkachse einer Plattform der Leiter oder einer Stützstrebe für die Plattform andererseits lösbar angeordnet.This object is achieved in that the bar can be attached not only in the first mounting position on the ladder, but also in a second mounting position on the ladder can be fastened. The strip is releasably disposed in the second mounting position between a bracket connecting the second ends of the spars or a tray connecting the second ends of the spars and an uppermost rung or step or a pivot axis of a platform of the ladder or a support strut for the platform.

In dieser zweiten Montageposition kann die Leiste zum Beispiel untergebracht werden, wenn die Leiter abgestellt wird. Auch für den Transport der Leiter ist eine Unterbringung in der zweiten Montageposition möglich.In this second mounting position, the bar can be accommodated, for example, when the ladder is turned off. Also for the transport of the ladder accommodation in the second mounting position is possible.

Während die Leiste in der ersten Montageposition zusätzlich zu den Füßen an den Holmen befestigt ist, um bei einer Verwendung im Außenbereich einen Einsinkschutz zu bieten, kann, wenn die Leiter im Innenbereich genutzt, transportiert oder abgestellt werden soll, die Leiste abgenommen, in der zweiten Montageposition untergebracht und ggf. die Leiter ohne dass die Leiste die Leiterfüße abdeckt auf die Leiterfüße gestellt werden.While the bar in the first mounting position is attached to the uprights in addition to the feet to provide a sink-in protection when used outdoors, the bar can be removed in the second when the ladder is to be used indoors, transported or parked indoors Housing installed and possibly the ladder without the bar covering the ladder feet are placed on the ladder feet.

Die Leiste einer erfindungsgemäßen Leiter kann einen ersten Schenkel und einen zweiten Schenkel aufweisen. In der ersten Montageposition kann der erste Schenkel an den ersten Seiten der Holme anliegen. Der zweite Schenkel kann die Aufstandflächen der Leiterfüße abdecken.The strip of a conductor according to the invention may have a first leg and a second leg. In the first mounting position, the first leg on the first sides of the Holme lie. The second leg can cover the contact surfaces of the ladder feet.

Der erste Schenkel kann eine Nut aufweisen, in welcher Köpfe von zwei Schrauben verschiebbar befestigt sind. Die Gewinde der Schrauben können im Wesentlichen senkrecht zu der Leiste stehen.The first leg may have a groove in which heads of two screws are slidably mounted. The threads of the screws may be substantially perpendicular to the bar.

Die Holme können im Bereich der ersten Enden Löcher aufweisen, durch welche in der ersten Montageposition der Leiste die Schrauben hindurchgeführt sind. In der ersten Montageposition der Leiste können auf aus den Löchern herausragenden Enden der Schrauben Muttern, insbesondere Flügelmuttern oder Sternmuttern, aufgeschraubt sein. Die Leiste und die Holme können mittels der Schrauben und der Muttern lösbar miteinander verbunden sein.The spars may have holes in the region of the first ends through which the screws are passed in the first mounting position of the strip. In the first mounting position of the strip, nuts, in particular wing nuts or star nuts, can be screwed onto ends of the bolts protruding from the holes. The strip and the spars can be releasably connected to each other by means of the screws and the nuts.

Die Leiste kann in der zweiten Montageposition formschlüssig befestigt sein. Die Leiste kann an einem ersten Ende und einem zweiten Ende Verbindungsstrukturen aufweisen, die für die formschlüssige Verbindung geeignet und eingerichtet sind.The strip can be fastened in a form-fitting manner in the second mounting position. The bar may have at a first end and a second end connection structures that are suitable for the positive connection and set up.

Die Leiste in der zweiten Montageposition kann ausschließlich oder zusätzlich zu einer anderen Befestigungsart kraftschlüssig befestigt sein. So kann die Leiste zum Beispiel zwischen dem die zweiten Enden der Holme verbindenden Bügel oder der die zweiten Enden der Holme verbindenden Ablageschale einerseits und der obersten Sprosse oder Stufe oder einer Schwenkachse der Plattform der Leiter oder der Stützstrebe für die Plattform andererseits eingeklemmt sein.The strip in the second mounting position can be fixed non-positively exclusively or in addition to another type of fastening. Thus, for example, the strip may be clamped between the strap connecting the second ends of the spars or the tray connecting the second ends of the spars on the one hand and the topmost rung or step or a pivot axis of the platform of the ladder or support strut for the platform on the other.

Die erfindungsgemäße Leiter kann eine Anlegeleiter oder eine Stehleiter, insbesondere eine Stufenstehleiter sein. Ist die Leiter eine Stehleiter oder eine Stufenstehleiter, kann sie ein Steigteil und ein Stützteil aufweisen, die gelenkig miteinander verbunden sind. Das Steigteil kann dabei die Holme mit den daran befestigten Sprossen oder Stufen aufweisen, an deren ersten Enden die Leiste in der ersten Montageposition befestigt ist. Daneben kann das Stützteil weitere Holme aufweisen, die über Querstreben miteinander verbunden sind und die erste Enden haben, an denen weitere Leiterfüße angebracht sind. An den weiteren Leiterfüßen kann eine weitere Leiste als Einsinkschutz in einer ersten Montageposition lösbar angebracht sein.The conductor according to the invention may be a laying ladder or a stepladder, in particular a step ladder. If the ladder is a stepladder or a ladder step ladder, it can have a riser part and a support part, which are connected to one another in an articulated manner. The Riser can have the spars with the attached rungs or steps, at the first ends of the bar is fixed in the first mounting position. In addition, the support member may comprise further spars, which are connected to each other via cross struts and have the first ends, on which further ladder feet are mounted. At the other ladder feet a further bar can be releasably attached as Eininkschutz in a first mounting position.

Die weitere Leiste kann gleich der in der ersten Montageposition an dem Steigteil lösbar angebrachten Leiste sein. Die beiden Leisten können gegeneinander ausgetauscht werden. Die weitere Leiste kann genau so wie die in der ersten Montageposition an dem Steigteil lösbar angebrachten Leiste in der ersten Montageposition an den weiteren Holmen und/oder in einer zweiten Montageposition zwischen dem die zweiten Enden der Holme verbindenden Bügel oder der die zweiten Enden der Holme verbindenden Ablageschale einerseits und der obersten Sprosse oder Stufe oder der Schwenkachse der Plattform oder der Stützstrebe der Plattform andererseits lösbar angeordnet sein.The further bar may be equal to the releasably mounted in the first mounting position on the riser bar. The two strips can be exchanged for each other. The further strip can, just like the strip detachably mounted in the first mounting position on the strip in the first mounting position on the other spars and / or in a second mounting position between the connecting the second ends of the spars strap or the second ends of the spars connecting Tray on the one hand and the top rung or step or the pivot axis of the platform or the support strut of the platform on the other hand be arranged detachably.

Weitere Merkmale der Erfindung werden anhand der nachfolgenden Beschreibung eines Ausführungsbeispiels unter Bezugnahme auf die beiliegenden Abbildungen dargestellt. Darin zeigen

Fig. 1
eine Ansicht einer erfindungsgemäßen Leiter im zusammengeklappten Zustand und einer Leiste in einer zweiten Montageposition von vorne,
Fig. 2
eine Ansicht der Leiter gemäß der Fig. 1 im zusammengeklappten Zustand und der Leiste in einer zweiten Montageposition von oben,
Fig. 3
eine Ansicht der Leiter gemäß der Fig. 1 und 2 im zusammengeklappten Zustand und der Leiste in einer zweiten Montageposition von unten,
Fig. 4
eine Ansicht der Leiter gemäß der Fig. 1 bis 3 im zusammengeklappten Zustand und der Leiste in einer zweiten Montageposition von der Seite,
Fig. 5
eine Ansicht der Leiter gemäß der Fig. 1 bis 4 im zusammengeklappten Zustand und der Leiste in einer zweiten Montageposition von hinten,
Fig. 6
eine perspektivische Ansicht der Leiter gemäß der Fig. 1 bis 5 im zusammengeklappten Zustand und der Leiste in einer zweiten Montageposition von vorne,
Fig. 7
eine perspektivische Ansicht der Leiter gemäß der Fig. 1 bis 5 im zusammengeklappten Zustand und der Leiste in einer zweiten Montageposition von hinten,
Fig. 8
eine Ansicht einer erfindungsgemäßen Leiter im zusammengeklappten Zustand und einer Leiste in einer ersten Montageposition von vorne,
Fig. 9
eine Ansicht der Leiter gemäß der Fig. 1 bis 8 im zusammengeklappten Zustand und der Leiste in einer ersten Montageposition von oben,
Fig. 10
eine Ansicht der Leiter gemäß der Fig. 1 bis 9 im zusammengeklappten Zustand und der Leiste in einer ersten Montageposition von unten,
Fig. 11
eine Ansicht der Leiter gemäß der Fig. 1 bis 10 im zusammengeklappten Zustand und der Leiste in einer ersten Montageposition von der Seite,
Fig. 12
eine Ansicht der Leiter gemäß der Fig. 1 bis 11 im zusammengeklappten Zustand und der Leiste in einer ersten Montageposition von hinten,
Fig. 13
eine perspektivische Ansicht der Leiter gemäß der Fig. 1 bis 12 im zusammengeklappten Zustand und der Leiste in einer ersten Montageposition von vorne,
Fig. 14
eine perspektivische Ansicht der Leiter gemäß der Fig. 1 bis 13 im zusammengeklappten Zustand und der Leiste in einer ersten Montageposition von hinten,
Fig. 15
eine Seitenansicht der Leiter gemäß der Fig. 1 bis 14 im aufgestellten Zustand mit den Leisten in der ersten Montageposition und
Fig. 16
eine perspektivische Ansicht einer Leiter gemäß der Fig. 1 bis 14 im aufgestellten Zustand mit den Leisten in der ersten Montageposition.
Further features of the invention will become apparent from the following description of an embodiment with reference to the accompanying drawings. Show in it
Fig. 1
a view of a ladder according to the invention in the folded state and a bar in a second mounting position from the front,
Fig. 2
a view of the ladder according to the Fig. 1 in the folded state and the bar in a second mounting position from above,
Fig. 3
a view of the ladder according to the Fig. 1 and 2 in the folded state and the bar in a second mounting position from below,
Fig. 4
a view of the ladder according to the Fig. 1 to 3 in the folded state and the bar in a second mounting position from the side,
Fig. 5
a view of the ladder according to the Fig. 1 to 4 in the folded state and the bar in a second mounting position from the rear,
Fig. 6
a perspective view of the ladder according to the Fig. 1 to 5 in the folded state and the bar in a second mounting position from the front,
Fig. 7
a perspective view of the ladder according to the Fig. 1 to 5 in the folded state and the bar in a second mounting position from the rear,
Fig. 8
a view of a ladder according to the invention in the folded state and a bar in a first mounting position from the front,
Fig. 9
a view of the ladder according to the Fig. 1 to 8 in the folded state and the bar in a first mounting position from above,
Fig. 10
a view of the ladder according to the Fig. 1 to 9 in the folded state and the bar in a first mounting position from below,
Fig. 11
a view of the ladder according to the Fig. 1 to 10 in the folded state and the bar in a first mounting position from the side,
Fig. 12
a view of the ladder according to the Fig. 1 to 11 in the folded state and the bar in a first mounting position from behind,
Fig. 13
a perspective view of the ladder according to the Fig. 1 to 12 in the folded state and the bar in a first mounting position from the front,
Fig. 14
a perspective view of the ladder according to the Fig. 1 to 13 in the folded state and the bar in a first mounting position from behind,
Fig. 15
a side view of the ladder according to the Fig. 1 to 14 in the erected state with the strips in the first mounting position and
Fig. 16
a perspective view of a ladder according to the Fig. 1 to 14 in the erected state with the strips in the first mounting position.

Die erfindungsgemäße Leiter, es handelt sich um eine Stufenstehleiter, weist ein Steigteil 1 und ein Stützteil 2 auf. Das Steigteil 1 und das Stützteil 2 sind über ein Gelenk miteinander verbunden.The ladder according to the invention, which is a step ladder, has a riser part 1 and a support part 2. The riser 1 and the support member 2 are connected to each other via a hinge.

Das Steigteil hat zwei Holme 11, die über drei Stufen 12, eine Schwenkachse 15 und eine Ablageschale 14 miteinander verbunden sind. Der Abstand von Stufe 12 zu Stufe 12 bzw. von einer obersten der Stufen 12 zu der Schwenkachse entspricht einem üblichen Maß. Am unteren Ende der Leiter Holme 11 sind Leiterfüße 13 vorgesehenen, mit welchen die Leiter auf einem Untergrund stehen kann. Die oberen Enden der Holme 11 sind mittels einer Ablageschale 14 miteinander verbunden.The riser part has two spars 11, which are connected to each other via three stages 12, a pivot axis 15 and a tray 14. The distance from step 12 to step 12 or from an uppermost of the steps 12 to the pivot axis corresponds to a customary measure. At the lower end of the ladder uprights 11 ladder feet 13 are provided, with which the ladder can stand on a substrate. The upper ends of the spars 11 are connected to each other by means of a tray 14.

Auch das Stützteil hat zwei Holme 21, die über Querstreben 22, 25 miteinander verbunden sind. Eine erste der beiden Querstreben 22, 25, nämlich die Querstrebe 22, ist im Bereich eines unteren Endes des Stützteils 2 vorgesehenen. Eine obere Querstrebe 25 der beiden Querstreben 22, 25 ist in etwa auf Höhe der Schwenkachse 15 des Steigteils angeordnet und wird auch als Stützstrebe 25 bezeichnet. Die unteren Enden der Holme 12 sind ebenfalls mit Leiterfüßen 23 versehen. An den oberen Enden der Holme sind Abdeckungen 24 vorgesehen, die das Gelenk zwischen den Holmen 11 des Steigteils 1 und den Holmen 21 des Stützteils abdecken.Also, the support member has two spars 21, which are connected to each other via cross braces 22, 25. A first of the two transverse struts 22, 25, namely the transverse strut 22, is provided in the region of a lower end of the support part 2. An upper transverse strut 25 of the two transverse struts 22, 25 is arranged approximately at the height of the pivot axis 15 of the riser and is also referred to as a support strut 25. The lower ends of the spars 12 are also provided with ladder feet 23. At the upper ends of the spars covers 24 are provided which cover the joint between the spars 11 of the riser 1 and the spars 21 of the support member.

Auf der Schwenkachse 15 ist eine Plattform 16 schwenkbar angeordnet. Diese Plattform 16 ist über einen Bügel 26 auf bekannte Art und Weise mit der Stützstrebe 25 verbunden. Der Bügel 26 sorgt beim Aufstellen der Leiter für ein Herunterklappen der Plattform 16 auf die Stützstrebe 25. Beim Zusammenklappen der Leiter sorgt der Bügel 26 für ein Hochschwenken der Plattform 16 zwischen die Holme 11.On the pivot axis 15, a platform 16 is pivotally mounted. This platform 16 is connected via a bracket 26 in a known manner with the support strut 25. The bracket 26 provides when erecting the ladder for folding down the platform 16 on the support strut 25. When folding the ladder, the bracket 26 ensures a pivoting of the platform 16 between the spars 11th

Die Leiter entspricht insoweit einer herkömmlichen Leiter, wie sie von der Anmelderin seit geraumer Zeit produziert wird.The ladder corresponds in this respect a conventional ladder, as it has been produced by the applicant for quite some time.

Das besondere an der erfindungsgemäßen Leiter sind die Leisten 31, die in der ersten Montageposition an den unteren Enden der Holme 11 des Steigteils 1 und an den unteren Enden der Holme 21 des Stützteils angeordnet sind.The particular feature of the ladder according to the invention are the strips 31, which are arranged in the first mounting position at the lower ends of the spars 11 of the riser part 1 and at the lower ends of the spars 21 of the support part.

Die Leisten 31 weisen ein gleichförmiges Profil auf. Sie weisen zwei Schenkel auf, die in einem Winkel zueinander stehen, der vorzugsweise dem Winkel entspricht, welchen eine hintere Seite der Leiterfüße 13 und eine Unterseite der Leiterfüße 23 zueinander haben. Sie haben je eine Nut, die in der Innenseite der Schenkel vorgesehen sind, die in der ersten Montageposition an der Innenseite der Holme 11, 21 anliegen. In den Nuten sind Köpfe von Schrauben 32 in der Längsrichtung der Leisten 31 verschiebbar geführt. An jeder Leiste 31 sind zwei Schrauben 32 vorgesehen. Die Gewinde der Schrauben 32 stehen ungefähr im rechten Winkel von der Leiste 31 ab.The strips 31 have a uniform profile. They have two legs which are at an angle to each other, which preferably corresponds to the angle which a rear side of the ladder feet 13 and a bottom of the ladder feet 23 have to each other. They each have a groove, which are provided in the inside of the legs, which abut in the first mounting position on the inside of the spars 11, 21. In the grooves heads of screws 32 are slidably guided in the longitudinal direction of the strips 31. On each bar 31, two screws 32 are provided. The threads of the screws 32 are approximately at right angles from the bar 31.

Die anderen Schenkel decken in der ersten Montageposition der Leiste 31 die Unterseite der Leiterfüße 13, 23 ab.The other legs cover in the first mounting position of the bar 31, the bottom of the ladder feet 13, 23 from.

An den unteren Enden der Holme 11, 21 sind durch die Holme von vorne nach hinten durchgehende Löcher vorgesehen. Durch diese Löcher sind in der ersten Montageposition der Leiste 31 die Schrauben 32 hindurchgeführt. Auf den aus den Löchern herausragenden Enden der Schrauben 32 sind Sternmuttern 33 aufgeschraubt. Die Schauben 32 und die Sternmuttern 33 befestigen die Leisten 31 an den Holmen 11, 21 lösbar. Die Sternmutter 33 kann manuell und ohne Werkzeug gelöst werden.At the lower ends of the spars 11, 21 are provided by the spars from the front to the rear through holes. Through these holes 31, the screws 32 are passed in the first mounting position of the bar. On the out of the holes outstanding ends of the screws 32 are screwed star nuts 33. The screws 32 and the star nuts 33 attach the strips 31 to the spars 11, 21 releasably. The star nut 33 can be solved manually and without tools.

Die Leisten 31 können durch Lösen der Sternmuttern 33 und Herausziehen der Schrauben 32 aus den Löchern an den unteren Enden der Holme 11, 21 aus der ersten Montageposition entfernt werden. Die Leisten 31 können dann in die zweite Montageposition gebracht werden.The strips 31 can be removed from the first mounting position by loosening the star nuts 33 and pulling the screws 32 out of the holes at the lower ends of the spars 11, 21. The strips 31 can then be brought into the second mounting position.

Dadurch dass die Schrauben 32 in den Nuten der Leisten 31 verschiebbar angebracht sind, ist es möglich, den Abstand der Schrauben 32 frei zu wählen. Damit ist es möglich, die Leisten für Leitern mit verschiedenen Abständen an den unteren Enden der Holme 11, 21 vorzusehen. Die Abstände der unteren Enden der Holme 11, 21 hängen in der Regel von der Steighöhe einer Leiter ab. So haben Leitern mit einer größeren Steighöhe in der Regel einen größeren Abstand der unteren Enden der Holme als Leitern mit einer kleineren Steighöhe. Durch die Verschiebbarkeit der Schrauben 32 an den Leisten ist es möglich, die Leisten 31 für Leitern mit unterschiedliche Steighöhen zu benutzen.The fact that the screws 32 are slidably mounted in the grooves of the strips 31, it is possible to freely choose the distance between the screws 32. This makes it possible to provide the strips for conductors with different distances at the lower ends of the spars 11, 21. The distances between the lower ends of the spars 11, 21 generally depend on the height of rise of a ladder. Thus, ladders with a greater rise height usually have a greater distance between the lower ends of the spars than ladders with a smaller riser height. Due to the displaceability of the screws 32 on the strips, it is possible to use the strips 31 for ladders with different heights.

Unter anderem für die Befestigung in der zweiten Montageposition weisen die Leisten 31 an ihren Enden Kappen 34 auf, welche Verbindungsstrukturen haben, mit welchen die Leisten formschlüssig und kraftschlüssig zwischen der Ablageschale 14 und der Stützstrebe 25 in der zweiten Montageposition befestigt werden können. Die Verbindungsstrukturen umfassen dabei eine Kehle, in welche die Schwenkachse 15 eingreifen kann.Among other things, for fastening in the second mounting position, the strips 31 at their ends caps 34 which have connecting structures with which the strips can be positively and non-positively fixed between the tray 14 and the support strut 25 in the second mounting position. The connecting structures comprise a throat, in which the pivot axis 15 can engage.

Die Leisten 31 werden vorzugsweise bei einem Transport der Leiter oder zum Abstellen der Leiter in der zweiten Montageposition untergebracht.The strips 31 are preferably housed in a transport of the ladder or for placing the ladder in the second mounting position.

Claims (11)

  1. Ladder, in particular a free-standing ladder comprising a pair of rails (11),
    wherein the rails (11) are connected to one another by rungs or steps (12), wherein a ladder foot (13) is located on at least a first end of each rail (11), wherein the ladder may be erected in such a way that it bears on the ground with a contact area of the ladder feet (13), wherein the ladder comprises a protection against sinking to prevent the ladder from sinking, in particular into soft ground in the garden, and wherein the ladder comprises a strut (31) as a protection against sinking which, in a possible first installation position, covers the contact areas of the ladder feet (13) and is detachably mounted on the rails (11), wherein the strut can be mounted on the ladder in a possible second installation position beside the possible first installation position,
    characterised in that
    the strut (31), in the possible second installation position, is detachably mounted between a bracket connecting the second ends of the rails (11) or a utility tray (14) connecting the second ends of the rails (11) on the one hand, and a topmost rung or step or a pivot axle of a platform (16) of the ladder or a support brace (25) for the platform (16) on the other hand.
  2. Ladder according to claim 1, characterised in that the strut (31) comprises a first leg and a second leg, wherein in the possible first installation position the first leg lies against first sides of the rails (11) and the second leg covers the contact areas of the ladder feet (13).
  3. Ladder according to claim 2, characterised in that the first leg comprises a groove in which the heads of two screws are movably located.
  4. Ladder according to claim 3, characterised in that the rails comprise holes in the region of the first ends, through which the screws pass in the possible first installation position of the strut.
  5. Ladder according to claim 4, characterised in that in the possible first installation position of the strut (31) nuts (33), in particular wing nuts or star-grip nuts, are screwed onto the ends of the screws (32) protruding from the holes, and that the strut (31) and the rails are detachably connected to one another by means of the screws (32) and the nuts (33).
  6. Ladder according to any of claims 1 to 5, characterised in that the strut (31) in the possible second installation position is mounted in a form-fitting manner.
  7. Ladder according to any of claims 1 to 6, characterised in that the strut (31) comprises, at a first end and a second end, connecting structures which are suited to and equipped for the form-fitting connection.
  8. Ladder according to any of claims 1 to 6, characterised in that the strut (31) in the possible installation position is, if appropriate, additionally mounted in a force-fitting manner.
  9. Ladder according to any of claims 1 to 8, characterised in that the ladder is a free-standing ladder and comprises an ascending part (1) and a supporting part (2) which are connected to one another by articulated joints, wherein the ascending part (1) comprises the rails (11) with the rungs or steps (12) attached thereto, with the strut (31) being mounted to the first ends of the rails in the possible first installation position, and the supporting part (2) comprises additional rails (21) which are connected to one another by cross braces (15) and which comprise first ends to which additional ladder feet (13) are attached and on which an additional strut (31) is detachably mounted in a possible first installation position as a protection against sinking.
  10. Ladder according to claim 9, characterised in that the additional strut (31) is identical to the strut (31) detachably mounted on the ascending part (1) in the possible first installation position.
  11. Ladder according to claim 9 or 10, characterised in that the additional strut (31) is detachably mounted in the possible first installation position on the additional rails (21) and/or in a possible second installation position and or between the bracket connecting the second ends of the rails (11) or the utility tray (14) connecting the second ends of the rails (11) on the one hand, and the topmost rung or step or the pivot axle of the platform or the support brace (25) of the platform on the other hand, in the exact same manner as the strut (31) which is detachably mounted on the ascending part (1) in the possible first installation position.
EP16173724.2A 2013-04-11 2013-04-11 Ladder, in particular a step ladder with prevention against sinking Not-in-force EP3109395B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16173724.2A EP3109395B1 (en) 2013-04-11 2013-04-11 Ladder, in particular a step ladder with prevention against sinking

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16173724.2A EP3109395B1 (en) 2013-04-11 2013-04-11 Ladder, in particular a step ladder with prevention against sinking
EP13163404.0A EP2789787B1 (en) 2013-04-11 2013-04-11 Ladder, in particular a step ladder with prevention against sinking

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP13163404.0A Division EP2789787B1 (en) 2013-04-11 2013-04-11 Ladder, in particular a step ladder with prevention against sinking
EP13163404.0A Division-Into EP2789787B1 (en) 2013-04-11 2013-04-11 Ladder, in particular a step ladder with prevention against sinking

Publications (2)

Publication Number Publication Date
EP3109395A1 EP3109395A1 (en) 2016-12-28
EP3109395B1 true EP3109395B1 (en) 2018-06-13

Family

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Application Number Title Priority Date Filing Date
EP13163404.0A Not-in-force EP2789787B1 (en) 2013-04-11 2013-04-11 Ladder, in particular a step ladder with prevention against sinking
EP16173724.2A Not-in-force EP3109395B1 (en) 2013-04-11 2013-04-11 Ladder, in particular a step ladder with prevention against sinking

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP13163404.0A Not-in-force EP2789787B1 (en) 2013-04-11 2013-04-11 Ladder, in particular a step ladder with prevention against sinking

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EP (2) EP2789787B1 (en)
DK (1) DK2789787T3 (en)
ES (1) ES2610570T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105401872A (en) * 2015-11-26 2016-03-16 成都佳美嘉科技有限公司 Logistics item-picking shelf
EP3524768B1 (en) * 2018-02-07 2021-04-28 Hailo-Werk Rudolf Loh GmbH & Co. KG Step ladder, in particular step ladder with treads
AT521185B1 (en) * 2018-05-03 2020-11-15 Gerhard Hoellinger slide

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5713797U (en) * 1980-06-30 1982-01-23
JPH1162449A (en) 1997-08-25 1999-03-05 Sekisui House Ltd Floor protector for trestle
GB2350643A (en) 1999-04-21 2000-12-06 Barrie Weatherall Stabiliser for ladders
JP2001193374A (en) 2000-01-06 2001-07-17 Prop:Kk Preventive tool for stepladder from overturning
JP3852481B1 (en) * 2006-01-23 2006-11-29 株式会社ダイフク Ground stabilization devices such as stepladders
GB2435489A (en) * 2006-02-24 2007-08-29 Brian Ellison Freeland Stabiliser for base of ladder
FR2948143B1 (en) * 2009-07-17 2016-09-16 Escalux STABILIZER EMBASE FOR SCALE

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2789787A1 (en) 2014-10-15
EP3109395A1 (en) 2016-12-28
ES2610570T3 (en) 2017-04-28
EP2789787B1 (en) 2016-10-19
DK2789787T3 (en) 2017-02-06

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