EP2218869B1 - Step ladder or rung ladder - Google Patents
Step ladder or rung ladder Download PDFInfo
- Publication number
- EP2218869B1 EP2218869B1 EP10153532.6A EP10153532A EP2218869B1 EP 2218869 B1 EP2218869 B1 EP 2218869B1 EP 10153532 A EP10153532 A EP 10153532A EP 2218869 B1 EP2218869 B1 EP 2218869B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ladder
- elements
- interchangeable
- feet
- hinge
- 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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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
-
- 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
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/20—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles
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- 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
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
- E06C7/46—Non-skid equipment
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
Definitions
- the present invention relates to a riser, z. B. a step ladder, a rung ladder or a Klapptritt with at least two spars, at least two rungs or steps, which are mounted between the spars, and at least two feet, which are each attached to a lower in the use position of the Steigraft one of the spars and depending have a first footprint over which rests the riser in the position of use on a floor.
- Such climbing devices e.g. Step ladders to set up, especially so-called household conductors are known from daily use many people.
- the spars of such risers are usually made of aluminum hollow sections.
- the feet are inserted in the bottom ends of the hollow sections and protect the floor from damage caused by the sharp-edged aluminum.
- the feet provide a level footprint of the ladder.
- the feet are usually made of a plastic material.
- the first footprint is usually profiled and relatively hard. When setting up the ladders on sensitive, especially soft substrates, this, the first footprint of the feet of the ladder can lead to damage to the substrate. For example, it may be possible for a profiled foot of a ladder to penetrate into a softer wooden floor, e.g. press in a parquet or board floor.
- the foot of such a climbing device is particularly advantageous in outdoor applications due to its profiled footprint.
- Every foot of the document US 2 163 970 A has a removable element, which can be brought from a rest position to a position of use in front of the first footprint to be arranged in the position of use of the climbing device between the first footprint and the ground and to form a second footprint of the Steigêts in the position of use, the Alternative to the first footprint is.
- a first footprint can be used, possibly having the usual characteristics of the known feet of ladders.
- a second footprint can be used, which is particularly suitable for finding a firm hold in soft ground. The second footprint is provided to the change element of the foot.
- the climbing device has a plurality of first and second locking elements, with which each of the interchangeable elements in the rest position and / or in the position of use can be determined.
- a first locking element for fixing a replacement element in the non-use position is attached to the spar. This first locking element cooperates with a second locking element for locking the interchangeable element which is provided on the interchangeable element.
- the attachment of the first locking elements on the bars is complex because it requires a processing of the spars for fixing the first locking element.
- a riser with the features of the preamble of claim 1 is known.
- a disadvantage of the climbing device is that the interchangeable element can only be determined in the position of use. If the change element is not needed, it has no defined rest position.
- the locking element, with which the removable element is detected in the position of use attached to the ladder stile. This makes it necessary that the locking element is attached in addition to the foot on the uprights of the riser in the manufacture of the riser.
- the invention is based on the object to propose a riser device in which the locking elements are easy to attach and the change element has a defined position both in the position of use and when not in use.
- each foot has a first part fixedly connected to the associated spar.
- Each foot has a hinge or other connecting element, via which the changing element of the foot is pivotally connected about a pivot axis with the first part of the foot.
- the climbing device has locking elements, can be found with interchangeable elements in the rest position and in the position of use. All locking elements are mounted in the rest position and in the position of use of the first parts or the interchangeable elements of the feet.
- the hinge may be a living hinge.
- the pivot axis of the hinge is preferably arranged parallel to a rung or step of the climbing device. This arrangement of the pivot axis is of particular advantage, since then the interchangeable element protrudes in the rest position neither in an area between the spars or an area laterally of the spars. A protrude into the area between the spars and in the area laterally of the spars is a disadvantage, since in these areas easily contact and thus damage or accidental release of the removable element can be done in the rest position by feet of a user of the ladder.
- the pivot axis of the hinge can be present as a concrete component, for example in the form of a short rod.
- the axis of rotation does not have to be a concrete component. It can also be defined by structures on the first part and / or on the second part.
- the interchangeable elements and / or the first parts of the feet may have cantilevered elements as locking elements.
- locking lugs can be provided on the cantilever elements.
- the locking lugs can be locked in the rest position or in the position of use of the interchangeable elements behind projections, in undercuts, in notches, in grooves or the like.
- the projecting elements are advantageously arranged substantially parallel to planes that are perpendicular to the pivot axis.
- the feet of the ladder may be a plastic part of at least two components.
- the first part or at least the first contact surface may be formed by a component, while the interchangeable element or at least the second contact surface may be formed by a second component.
- the first footprints of the feet may be rougher than the second footprints. It is also possible that the second contact surfaces are softer than the first contact surfaces. But it is also possible that the second footprint rougher and / or the first footprint is softer.
- the interchangeable elements may also be softer and / or harder as a whole than the first parts of the feet.
- the first parts of the feet can be at least partially plugged into one of the spars. It is also possible that the first parts of the feet each form a cap and that the caps are attached to each one of the spars.
- like reference numerals are used for parts of the various ladders, as far as these parts differ in their function.
- the different ladders differ only by the design of feet on the in the position of use of the ladders lower ends of bars 1.
- the ladders S point (see FIG. 1 )
- the riser S1 and the support member S2 have spars 1, which are connected by steps in the case of the riser S1.
- the feet 2 are provided.
- At the upper ends of the spars 1 of the support part hinge parts 3 are provided, which together with an axis 3a form the hinge of the ladder.
- the lower end of the first ladder as shown in the side views of the Figures 2 and 3 is shown, comprising the lower end of a spar 1 and a mounted in the lower end of the spar 1 foot 2 made of plastic, which is attached with a cap formed as a first part to the lower end of the spar.
- the cap is approximately wedge-shaped and has on its underside a first footprint 26. This first footprint 26 is in a position of use of the first ladder on the floor and protects the floor from damage by the end of the spar 1, which usually consists of a Aluminum hollow section is made.
- a change element 23 is connected to the cap forming the first part 21 of the foot 2.
- the hinge 22 is a film hinge that is made of the same plastic as the first part 21 and the interchangeable element 23. However, the plastic of the interchangeable element 23 and the film hinge 22 are softer than the plastic of the cap 21.
- the change element 23 is shown pivoted in a position of use.
- the interchangeable element 23 By pivoting the interchangeable element 23 about the film hinge 22, the interchangeable element 23 is brought in front of the first footprint 26.
- the first footprint 26 is thereby covered and a second footprint 27 brought before the lower end of the spar 1.
- the climbing device S can now rest on the second footprint 27 of the foot 2. Due to the softer material of the removable element 23, the riser is now particularly suitable to be placed on soft and sensitive surfaces, eg on parquet or wooden floorboards.
- the embodiment has a locking mechanism for locking the interchangeable element in the position of use.
- the Locking mechanism comprises on the one hand a notch 28 as a locking element on the cap of the foot 2 and on the other hand, a latching hook 25a as a locking element on the interchangeable element. In the position of use of the interchangeable element of the latching hook 25a engages in the notch 28, whereby the interchangeable element is detected.
- FIGS. 4 to 7b show a foot 2 with a first part 21, a hinge 22 and a change element 23 of the second conductor.
- the first part 21 has a male member 211 which is inserted into the spar 1 of the third conductor S.
- a lower element 212 of the first part projects beyond the lower end of the spar 1.
- the lower member 212 is fixedly connected to the male member 211.
- a surrounding element 213 is fixedly connected to the lower element 212 and surrounds the lower end of the spar 1.
- the lower end of the spar 1 is inserted into a gap between the insertion element 211 and the surrounding element 213.
- the hinge has a first hinge element 222 fixedly connected to the first part 21 of the foot 2 and a second hinge element 223 fixedly connected to the change element 23, both of which are pivotally connected to one another via an axis 221.
- the axis 221 is a short bar.
- the pivot axis 221 is substantially parallel to the steps of the ladder.
- the first footprint 26 formed on the first part 21 is softer and more finely profiled than the second footprint 28 formed on the interchangeable element 23.
- the first part may be made of a PELD, while the interchangeable element is formed by a PE.
- the overhanging elements 291, 293 lie in planes perpendicular to the pivot axis 221.
- the cantilevered elements 291, 293 latching lugs 291a, 293a on.
- a notch 292 and the interchangeable element 23, an undercut 294 are provided as locking elements on the first part 21. These are in the position of use or the rest position of the removable element 23 with the locking lugs 291 a, 293 a latched, whereby the first part 21 and the removable element 23 are fixed in the position of use and the rest position.
- End of the spar 1 is inserted into a gap between the male member 211 and the surrounding element 213.
- the hinge has a first hinge element 222 fixedly connected to the first part 21 of the foot 2 and a second hinge element 223 fixedly connected to the change element 23, both of which are pivotally connected to one another via an axis 221.
- the axis 221 is a short bar.
- the pivot axis 221 is substantially parallel to the steps of the ladder.
- the first footprint 26 formed on the first part 21 is softer and more finely profiled than the second footprint 28 formed on the interchangeable element 23.
- the first part may be made of a PELD, while the interchangeable element is formed by a PE.
- projecting elements 291, 293 on the first element 21 and the change element 23 is provided.
- the projecting elements 291, 293 lie in planes perpendicular to the pivot axis 221.
- the cantilevered elements 291, 293 latching lugs 291a, 293a on.
- a notch 292 and the interchangeable element 23, an undercut 294 are provided as locking elements on the first part 21. These are in the position of use or the rest position of the removable element 23 with the locking lugs 291 a, 293 a latched, whereby the first part 21 and the removable element 23 are fixed in the position of use and the rest position.
- the hinge part 3 shown in Figures 10 to 14 is inserted in an upper end of each spar of a supporting part of a climbing device for setting up.
- the hinge part 3 has a first Section 31, which is inserted in the upper end.
- the hinge part 3 comprises a connecting portion 33 and a further portion 32.
- the connecting portion 33 projects beyond the upper end of the spar of the riser, in the upper end of the hinge part 3 is inserted. At the same time it connects the first portion 31 with the further portion 32.
- This further portion 32 is disposed in the mounted state of the hinge part 3 on the outside of the spar and prevents direct contact of the spar of the support member with a spar of the riser of Steigräts, with the Holm of the support member via the hinge part 3 and an axis (not shown) is pivotally connected.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Description
Die vorliegende Erfindung betrifft ein Steiggerät, z. B. eine Stufenleiter, eine Sprossenleiter oder einen Klapptritt mit wenigstens zwei Holmen, wenigstens zwei Sprossen oder Stufen, die zwischen den Holmen angebracht sind, und wenigstens zwei Füßen, die jeweils an einem in Gebrauchslage des Steiggeräts unteren Ende eines der Holme angebracht sind und je eine erste Aufstandsfläche aufweisen, über die das Steiggerät in der Gebrauchslage auf einem Boden ruht.The present invention relates to a riser, z. B. a step ladder, a rung ladder or a Klapptritt with at least two spars, at least two rungs or steps, which are mounted between the spars, and at least two feet, which are each attached to a lower in the use position of the Steigraft one of the spars and depending have a first footprint over which rests the riser in the position of use on a floor.
Derartige Steiggeräte, z.B. Stufenstehleitern zum Aufstellen, insbesondere sogenannte Haushaltsleitern sind aus dem täglichen Gebrauch vielen Personen bekannt. Die Holme solcher Steiggeräte sind in der Regel aus Aluminium-Hohlprofilen hergestellt. Die Füße sind in den bodenseitigen Enden der Hohlprofile eingesteckt und schützen den Boden vor Beschädigungen durch das scharfkantige Aluminium. Außerdem sorgen die Füße für eine ebene Aufstandsfläche der Leiter. Die Füße sind in der Regel aus einem Kunststoffmaterial hergestellt. Die erste Aufstandsfläche ist im Regelfall profiliert und relativ hart. Beim Aufstellen der Leitern auf empfindlichen, insbesondere weichen Untergründen kann diese, erste Aufstandsfläche der Füße der Leitern zu Beschädigungen an dem Untergrund führen. Es ist beispielsweise möglich, dass sich dadurch so ein profilierter Fuß einer Leiter in einen weicheren Holzfußboden, z.B. einen Parkett- oder Dielenboden eindrückt.Such climbing devices, e.g. Step ladders to set up, especially so-called household conductors are known from daily use many people. The spars of such risers are usually made of aluminum hollow sections. The feet are inserted in the bottom ends of the hollow sections and protect the floor from damage caused by the sharp-edged aluminum. In addition, the feet provide a level footprint of the ladder. The feet are usually made of a plastic material. The first footprint is usually profiled and relatively hard. When setting up the ladders on sensitive, especially soft substrates, this, the first footprint of the feet of the ladder can lead to damage to the substrate. For example, it may be possible for a profiled foot of a ladder to penetrate into a softer wooden floor, e.g. press in a parquet or board floor.
Andererseits ist der Fuß eines solchen Steiggeräts insbesondere bei Anwendungen im Außenbereich von Vorteil auf Grund seiner profilierten Aufstandsfläche.On the other hand, the foot of such a climbing device is particularly advantageous in outdoor applications due to its profiled footprint.
Aus dem Dokument
Jeder Fuß der aus dem Dokument
Das Steiggerät weist mehrere erste und zweite Feststellelemente auf, mit welchen jedes der Wechselelemente in der Ruhestellung und/oder in der Gebrauchsstellung festgestellt werden kann. Ein Erstes Feststellelement zum Festlegen eines Wechselelementes in der NichtGebrauchslage ist an dem Holm angebracht. Dieses erste Feststellelement wirkt mit einem zweiten Feststellelement zum Feststellen des Wechselelementes zusammen, das am Wechselelement vorgesehen ist.The climbing device has a plurality of first and second locking elements, with which each of the interchangeable elements in the rest position and / or in the position of use can be determined. A first locking element for fixing a replacement element in the non-use position is attached to the spar. This first locking element cooperates with a second locking element for locking the interchangeable element which is provided on the interchangeable element.
Die Anbringung der ersten Feststellelemente an den Holmen ist aufwändig, da sie eine Bearbeitung der Holme zur Befestigung der ersten Feststellelement erforderlich macht.The attachment of the first locking elements on the bars is complex because it requires a processing of the spars for fixing the first locking element.
Aus dem Dokument
Hier setzt die vorliegende Erfindung an.This is where the present invention begins.
Der Erfindung liegt die Aufgabe zu Grunde ein Steiggerät vorzuschlagen, bei dem die Feststellelemente einfach anbringbar sind und das Wechselelement sowohl in der Gebrauchsstellung als auch bei Nichtgebrauch eine definierte Stellung hat.The invention is based on the object to propose a riser device in which the locking elements are easy to attach and the change element has a defined position both in the position of use and when not in use.
Die Aufgabe wird erfindungsgemäß durch ein Steiggerät mit den Merkmalen des Anspruchs 1 gelöst.The object is achieved by a riser with the features of
Gemäß der Erfindung weist jeder Fuß ein erstes Teil auf, das fest mit dem zugeordneten Holm verbunden ist. Jeder Fuß weist ein Scharnier oder anderes Verbindungselement auf, über das das Wechselelement des Fußes um eine Schwenkachse schwenkbar mit dem ersten Teil des Fußes verbunden ist.According to the invention, each foot has a first part fixedly connected to the associated spar. Each foot has a hinge or other connecting element, via which the changing element of the foot is pivotally connected about a pivot axis with the first part of the foot.
Das Steiggerät weist Feststellelemente auf, mit Wechselelemente in der Ruhestellung und in der Gebrauchsstellung festgestellt werden kann. Alle Feststellelemente sind in der Ruhestellung und in der Gebrauchsstellung an den ersten Teilen oder den Wechselelementen der Füße angebracht.The climbing device has locking elements, can be found with interchangeable elements in the rest position and in the position of use. All locking elements are mounted in the rest position and in the position of use of the first parts or the interchangeable elements of the feet.
Bei dem Scharnier kann es sich um ein Filmscharnier handeln. Die Schwenkachse des Scharniers ist vorzugsweise parallel zu einer Sprosse oder Stufe des Steiggeräts angeordnet. Diese Anordnung der Schwenkachse ist von besonderem Vorteil, da dann das Wechselelement in der Ruhestellung weder in einen Bereich zwischen den Holmen oder einen Bereich seitlich der Holme hineinragt. Ein Hineinragen in den Bereich zwischen den Holmen bzw. in den Bereich seitlich der Holme ist von Nachteil, da in diesen Bereichen leicht eine Berührung und damit auch eine Beschädigung oder ein Unbeabsichtigtes Lösen des Wechselelementes in der Ruhestellung durch Füße eines Benutzers der Leiter erfolgen kann.The hinge may be a living hinge. The pivot axis of the hinge is preferably arranged parallel to a rung or step of the climbing device. This arrangement of the pivot axis is of particular advantage, since then the interchangeable element protrudes in the rest position neither in an area between the spars or an area laterally of the spars. A protrude into the area between the spars and in the area laterally of the spars is a disadvantage, since in these areas easily contact and thus damage or accidental release of the removable element can be done in the rest position by feet of a user of the ladder.
Die Schwenkachse des Scharniers kann als konkretes Bauteil, beispielsweise in Form einer kurzen Stange vorliegen. Die Drehachse muss aber nicht als konkretes Bauteil vorliegen. Sie kann auch durch Strukturen am ersten Teil und/oder am zweiten Teil definiert sein.The pivot axis of the hinge can be present as a concrete component, for example in the form of a short rod. However, the axis of rotation does not have to be a concrete component. It can also be defined by structures on the first part and / or on the second part.
Die Wechselelemente und/oder die ersten Teile der Füße können als Feststellelemente auskragende Elemente aufweisen. An den auskragenden Elementen können Rastnasen vorgesehen sein. Die Rastnasen können in der Ruhestellung bzw. in der Gebrauchsstellung der Wechselelemente hinter Vorsprüngen, in Hinterschnitten, in Kerben, in Nuten oder dergleichen eingerastet sein. Die auskragenden Elemente sind vorteilhaft im Wesentlichen parallel zu Ebenen angeordnet, die senkrecht zur Schwenkachse liegen.The interchangeable elements and / or the first parts of the feet may have cantilevered elements as locking elements. On the cantilever elements locking lugs can be provided. The locking lugs can be locked in the rest position or in the position of use of the interchangeable elements behind projections, in undercuts, in notches, in grooves or the like. The projecting elements are advantageously arranged substantially parallel to planes that are perpendicular to the pivot axis.
Die Füße der Leiter können ein Kunststoffteil aus wenigstens zwei Komponenten sein. Das erste Teil oder zumindest die erste Aufstandsfläche kann durch eine Komponente gebildet sein, während das Wechselelement oder zumindest die zweite Aufstandsfläche durch eine zweite Komponente gebildet sein kann.The feet of the ladder may be a plastic part of at least two components. The first part or at least the first contact surface may be formed by a component, while the interchangeable element or at least the second contact surface may be formed by a second component.
Die ersten Aufstandsflächen der Füße können rauer sein als die zweiten Aufstandsflächen. Ebenso ist es möglich, dass die zweiten Aufstandsflächen weicher sind als die ersten Aufstandsflächen. Es ist aber auch möglich, dass die zweite Aufstandsfläche rauer und/oder die erste Aufstandsfläche weicher ist.The first footprints of the feet may be rougher than the second footprints. It is also possible that the second contact surfaces are softer than the first contact surfaces. But it is also possible that the second footprint rougher and / or the first footprint is softer.
Die Wechselelemente können auch als Ganzes weicher und/oder härter sein als die ersten Teile der Füße.The interchangeable elements may also be softer and / or harder as a whole than the first parts of the feet.
Die ersten Teile der Füße können zumindest zum Teil in einen der Holme eingesteckt sein. Ebenso ist es möglich, dass die ersten Teile der Füße jeweils eine Kappe bilden und dass die Kappen auf je einen der Holme aufgesteckt sind.The first parts of the feet can be at least partially plugged into one of the spars. It is also possible that the first parts of the feet each form a cap and that the caps are attached to each one of the spars.
Weitere Merkmale und Vorteile der vorliegenden Erfindung werden deutlich anhand der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele unter Bezugnahme auf die beiliegenden Abbildungen. Darin zeigen
- Fig. 1
- eine perspektivische Ansicht einer erfindungsgemäßen Leiter,
- Fig. 2
- eine perspektivische Ansicht eines unteren Endes einer ersten Leiter mit einem Wechselelement in Ruhestellung,
- Fig. 3
- eine perspektivische Ansicht des unteren Endes der ersten Leiter mit dem Wechselelement in Gebrauchsstellung,
- Fig. 4
- eine Seitenansicht eines Fußes einer zweiten erfindungemäßen Leiter mit einem Wechselelement in Ruhestellung,
- Fig. 4a
- eine perspektivischen Ansicht des Fußes gemäß
Fig. 4 mit dem Wechselelement in Ruhestellung, - Fig. 5
- eine Seitenansicht des Fußes der zweiten erfindungemäßen Leiter mit dem Wechselelement in Gebrauchsstellung,
- Fig. 5a
- eine perspektivischen Ansicht des Fußes gemäß
Fig. 4 ,4a und5 mit dem Wechselelement in Gebrauchsstellung, - Fig. 6
- eine Seitenansicht eines ersten Teils des Fußes gemäß der
Figuren 4 bis 5a , - Fig. 6a
- eine Schnittansicht des ersten Teils entlang der Linie VIIIa-VIIIa in
Fig. 6 , - Fig. 6b
- eine Schnittansicht des ersten Teils entlang der Linie VIIIb-VIIIb in
Fig. 6a , - Fig. 7
- eine Seitenansicht des Wechselelementes des Fußes gemäß der
Figuren 4 bis 5a , - Fig. 7a
- eine Schnittansicht des Wechselelementes entlang der Linie IXa-IXa in
Fig. 6 , - Fig. 7b
- eine Schnittansicht des Wechselelementes entlang der Linie IXb-IXb in
Fig. 6a ,
- Fig. 1
- a perspective view of a conductor according to the invention,
- Fig. 2
- a perspective view of a lower end of a first conductor with a change element in the rest position,
- Fig. 3
- a perspective view of the lower end of the first conductor with the change element in the use position,
- Fig. 4
- a side view of a foot of a second erfindungemäßen conductor with a change element in the rest position,
- Fig. 4a
- a perspective view of the foot according to
Fig. 4 with the interchangeable element at rest, - Fig. 5
- a side view of the foot of the second erfindungemäßen conductor with the change element in the use position,
- Fig. 5a
- a perspective view of the foot according to
Fig. 4 .4a and5 with the change element in the position of use, - Fig. 6
- a side view of a first part of the foot according to the
Figures 4 to 5a . - Fig. 6a
- a sectional view of the first part along the line VIIIa-VIIIa in
Fig. 6 . - Fig. 6b
- a sectional view of the first part along the line VIIIb-VIIIb in
Fig. 6a . - Fig. 7
- a side view of the change element of the foot according to the
Figures 4 to 5a . - Fig. 7a
- a sectional view of the interchangeable element along the line IXa-IXa in
Fig. 6 . - Fig. 7b
- a sectional view of the interchangeable element along the line IXb-IXb in
Fig. 6a .
In den Figuren werden für Teile der verschiedenen Leitern gleiche Bezugszeichen verwendet, so weit sich diese Teile in ihrer Funktion unterscheiden. Die verschiedenen Leitern unterscheiden sich nur durch die Ausgestaltung von Füßen an den in der Gebrauchslage der Leitern unteren Enden von Holmen 1. Die Leitern S weisen (siehe
Das untere Ende der ersten Leiter, wie es in den Seitenansichten der
Über ein Scharnier 22 ist ein Wechselelement 23 mit dem die Kappe bildenden ersten Teil 21 des Fußes 2 verbunden. Das Scharnier 22 ist ein Filmscharnier, dass aus dem gleichen Kunststoff hergestellt ist, wie das erste Teil 21 bzw. das Wechselelement 23. Der Kunststoff des Wechselelementes 23 und des Filmscharniers 22 sind allerdings weicher als der Kunststoff der Kappe 21.Via a
Dagegen ist in der
Das Ausführungsbeispiel hat einen Feststellmechanismus zum Feststellen des Wechselelementes in der Gebrauchsstellung. Der Feststellmechanismus umfasst einerseits eine Kerbe 28 als Feststellelement an der Kappe des Fußes 2 und andererseits einen Rasthaken 25a als Feststellelement an dem Wechselelement. In der Gebrauchsstellung des Wechselelementes rastet der Rasthaken 25a in der Kerbe 28 ein, wodurch das Wechselelement festgestellt ist.The embodiment has a locking mechanism for locking the interchangeable element in the position of use. Of the Locking mechanism comprises on the one hand a
Die
Das Scharnier weist ein erstes, fest mit dem ersten Teil 21 des Fußes 2 verbundenes Scharnierelement 222 und ein zweites, fest mit dem Wechselelement 23 verbundenes Scharnierelement 223 auf, die beide über eine Achse 221 schwenkbar miteinander verbunden sind. Die Achse 221 ist eine kurze Stange. Die Schwenkachse 221 verläuft im Wesentlichen parallel zu den Stufen der Leiter.The hinge has a
Die am ersten Teil 21 ausgebildete erste Aufstandsfläche 26 ist weicher und feiner profiliert als die am Wechselelement 23 ausgebildete zweite Aufstandfläche 28. Der erste Teil kann aus einem PELD hergestellt sein, während das Wechselelement durch ein PE gebildet ist.The
Als Feststellelemente sind zum einen auskragende Elemente 291, 293 am ersten Element 21 und am Wechselelement 23 vorgesehen. Die auskragenden Elemente 291, 293 liegen in Ebenen senkrecht zu der Schwenkachse 221. An Ihren Enden weisen die auskragenden Elemente 291, 293 Rastnasen 291a, 293a auf.As locking elements are on the one
Zum anderen sind als Feststellelemente am ersten Teil 21 eine Kerbe 292 und am Wechselelement 23 ein Hinterschnitt 294 vorgesehen. Diese sind in der Gebrauchsstellung oder der Ruhestellung des Wechselelementes 23 mit den Rastnasen 291 a, 293a verrastet, wodurch der erste Teil 21 und das Wechselelement 23 in der Gebrauchsstellung und der Ruhestellung fixiert sind.On the other hand, a
Ende des Holmes 1 ist in einen Spalt zwischen dem Einsteckelement 211 und dem umgebenden Element 213 eingesteckt.End of the
Das Scharnier weist ein erstes, fest mit dem ersten Teil 21 des Fußes 2 verbundenes Scharnierelement 222 und ein zweites, fest mit dem Wechselelement 23 verbundenes Scharnierelement 223 auf, die beide über eine Achse 221 schwenkbar miteinander verbunden sind. Die Achse 221 ist eine kurze Stange. Die Schwenkachse 221 verläuft im Wesentlichen parallel zu den Stufen der Leiter.The hinge has a
Die am ersten Teil 21 ausgebildete erste Aufstandsfläche 26 ist weicher und feiner profiliert als die am Wechselelement 23 ausgebildete zweite Aufstandfläche 28. Der erste Teil kann aus einem PELD hergestellt sein, während das Wechselelement durch ein PE gebildet ist.The
Als Feststellelemente sind zum einen auskragende Elemente 291, 293 am ersten Element 21 und am Wechselelement 23 vorgesehen. Die auskragenden Elemente 291, 293 liegen in Ebenen senkrecht zu der Schwenkachse 221. An Ihren Enden weisen die auskragenden Elemente 291, 293 Rastnasen 291a, 293a auf.As locking elements are on the one
Zum anderen sind als Feststellelemente am ersten Teil 21 eine Kerbe 292 und am Wechselelement 23 ein Hinterschnitt 294 vorgesehen. Diese sind in der Gebrauchsstellung oder der Ruhestellung des Wechselelementes 23 mit den Rastnasen 291 a, 293a verrastet, wodurch der erste Teil 21 und das Wechselelement 23 in der Gebrauchsstellung und der Ruhestellung fixiert sind.On the other hand, a
Das in den Figuren 10 bis 14 dargestellte Scharnierteil 3 ist in einem oberen Ende jedes Holmes eines Stützteils eines Steiggeräts zum Aufstellen eingesteckt. Das Scharnierteil 3 weist einen ersten Abschnitt 31 auf, der in das obere Ende eingesteckt ist. Ferner umfasst das Scharnierteil 3 einen Verbindungsabschnitt 33 und einen weiteren Abschnitt 32.The
Der Verbindungsabschnitt 33 überragt das obere Ende des Holmes des Steigteils, in dessen oberes Ende das Scharnierteil 3 eingesteckt ist. Gleichzeitig verbindet er den ersten Abschnitt 31 mit dem weiteren Abschnitt 32. Dieser weitere Abschnitt 32 ist im montierten Zustand des Scharnierteils 3 auf der Außenseite des Holmes angeordnet und verhindert einen unmittelbaren Kontakt des Holmes des Stützteils mit einem Holm des Steigteils des Steiggeräts, mit dem der Holm des Stützteils über das Scharnierteil 3 und einer Achse (nicht dargestellt) gelenkig verbunden ist.The connecting portion 33 projects beyond the upper end of the spar of the riser, in the upper end of the
Claims (7)
- Ladder (S), for example step ladder, rung ladder or hinged step, having at least two rails (1), at least two rungs or steps (4), which are fitted between the rails (1), and at least two feet (2), which are each fitted at a lower end of one of the rails (1) in a use state of the ladder (S) and each have a first supporting face (26) via which the ladder (S) rests on the ground in the use state,
wherein each foot (2) has an interchangeable element (23) which is able to be moved from a rest position into a use position in front of the first supporting face (26) in order to be arranged between the first supporting face (26) and the ground in the use state of the ladder (S) and in order to form a second supporting face (27) of the ladder (S), which is an alternative to the first supporting face (26), in the use state,
wherein the feet (2) each have a first part (21) which is firmly connected to the associated rail (1), and wherein the feet (2) each have a hinge (22) via which the interchangeable element (23) of the foot (2) is connected to the first part (21) so as to be pivotable about a pivot axis,
wherein the ladder (S) has fixing elements (28, 25a; 291, 292, 293, 294) with which the interchangeable element (23) is able to be fixed in the use position,
characterized
in that the ladder (S) has fixing elements (28, 25a; 291, 292, 293, 294) with which the interchangeable element (23) is able to be fixed in the rest position, and
in that all of the fixing elements (28, 25a; 291, 292, 293, 294) are attached to the first parts or the interchangeable elements (23) of the feet (2) in the rest position and the use position. - Ladder (S) according to Claim 1, characterized in that the pivot axis (221) of the hinge (22) is arranged parallel to a rung or step (4) of the ladder (S).
- Ladder (S) according to Claim 1 or 2, characterized in that the interchangeable elements (23) and/or the first parts (21) have projecting elements (291, 293) as fixing elements.
- Ladder (S) according to Claim 3, characterized in that latching lugs (291a, 293a) are provided on the projecting elements (291, 293).
- Ladder (S) according to Claim 3 or 4, characterized in that the projecting elements (291, 293) are arranged substantially parallel to planes which are perpendicular to the pivot axis (221).
- Ladder (S) according to Claim 4 or 5, characterized in that the latching lugs (291a, 293a) are engaged behind protuberances (292), in undercuts, in notches (294), in grooves or the like in the rest position or in the use position of the interchangeable elements (23).
- Ladder (S) according to one of Claims 1 to 6, characterized in that the first parts (21) of the feet (2) are plugged at least partially into in each case one of the rails (1).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200920001834 DE202009001834U1 (en) | 2009-02-13 | 2009-02-13 | Riser, e.g. Step ladder, rung ladder or folding step with at least two feet |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2218869A2 EP2218869A2 (en) | 2010-08-18 |
EP2218869A3 EP2218869A3 (en) | 2015-06-17 |
EP2218869B1 true EP2218869B1 (en) | 2017-05-24 |
Family
ID=40691160
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10153532.6A Not-in-force EP2218869B1 (en) | 2009-02-13 | 2010-02-12 | Step ladder or rung ladder |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2218869B1 (en) |
DE (1) | DE202009001834U1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202011002456U1 (en) | 2011-02-07 | 2012-05-08 | Hailo-Werk Rudolf Loh Gmbh & Co. Kg | Foot and climbing device with such a foot |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2163970A (en) * | 1937-03-17 | 1939-06-27 | White Frank | Ladder foot |
SU83556A1 (en) * | 1949-07-05 | 1949-11-30 | А.Н. Селянкин | Portable ladder |
US6902036B1 (en) * | 2003-02-07 | 2005-06-07 | Jack W. Holley | Stabilizer for folding step ladders |
-
2009
- 2009-02-13 DE DE200920001834 patent/DE202009001834U1/en not_active Expired - Lifetime
-
2010
- 2010-02-12 EP EP10153532.6A patent/EP2218869B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
EP2218869A3 (en) | 2015-06-17 |
DE202009001834U1 (en) | 2009-05-28 |
EP2218869A2 (en) | 2010-08-18 |
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