EP3034774A1 - Ladder assembly - Google Patents
Ladder assembly Download PDFInfo
- Publication number
- EP3034774A1 EP3034774A1 EP15192999.9A EP15192999A EP3034774A1 EP 3034774 A1 EP3034774 A1 EP 3034774A1 EP 15192999 A EP15192999 A EP 15192999A EP 3034774 A1 EP3034774 A1 EP 3034774A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ladder
- section
- conductor
- conductor portion
- pivoted
- 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
Links
- 239000004020 conductor Substances 0.000 claims abstract description 97
- 230000005484 gravity Effects 0.000 claims abstract description 6
- 239000002131 composite material Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 230000000284 resting effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
- E06C9/06—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted
- E06C9/08—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members
- E06C9/10—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members forming part of a building, such as a balcony grid, window grid, or other window part
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
- E06C9/06—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted
- E06C9/08—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members
-
- 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
- E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/397—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders characterised by having wheels, rollers, or runners
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/32—Ladders with a strut which is formed as a ladder and can be secured in line 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
- E06C7/48—Ladder heads; Supports for heads of ladders for resting against objects
Definitions
- the invention relates to a ladder assembly on the outside of a building with a composed of a lower conductor portion and an articulated with this lower conductor portion upper conductor portion ladder mounted at its upper end pivotally mounted on a console and by a pivot drive between a pivoted, bottom side supported working position and a swung-up rest position, and with a support for the overhead in the rest position waved ladder.
- US 4 068 770 A to divide the conductors into at least two hingedly connected sections and to provide with pivoting drives between the conductor sections so that first the lower conductor section is pivoted against the upper conductor section before the two conductor sections pivoted together about the upper pivot axis of the ladder overhead in the rest position become.
- a disadvantage of these known conductor arrangements is the design effort that results from the pivot drives between the individual conductor sections.
- the conductor sections must be locked in the working position against each other, because due to the high pivoting of the lower conductor sections on the user facing the front of the ladder is not possible to buckling in the direction of loading preventing rotation stop for the joints between the conductor sections.
- one-piece ladder In order to be able to lower a drawable by means of a cable, one-piece ladder from a vertical rest position to an inclined position of use, it is also known ( US 983904 A ), to provide at the lower end of the head rollers projecting on the front of the conductor relative to the conductor end, so that the first lowered by a guide conductor is initially supported on the ground on the floor and can be moved from the vertical position in an inclined position of use until the recessed conductor end a Continued rolling prevented.
- such one-piece ladders can only be used for a height section of an outer wall.
- the invention is therefore based on the object of specifying a particularly suitable for use on the outside of buildings ladder arrangement that is simple and reliable.
- the invention solves the stated object in that the lower conductor section is freely rotatable relative to the upper conductor section between a stop-limited stretched position and a contact on the upper conductor section and has at least one sliding body as ground support and that the ground support the conductor front is spaced from the plane passing through the center of gravity and the hinge axis of the lower conductor portion.
- the lower conductor portion of the working position determining extended position freely rotatable against the back, so the user facing away from the conductor side, pivot when the upper conductor portion is pivoted from the working position up, there is no need pivot drive between the two hinged together connected conductor sections.
- the lower conductor portion depends by weight on the upper conductor portion until the lower conductor portion abuts the upper and is pivoted away therefrom with the lower conductor portion resting on the upper conductor portion and being in abutment with the upper conductor portion by weight is held without the need for constructive means must be used.
- the slider it may happen due to pendulum movements of the lower conductor portion that the lower conductor portion is not pivoted after placement against the front of the ladder, but against the back.
- the ground support on the front of the ladder is spaced from the plane passing through the center of gravity and the pivot axis of the lower ladder section.
- the associated eccentric placement of the lower conductor portion causes an additional torque in the sense of pivoting the lower conductor portion in the extended position, whereby the desired pivotal movement of the lower conductor portion can be ensured even in unfavorable soil conditions.
- At least one handle handle can be provided in the upper exit area of the ladder.
- this handle can be moved automatically from a pivoted rest position in a stop-limited position of use, the handle bar on the stored in the bracket bearing shaft for the upper ladder section of the ladder portion are freely rotatably mounted and cooperate with a driver of the upper ladder section, so that the handle spar at Pivoting the ladder into the working position is displaced into its position of use against a rotation stop associated with the console and held in this position of use until the ladder is pivoted back into the rest position.
- the handle spar is thereby moved back into its position of use due to a weight moment or a separate driver stop of the upper ladder section.
- the support of the ladder in the rest position can be done via suitable conditions. Particularly favorable design conditions arise in this Connection, if the console itself forms this edition, because then the console results in a complete assembly requirements sufficient unit.
- the conductor arrangement according to the illustrated embodiment has an example provided on a wall crown, a flat roof or the like.
- a structure 1 console 2 in which a conductor 3 is pivotally mounted, with the aid of a rotatably supported in the bracket 2 bearing shaft 4 for pivoting the head 3 by means of a swivel drive 5.
- This swivel drive 5 comprises according to the embodiment, a motor 6 with a downstream worm gear 7, to provide for a motor failure for a self-locking transmission.
- the conductor 3 is composed of an upper conductor portion 8 and a lower conductor portion 9, which are mutually freely rotatably supported by a hinge axis 10 outside the determined by a rotation stop 11 stretched position.
- This rotation stop 11 is provided on the front of the conductor and can be assigned to either the upper or the lower conductor section 8, 9.
- the lower conductor section 9 is provided with sliding bodies 12 in the form of bottom rollers 13. Will the Swivel drive 5 for pivoting the ladder 3 from the in the Fig. 1 and 2 shown working position overhead in the rest position after the Fig. 3 pivoted, the upper ladder section 8 first lifts the lower ladder section 9 away from the floor 14 in order to move it in accordance with FIG Fig.
- the swivel drive 5 is actuated in opposite directions, so that the upper conductor section 8 is pivoted away with the adjacent lower conductor section 9 of the support 15 of the console 2 and the lower conductor section 9 due to gravity overshoot of the vertical overhead position pivots away from the upper ladder section 8 and freely suspended from the upper ladder section 8 down.
- the sliding body 12 are arranged on the conductor front at a distance a from a plane 16 which passes through hinge axis 10 and through the center of gravity S of the lower conductor portion 9.
- the ladder assembly in the region of the upper end of the ladder 3 is provided with at least one handle 17, which is freely rotatably mounted on the bearing shaft 4 laterally adjacent to the upper ladder section 8, from a pivoted rest position according to Fig. 3 in a position of use according to the Fig. 4 and 5 to be able to be pivoted, and although with the help of a arranged on the upper ladder section 8 driver 18.
- This driver 18 caused during pivoting of the ladder 3 in its working position, a pivoting of the handle bar 17 in a predetermined by a rotation stop 19 on the console 2 position of use, in the handle bar 17 by the driver 18 is held.
- a rotation stop 19 on the console 2 position of use in the handle bar 17 by the driver 18 is held.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Abstract
Es wird eine Leiteranordnung auf der Außenseite eines Bauwerks (1) mit einer aus einem unteren Leiterabschnitt (9) und einem mit diesem unteren Leiterabschnitt (9) gelenkig verbundenen oberen Leiterabschnitt (8) zusammengesetzten Leiter (3), die an ihrem oberen Ende verschwenkbar auf einer Konsole (2) gelagert und durch einen Schwenktrieb (5) zwischen einer abgeschwenkten, bodenseitig abgestützten Arbeitsstellung und einer hochgeschwenkten Ruhestellung verschwenkbar ist, und mit einer Auflage (15) für die überkopf in die Ruhestellung geschwenkte Leiter (3) beschrieben. Um vorteilhafte Konstruktionsverhältnisse sicherzustellen, wird vorgeschlagen, dass der untere Leiterabschnitt (9) gegenüber dem oberen Leiterabschnitt (8) zwischen einer anschlagbegrenzten Strecklage und einer Anlage am oberen Leiterabschnitt (8) frei drehbar gehalten ist und wenigstens einen Gleitkörper (12) als Bodenabstützung aufweist und dass die Bodenabstützung auf der Leitervorderseite mit Abstand (a) von der durch den Schwerpunkt (S) und die Gelenkachse (10) des unteren Leiterabschnitts (9) verlaufenden Ebene (16) angeordnet ist.It is a ladder assembly on the outside of a building (1) with a of a lower conductor portion (9) and with this lower conductor portion (9) hingedly connected upper conductor portion (8) composite conductor (3) pivotally at its upper end a console (2) mounted and by a swivel drive (5) between a pivoted, supported on the bottom side work position and a swung-rest position, and with a support (15) for the overhead in the rest position pivoted ladder (3) described. To ensure advantageous construction conditions, it is proposed that the lower conductor section (9) is freely rotatably supported relative to the upper conductor section (8) between a stop-limited stretched position and a contact on the upper conductor section (8) and has at least one sliding body (12) as ground support and in that the ground support on the conductor front side is arranged at a distance (a) from the plane (16) passing through the center of gravity (S) and the articulation axis (10) of the lower conductor section (9).
Description
Die Erfindung bezieht sich auf eine Leiteranordnung auf der Außenseite eines Bauwerks mit einer aus einem unteren Leiterabschnitt und einem mit diesem unteren Leiterabschnitt gelenkig verbundenen oberen Leiterabschnitt zusammengesetzten Leiter, die an ihrem oberen Ende verschwenkbar auf einer Konsole gelagert und durch einen Schwenktrieb zwischen einer abgeschwenkten, bodenseitig abgestützten Arbeitsstellung und einer hochgeschwenkten Ruhestellung verschwenkbar ist, und mit einer Auflage für die überkopf in die Ruhestellung geschwenkte Leiter.The invention relates to a ladder assembly on the outside of a building with a composed of a lower conductor portion and an articulated with this lower conductor portion upper conductor portion ladder mounted at its upper end pivotally mounted on a console and by a pivot drive between a pivoted, bottom side supported working position and a swung-up rest position, and with a support for the overhead in the rest position waved ladder.
Um Leitern platzsparend in einer Überkopflage unterbringen zu können, ist es bekannt, diese Leitern an ihrem oberen Ende schwenkbar zu lagern und aus zwei Leiterabschnitten zusammenzusetzen, die gegeneinander verschiebbar geführt sind, sodass die für die Ruhestellung zusammengeschobenen Leiterabschnitte nach einem Abschwenken aus der hochgeschwenkten Ruhstellung in die Arbeitsstellung ausgezogen werden können. Solche üblicherweise von Hand zu bedienenden Leiteranordnungen eignen sich jedoch kaum für einen Einsatz auf der Außenseite von Bauwerken, wenn es gilt, die Leitern überkopf in eine bauwerkseitige Ruhstellung zu verlagern. Zu diesem Zweck ist es bekannt (
Bei dreiteiligen Dachbodentreppen ist es außerdem bekannt (
Um eine mittels eines Seilzugs aufziehbare, einteilige Leiter aus einer vertikalen Ruhestellung in eine geneigte Gebrauchsstellung absenken zu können, ist es darüber hinaus bekannt (
Der Erfindung liegt somit die Aufgabe zugrunde, eine für den Einsatz auf der Außenseite von Bauwerken besonders geeignete Leiteranordnung anzugeben, die einfach aufgebaut und betriebssicher ist.The invention is therefore based on the object of specifying a particularly suitable for use on the outside of buildings ladder arrangement that is simple and reliable.
Ausgehend von einer Leiteranordnung der eingangs geschilderten Art löst die Erfindung die gestellte Aufgabe dadurch, dass der untere Leiterabschnitt gegenüber dem oberen Leiterabschnitt zwischen einer anschlagbegrenzten Strecklage und einer Anlage am oberen Leiterabschnitt frei drehbar gehalten ist und wenigstens einen Gleitkörper als Bodenabstützung aufweist und dass die Bodenabstützung auf der Leitervorderseite mit Abstand von der durch den Schwerpunkt und die Gelenkachse des unteren Leiterabschnitts verlaufenden Ebene angeordnet ist.Starting from a ladder arrangement of the type described above, the invention solves the stated object in that the lower conductor section is freely rotatable relative to the upper conductor section between a stop-limited stretched position and a contact on the upper conductor section and has at least one sliding body as ground support and that the ground support the conductor front is spaced from the plane passing through the center of gravity and the hinge axis of the lower conductor portion.
Da zufolge dieser Maßnahmen der untere Leiterabschnitt aus der die Arbeitsstellung bestimmenden Strecklage frei drehbar gegen die Rückseite, also die dem Benützer abgewandte Leiterseite, einschwenken kann, wenn der obere Leiterabschnitt aus der Arbeitsstellung nach oben geschwenkt wird, bedarf es keines Schwenktriebes zwischen den beiden gelenkig miteinander verbundenen Leiterabschnitten. Während des Hochschwenkens des oberen Leiterabschnitts hängt der untere Leiterabschnitt gewichtsbedingt vom oberen Leiterabschnitt herab, bis sich der untere Leiterabschnitt an den oberen anlegt und von diesem mitgeschwenkt wird, wobei der untere Leiterabschnitt auf dem oberen Leiterabschnitt zu liegen kommt und gewichtsbedingt in Anlage mit dem oberen Leiterabschnitt gehalten wird, ohne dass hierfür konstruktive Mittel eingesetzt werden müssten. Beim Verschwenken aus der Ruhestellung in die Arbeitsstellung wird der oben auf dem oberen Leiterabschnitt aufruhende untere Leiterabschnitt zunächst in eine angenähert vertikale Lage verschwenkt, die er beim Weiterschwenken des oberen Leiterabschnitts gewichtsbedingt beibehält, bis der untere Leiterabschnitt auf den Boden aufsetzt. Da in dieser Leiterstellung ein Drehmoment vom oberen Leiterabschnitt auf den unteren Leiterabschnitt im Sinne eines Ausschwenkens in die Strecklage ausgeübt wird, muss für eine entsprechende Verlagerungsmöglichkeit der Bodenabstützung des unteren Leiterabschnitts gesorgt werden. Zu diesem Zweck bildet die Bodenabstützung zumindest einen Gleitkörper. Die Verschwenkung des untern Leiterabschnitts gegen die Leiteraußenseite wird durch den die Strecklage bestimmenden Drehanschlag zwischen den beiden Leiterabschnitten begrenzt.Since, according to these measures, the lower conductor portion of the working position determining extended position freely rotatable against the back, so the user facing away from the conductor side, pivot when the upper conductor portion is pivoted from the working position up, there is no need pivot drive between the two hinged together connected conductor sections. During the upward pivoting of the upper conductor portion, the lower conductor portion depends by weight on the upper conductor portion until the lower conductor portion abuts the upper and is pivoted away therefrom with the lower conductor portion resting on the upper conductor portion and being in abutment with the upper conductor portion by weight is held without the need for constructive means must be used. When pivoting from the rest position to the working position of the above resting on the upper conductor section lower conductor portion is first pivoted in an approximately vertical position, which he keeps the weight of the further pivoting of the upper conductor portion until the lower conductor portion touches the ground. Since in this ladder position a torque from the upper conductor section is exerted on the lower conductor section in the sense of swiveling out in the extended position, care must be taken for a corresponding displacement possibility of the bottom support of the lower conductor section. For this purpose, the bottom support forms at least one slider. The pivoting of the lower conductor section against the outer side of the conductor is limited by the stretch position determining rotational stop between the two conductor sections.
Trotz des Gleitkörpers kann es aufgrund von Pendelbewegungen des unteren Leiterabschnitts dazu kommen, dass der untere Leiterabschnitt nach dem Aufsetzen nicht gegen die Vorderseite der Leiter, sondern gegen die Rückseite hin verschwenkt wird. Um dies zu unterbinden, wird die Bodenabstützung auf der Leitervorderseite mit Abstand von der durch den Schwerpunkt und die Anlenkachse des unteren Leiterabschnitts verlaufenden Ebene angeordnet. Das damit verbundene exzentrische Aufsetzen des unteren Leiterabschnitts bedingt ein zusätzliches Drehmoment im Sinne eines Ausschwenkens des unteren Leiterabschnitts in die Strecklage, womit die gewünschte Schwenkbewegung des unteren Leiterabschnitts auch bei ungünstigen Bodenverhältnissen sichergestellt werden kann.Despite the slider, it may happen due to pendulum movements of the lower conductor portion that the lower conductor portion is not pivoted after placement against the front of the ladder, but against the back. To prevent this, the ground support on the front of the ladder is spaced from the plane passing through the center of gravity and the pivot axis of the lower ladder section. The associated eccentric placement of the lower conductor portion causes an additional torque in the sense of pivoting the lower conductor portion in the extended position, whereby the desired pivotal movement of the lower conductor portion can be ensured even in unfavorable soil conditions.
Werden als Gleitkörper Bodenrollen eingesetzt, so kann der Gleitwiderstand der Bodenabstützung herabgesetzt werden. Allerdings kann dann zur Sicherung der Bodenabstützung der Leiter in der Arbeitsstellung eine Bremseinrichtung für die Bodenrollen notwendig werden.If floor rolls are used as sliding bodies, the sliding resistance of the floor support can be reduced. However, then can be necessary to secure the ground support of the ladder in the working position a braking device for the floor rolls.
Aus Sicherheitsgründen und zur Erleichterung der Benutzung kann im oberen Ausstiegsbereich der Leiter wenigstens ein Griffholm vorgesehen werden. Damit dieser Griffholm automatisch aus einer abgeschwenkten Ruhelage in eine anschlagbegrenzte Gebrauchslage verlagert werden kann, kann der Griffholm auf der in der Konsole gelagerten Lagerwelle für den oberen Leiterabschnitt seitlich des Leiterabschnitts frei drehbar gelagert werden und mit einem Mitnehmer des oberen Leiterabschnitts zusammenwirken, sodass der Griffholm beim Verschwenken der Leiter in die Arbeitsstellung in seine Gebrauchsstellung gegen einen der Konsole zugehörigen Drehanschlag verlagert und in dieser Gebrauchsstellung festgehalten wird, bis die Leiter wieder in die Ruhestellung verschwenkt wird. Der Griffholm wird dabei aufgrund eines Gewichtsmoments oder über einen gesonderten Mitnehmeranschlag des oberen Leiterabschnitts in seine Gebrauchsstellung zurückbewegt.For safety reasons and to facilitate the use of at least one handle handle can be provided in the upper exit area of the ladder. Thus, this handle can be moved automatically from a pivoted rest position in a stop-limited position of use, the handle bar on the stored in the bracket bearing shaft for the upper ladder section of the ladder portion are freely rotatably mounted and cooperate with a driver of the upper ladder section, so that the handle spar at Pivoting the ladder into the working position is displaced into its position of use against a rotation stop associated with the console and held in this position of use until the ladder is pivoted back into the rest position. The handle spar is thereby moved back into its position of use due to a weight moment or a separate driver stop of the upper ladder section.
Die Abstützung der Leiter in der Ruhelage kann über geeignete Auflagen erfolgen. Besonders günstige Konstruktionsbedingungen ergeben sich in diesem Zusammenhang, wenn die Konsole selbst diese Auflage bildet, weil dann die Konsole eine allen Montageanforderungen genügende Baueinheit ergibt.The support of the ladder in the rest position can be done via suitable conditions. Particularly favorable design conditions arise in this Connection, if the console itself forms this edition, because then the console results in a complete assembly requirements sufficient unit.
In der Zeichnung ist der Erfindungsgegenstand beispielsweise dargestellt. Es zeigen
- Fig. 1
- eine erfindungsgemäße Leiteranordnung in der Arbeitsstellung der Leiter in einer vereinfachten Seitenansicht,
- Fig. 2
- die Leiteranordnung nach
Fig. 1 in Ansicht von vorne, - Fig. 3
- die Leiteranordnung in der Ruhestellung der Leiter in einem schematischen Längsschnitt in einem größeren Maßstab,
- Fig. 4
- die Leiter im Bereich ihrer oberen Lagerung in ihrer Arbeitsstellung in einem Längsschnitt in einem größeren Maßstab,
- Fig. 5
- die Leiter gemäß der
Fig. 4 in einer Vorderansicht und - Fig. 6
- die Leiteranordnung in zwei Zwischenstellungen der Leiter zwischen der Ruhe- und der Arbeitsstellung in einer schematischen Seitansicht in einem kleineren Maßstab.
- Fig. 1
- a conductor arrangement according to the invention in the working position of the ladder in a simplified side view,
- Fig. 2
- the ladder arrangement after
Fig. 1 in front view, - Fig. 3
- the conductor arrangement in the rest position of the ladder in a schematic longitudinal section on a larger scale,
- Fig. 4
- the ladder in the region of its upper bearing in its working position in a longitudinal section on a larger scale,
- Fig. 5
- the ladder according to the
Fig. 4 in a front view and - Fig. 6
- the conductor arrangement in two intermediate positions of the conductors between the rest and the working position in a schematic side view on a smaller scale.
Die Leiteranordnung gemäß dem dargestellten Ausführungsbeispiel weist eine beispielsweise auf einer Mauerkrone, einem Flachdach oder dgl. eines Bauwerks 1 vorgesehene Konsole 2 auf, in der eine Leiter 3 schwenkbar gelagert ist, und zwar mit Hilfe einer in der Konsole 2 drehbar gehaltenen Lagerwelle 4 zum Verschwenken der Leiter 3 mit Hilfe eines Schwenktriebs 5. Dieser Schwenktrieb 5 umfasst gemäß dem Ausführungsbeispiel einen Motor 6 mit einem nachgeschalteten Schneckengetriebe 7, um bei einem Motorausfall für eine Getriebeselbsthemmung zu sorgen.The conductor arrangement according to the illustrated embodiment has an example provided on a wall crown, a flat roof or the like. A
Die Leiter 3 ist aus einem oberen Leiterabschnitt 8 und einem unteren Leiterabschnitt 9 zusammengesetzt, die miteinander über eine Gelenkachse 10 außerhalb der durch einen Drehanschlag 11 bestimmten Strecklage gegeneinander frei drehbar gelagert sind. Dieser Drehanschlag 11 ist auf der Leitervorderseite vorgesehen und kann entweder dem oberen oder dem unteren Leiterabschnitt 8, 9 zugeordnet werden. Zur Bodenabstützung ist der untere Leiterabschnitt 9 mit Gleitkörpern 12 in Form von Bodenrollen 13 versehen. Wird der Schwenkantrieb 5 zum Hochschwenken der Leiter 3 aus der in den
Zum Abschwenken der Leiter 3 aus der Ruhestellung in die Arbeitsstellung wird der Schwenktrieb 5 gegensinnig angesteuert, sodass der obere Leiterabschnitt 8 mit dem anliegenden unteren Leiterabschnitt 9 von der Auflage 15 der Konsole 2 weggeschwenkt wird und der untere Leiterabschnitt 9 nach einem Überschreiten der vertikalen Überkopflage schwerkraftbedingt vom oberen Leiterabschnitt 8 wegschwenkt und vom oberen Leiterabschnitt 8 frei nach unten hängt. Wie der
Um den Ausstieg zu erleichtern, ist die Leiteranordnung im Bereich des oberen Endes der Leiter 3 mit wenigstens einem Griffholm 17 versehen, der frei drehbar auf der Lagerwelle 4 seitlich neben dem oberen Leiterabschnitt 8 gelagert ist, um aus einer abgeschwenkten Ruhelage gemäß der
Claims (5)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50931/2014A AT516030B1 (en) | 2014-12-19 | 2014-12-19 | conductor arrangement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3034774A1 true EP3034774A1 (en) | 2016-06-22 |
EP3034774B1 EP3034774B1 (en) | 2018-01-10 |
Family
ID=54540863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15192999.9A Active EP3034774B1 (en) | 2014-12-19 | 2015-11-04 | Ladder assembly |
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Country | Link |
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EP (1) | EP3034774B1 (en) |
AT (1) | AT516030B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12054989B1 (en) * | 2020-05-11 | 2024-08-06 | Timpte Industries, Inc. | Dock swimming ladder |
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US4068770A (en) | 1976-05-27 | 1978-01-17 | Mcdonnell Douglas Corporation | Foldable inclined multi-section ramp actuation system |
EP0458156A2 (en) * | 1990-05-23 | 1991-11-27 | MAN GHH Schienenverkehrstechnik GmbH | Folding multiple step stair for railway vehicles |
US5148889A (en) * | 1991-09-30 | 1992-09-22 | Joyce/Streater Inc. | High level package retrieval system |
JPH05256078A (en) | 1992-03-12 | 1993-10-05 | Nissan Shatai Co Ltd | Ladder device stored in ceiling |
JP2975935B1 (en) * | 1998-09-14 | 1999-11-10 | 阿南電機株式会社 | Ladder equipment |
US20130092474A1 (en) | 2011-10-12 | 2013-04-18 | Michael William Magnussen | Ladder assembly for equipment |
AT514066B1 (en) * | 2013-07-09 | 2014-10-15 | Anton Dallinger | ladder |
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JPH041842U (en) * | 1990-04-18 | 1992-01-09 | ||
AUPS040402A0 (en) * | 2002-02-08 | 2002-03-07 | Hedweld Engineering Pty Ltd | Foldable access device |
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2014
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JP2975935B1 (en) * | 1998-09-14 | 1999-11-10 | 阿南電機株式会社 | Ladder equipment |
US20130092474A1 (en) | 2011-10-12 | 2013-04-18 | Michael William Magnussen | Ladder assembly for equipment |
AT514066B1 (en) * | 2013-07-09 | 2014-10-15 | Anton Dallinger | ladder |
Cited By (1)
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US12054989B1 (en) * | 2020-05-11 | 2024-08-06 | Timpte Industries, Inc. | Dock swimming ladder |
Also Published As
Publication number | Publication date |
---|---|
AT516030A4 (en) | 2016-02-15 |
EP3034774B1 (en) | 2018-01-10 |
AT516030B1 (en) | 2016-02-15 |
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