EP1772570B1 - Escalier transformable en passerelle - Google Patents

Escalier transformable en passerelle Download PDF

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Publication number
EP1772570B1
EP1772570B1 EP05405575A EP05405575A EP1772570B1 EP 1772570 B1 EP1772570 B1 EP 1772570B1 EP 05405575 A EP05405575 A EP 05405575A EP 05405575 A EP05405575 A EP 05405575A EP 1772570 B1 EP1772570 B1 EP 1772570B1
Authority
EP
European Patent Office
Prior art keywords
stairway
tread
railing
tread elements
posts
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.)
Active
Application number
EP05405575A
Other languages
German (de)
English (en)
Other versions
EP1772570A1 (fr
Inventor
Eduard Vögtli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Obrist Baugerate AG
Original Assignee
Obrist Baugerate AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Obrist Baugerate AG filed Critical Obrist Baugerate AG
Priority to EP05405575A priority Critical patent/EP1772570B1/fr
Priority to AT05405575T priority patent/ATE428832T1/de
Priority to DE502005007101T priority patent/DE502005007101D1/de
Publication of EP1772570A1 publication Critical patent/EP1772570A1/fr
Application granted granted Critical
Publication of EP1772570B1 publication Critical patent/EP1772570B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/04—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible
    • E04F11/06—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
    • E04F11/025—Stairways having stringers
    • E04F11/0255—Stairways having stringers having adjustable gradient
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/15—Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/28—Scaffolds primarily resting on the ground designed to provide support only at a low height
    • E04G1/30—Ladder scaffolds
    • 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
    • E06C1/387—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 having tip-up steps
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/002—Ramps
    • E04F2011/005—Ramps collapsible, e.g. folding, telescopic

Definitions

  • the invention relates to a staircase, arranged with several at regular intervals between two laterally spaced apart longitudinal beams, with respect to continuously adjustable pitch angle of the stairs each having a horizontal tread having tread elements, which are adjustable together from a stair position in a runway or a web forming plane and back , wherein the tread elements are pivotally mounted about an axis extending at right angles to the longitudinal members and at one lateral end have a connecting web connecting the tread elements to a switching rod of an adjusting device and designed as a lever.
  • the DE 198 58 550 A2 discloses a reusable staircase with several horizontal treads. This staircase is composed of several stair modules, each consisting of a tread between each two parallel rail parts. The Holmenmaschine in turn are rotatably mounted and have the same distances from each other. Their ends are formed with plug-in coupling profiles.
  • a similar design of a staircase provides the DE-utility model 88 08 580.5, in which the steps between two-piece stair stringers are pivotally mounted and attached to the stair stringers railing.
  • the pre-published DE 198 07 506 C1 relates to a staircase, in particular a staircase, with the features of the preamble of claim 1.
  • the WO 851017669 A describes an adjustable staircase, which consists of two lateral stair stringers, which are rigidly connected, and which has a plurality of treads, which are pivotally mounted at their ends and connected by an arm with a common operating rod.
  • This staircase can not be converted into a running or moving walkway but as a rising / falling flat ramp.
  • the DE 41 00 921 A1 relates to a catwalk for creating a walkable connection between two structures, in particular between a ship and a quay wall of the two laterally spaced apart spars and a tread provided between them.
  • the SE 373 903 B discloses a pitch-adjustable staircase with railing that is convertible into a walkway or walkway
  • the WO 98145567 describes a multipurpose work plank with fold-out stairs or ladder steps, which can be set up at one end by means of support rods
  • the US Pat. No. 6,923,140 B1 provides a convertible into a ramp, pivoting about a vertical axis stairs to overcome a height difference for people and boats.
  • the object of the present invention is to provide a staircase of the type mentioned, which is simple and versatile, has high security, stability and resilience, easy to transport and operate and can be used to overcome obstacles.
  • a staircase version of this type allows a universal Use in any angle to optimal conditions and can be easily converted into a web or the like. Special instructions for installation and use are not required. Moreover, such a device conveys a high sense of security. A device of this type can be easily set up storage, transportation and / or at the point of use.
  • the proposed staircase can be placed without restriction in different angles of attack and is therefore adaptable to different circumstances, without loss of safety and functionality.
  • the tread elements are adjustable together from a stair position in a flat running or moving bridge
  • the stair elements are pivotally mounted about a perpendicular to the longitudinal members extending axis and at least one lateral end connecting the tread elements with a shift rod of an adjustment, as a lever have trained connecting web of a lever mechanism.
  • the tread elements are formed pivotable through 90 °, so that they resp. As stairs or as a running resp. Walking or driving bridge are usable.
  • tread elements are adjustable from a vertical position of the treads in a position parallel to the longitudinal members.
  • the spindle drive is drivingly connected to the shift rod of the adjusting device, so that a direct-acting drive connection is formed, in which the spindle drive proves to be a self-locking device, whereby the tread elements are locked in any relative position to the longitudinal members.
  • this is advantageously aligned approximately parallel to a longitudinal member.
  • the spindle drive is formed by a threaded sleeve and a threaded rod connected thereto, which are each selectively connected to the shift rod or attached to a side member.
  • the spindle drive can be designed for manual or motorized actuation of the threaded spindle or the threaded sleeve.
  • a hand crank which is connected to the spindle drive.
  • the spindle drive could also be driven by a hand drill via a positive connection.
  • the stairs according to the invention resp. the runway is provided on at least one side along a side member and provided with a plurality of posts, preferably arranged at regular intervals, and a handrail, the posts being attached to tread elements, so that the railing can be used in the formation of stairs or stairs a catwalk is raised and is pivoted back to a non-operating position when moving.
  • the posts are each attached to the rear end of a tread element.
  • the posts extend in the out of service position of the railing above the standing perpendicular to the longitudinal members tread elements in a plane, they are advantageous at the lower end, respectively.
  • the tread element facing the end formed with an angled portion.
  • the posts on the end remote from the tread element with the handrail pivotally connected, so that the handrail runs in each position of the device parallel to the longitudinal members.
  • Fig. 1 shows a trained from steel or light metal staircase device 1 with adjustable tread elements 2, which are arranged in the direction of desire at regular intervals between two parallel side members 3, 4.
  • the longitudinal members 3, 4 have a C-shaped cross-sectional profile and are separated by four spaced spacers 5 (see Fig. 2 ) so that they form a stable support device 6.
  • the tread elements 2 have a tread 8 formed by gratings 7 and are at the lateral ends with a connecting web 9 trained. Of course, the tread elements 2 could also have a non-perforated tread 8.
  • the tread elements 2 are pivotally mounted about a right-angled axis 26 to the longitudinal members 3, 4, for which purpose in each case a mounted on the tread element 2 bearing pin 10 is provided which passes through a matching hole in the edge region of the side members 3, 4.
  • the tread elements 2 are formed at a distance from the bearing pin 10 with another, with the bearing pin 10 forming a lever pin 11, in which parallel to a longitudinal member 3, 4, a shift rod 12 superimposed, which connects the pins 11.
  • two shift rails 12 are shown, one on each side of the stairs, with a shift rod 12 would be sufficient for use.
  • the shift rod 12 is part of an adjusting device 13, which forms a plurality of lever mechanism with the connecting webs 9 of the tread elements 2, so that the tread elements 2 can be adjusted together with the / the shift rod / n 12.
  • the tread elements 2 are pivotable through 90 °, so that the device 1 is to be used as a staircase or as a level bridge, where it can have a pitch between 0 ° to 90 ° as a staircase, ie, the tread elements 2 can from a vertical position Treads 8 are adjusted to the side rails 3, 4.
  • the illustrated adjusting device 13 has a spindle drive 14 for adjusting the tread elements 2.
  • the spindle drive 14 is connected to a shift rod 12 (see Fig. 1 and 3 ).
  • a joint 15 which connects the shift rod 12 with the spindle drive 14.
  • the latter consists of a threaded sleeve 16 and an adjustable in this by turning threaded spindle 17, which is surrounded by a protective tube 18.
  • the threaded spindle 17 is fixedly mounted in a frame 19 attached to the longitudinal member 3, 4.
  • the drive of the threaded spindle 17 by means of a hand crank 20 which is connected to the threaded spindle 17.
  • the tread elements 2 are adjusted together by being pivoted by means of bearing journals 10 on the longitudinal members 3, 4.
  • the tread elements 2 can be at any angle of the side members 3, 4 resp. the support frame formed by the latter 6 put in a position resp.
  • Fig. 4 illustrates the device 1 as a running or moving bridge, in which the tread elements 2 form a flat tread. In comparison with Fig. 1 is in Fig. 4 to recognize that the threaded spindle 17 is screwed deeper into the threaded sleeve 16.
  • the arranged on both sides of the web railing 23 is raised to maximum height and the posts 21 are perpendicular to the Trittresp. Wings of the tread elements 2 resp. perpendicular to the tread of the web.
  • the railing 23 can be optimally used in terms of height in the staircase position, the posts 21 are attached with rising stairs respectively at the rear end of the tread elements 2, respectively. attached with rising stairs each at the laterally rear end of a Trittelmentes 2.
  • the railing 23 has a handrail 22 which is pivotally connected to the upper ends of the posts 21.
  • the posts 21 are both in the stair position and the web perpendicular to the treads 8.
  • the distribution of posts 21 on the tread elements 2 is present irregular, ie, in an intermediate region of the device 1 via two tread elements 2 two posts 21 are used, however the adjoining areas with four tread elements 2 claim two posts 21. So that over the entire length of the device 1 railing 23 can be used, the last tread element 2 of the device 1 is equipped with an additional post 29, which is attached to the opposite end of the last tread element 2.
  • This subsequent, rectangular and inherently immovable railing element 27 is located at the upper end of the provided as a staircase device 1 and has by a the post 29 fastened handrail 28 has a rectangular shape, which changes only in their position with respect to railing 23 and side rails 3, 4. Fig.
  • the device 1 in the folded state, wherein the upper end of the staircase 27 is easily recognizable by the railing element.
  • four towing devices 30, two each on each side are attached opposite one another and at a uniform distance from one another on the longitudinal members 3, 4.
  • the device 1 takes neither storage nor transport unused space to complete.
  • the device 1 is lying, in the folded form a plane that is suitable during transport or otherwise for storing other items.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Steps, Ramps, And Handrails (AREA)
  • Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Handcart (AREA)
  • Escalators And Moving Walkways (AREA)
  • Ladders (AREA)

Claims (11)

  1. Escalier, avec plusieurs marches (2), qui sont disposées à intervalles réguliers entre deux longerons (3, 4) latéralement distants, qui présentent chaque fois un plan de marche horizontal (8) relativement à l'angle de pente réglable en continu de l'escalier et qui peuvent être déplacées d'une position d'escalier en un surface plane formant une passerelle, et vice-versa, sachant que les marches (2) sont montées à pivotement autour d'un axe (26) s'étendant perpendiculairement aux longerons (3, 4) et présentent, à une extrémité latérale, un élément de liaison (9) réalisé sous forme de levier qui relie les marches (2) à une tringle de sélection (12) d'un dispositif de déplacement (13), caractérisé par au moins un garde-corps unilatéral (23) formé de montants (21), fixés latéralement à espacements sur des marches (2), et d'une main courante (22), sachant que les montants (21) et le plan de marche (8) des marches (2) forment chaque fois un angle droit, et que les montants (21) sont respectivement fixés, considéré dans la direction de la pente de l'escalier, à l'extrémité arrière d'une marche (2).
  2. Escalier selon la revendication 1, caractérisé en ce que les montants (21) présentent à l'extrémité inférieure une partie coudée (25).
  3. Escalier selon la revendication 1 ou 2, caractérisé en ce que les montants (21) sont assemblés à pivotement à la main courante (22).
  4. Escalier selon l'une des revendications 1 à 3, caractérisé en ce qu'une dernière partie de garde-corps, considéré dans la direction de la pente de l'escalier, est formée par un élément de garde-corps (27) fixé sur la dernière marche (2) et présentant un montant (29), élément qui est assemblé au garde-corps (23).
  5. Escalier selon la revendication 4, caractérisé en ce que l'élément de garde-corps (27) présente une forme rectangulaire qui ne peut pas être modifiée par le montant de raccordement (21) du garde-corps (23), et il est assemblé à pivotement au garde-corps (23).
  6. Escalier selon l'une des revendications 1 à 5, caractérisé en ce que l'axe de pivotement (26) est disposé environ centralement sur la profondeur de la marche (2).
  7. Escalier selon l'une des revendications 1 à 6, caractérisé en ce que les marches (2) peuvent pivoter à 90°.
  8. Escalier selon l'une des revendications 1 à 7, caractérisé en ce que le dispositif de déplacement (13) est réalisé sous la forme d'un entraînement à broche (14) relié à la tringle de sélection (12) du dispositif de déplacement (13).
  9. Escalier selon la revendication 8, caractérisé en ce que l'entraînement à broche (14) est formé par une douille filetée (16) d'une part, et par une broche filetée (17) assemblée à la douille d'autre part, qui sont au choix reliées à la tringle de sélection (12) ou fixées sur le longeron (3, 4).
  10. Escalier selon la revendication 9, caractérisé en ce que la broche filetée (17) ou respectivement la douille filetée (16) peut être entraînée manuellement ou par moteur.
  11. Escalier selon la revendication 9, caractérisé en ce que l'entraînement manuel de la broche filetée (17) ou respectivement de la douille filetée (16) est formé par une manivelle (20).
EP05405575A 2005-10-09 2005-10-09 Escalier transformable en passerelle Active EP1772570B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP05405575A EP1772570B1 (fr) 2005-10-09 2005-10-09 Escalier transformable en passerelle
AT05405575T ATE428832T1 (de) 2005-10-09 2005-10-09 In einen laufsteg umwandelbare treppe
DE502005007101T DE502005007101D1 (de) 2005-10-09 2005-10-09 In einen Laufsteg umwandelbare Treppe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05405575A EP1772570B1 (fr) 2005-10-09 2005-10-09 Escalier transformable en passerelle

Publications (2)

Publication Number Publication Date
EP1772570A1 EP1772570A1 (fr) 2007-04-11
EP1772570B1 true EP1772570B1 (fr) 2009-04-15

Family

ID=35769396

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05405575A Active EP1772570B1 (fr) 2005-10-09 2005-10-09 Escalier transformable en passerelle

Country Status (3)

Country Link
EP (1) EP1772570B1 (fr)
AT (1) ATE428832T1 (fr)
DE (1) DE502005007101D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106865458A (zh) * 2017-03-15 2017-06-20 高志鹏 一种选择倾斜的电力设备检修台

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2312082B1 (fr) 2009-10-19 2014-08-13 Obrist Baugeräte AG Escalier convertible en passerelle
EP2868835A1 (fr) 2013-11-05 2015-05-06 Obrist Baugeräte AG Escalier
CN104925259B (zh) * 2015-06-19 2018-01-30 中国航空工业集团公司西安飞机设计研究所 一种角度自适应梯子
CN108331370B (zh) * 2018-01-03 2024-02-06 广西建工集团第三建筑工程有限责任公司 一种可翻转的楼梯施工栈道
CN110388012B (zh) * 2019-08-19 2024-06-18 酷屋(山东)科技有限公司 组合式楼梯

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US298212A (en) * 1884-05-06 Gangway for ships
SE373903B (fr) * 1972-01-28 1975-02-17 R E Gustafsson
SE8305670L (sv) * 1983-10-14 1985-04-15 Ake Nyman Omstellbar trappa
DE8808580U1 (de) * 1988-07-05 1988-08-18 Losberger Gmbh & Co Kg, 7100 Heilbronn Höhenverstellbare Treppe mit Geländer
DE4100921A1 (de) * 1991-01-15 1992-07-16 Manfred Bacher Laufsteg
DE19714431C2 (de) * 1997-04-08 2002-03-28 Horst Laug Mehrzweck-Arbeitsdiele
DE19807506C1 (de) * 1998-02-21 1999-10-14 Josef Dirnreiter Treppe
DE19858550C2 (de) * 1998-12-18 2002-05-29 Norbert Brautferger Wiederverwendungsfähige Treppe
US6923140B1 (en) * 2004-03-03 2005-08-02 Aluminum Ladder Company Boat access stairway

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106865458A (zh) * 2017-03-15 2017-06-20 高志鹏 一种选择倾斜的电力设备检修台

Also Published As

Publication number Publication date
ATE428832T1 (de) 2009-05-15
DE502005007101D1 (de) 2009-05-28
EP1772570A1 (fr) 2007-04-11

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