EP1522673B1 - Leiter mit einem zentralen Holm - Google Patents

Leiter mit einem zentralen Holm Download PDF

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Publication number
EP1522673B1
EP1522673B1 EP04077730A EP04077730A EP1522673B1 EP 1522673 B1 EP1522673 B1 EP 1522673B1 EP 04077730 A EP04077730 A EP 04077730A EP 04077730 A EP04077730 A EP 04077730A EP 1522673 B1 EP1522673 B1 EP 1522673B1
Authority
EP
European Patent Office
Prior art keywords
rungs
ladder
central upright
upright
central
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.)
Expired - Lifetime
Application number
EP04077730A
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English (en)
French (fr)
Other versions
EP1522673A1 (de
Inventor
Pascal Szymkowicz
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.)
New Technelec SA
Original Assignee
New Technelec SA
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 New Technelec SA filed Critical New Technelec SA
Publication of EP1522673A1 publication Critical patent/EP1522673A1/de
Application granted granted Critical
Publication of EP1522673B1 publication Critical patent/EP1522673B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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

Definitions

  • the present invention relates to a fixed ladder with central upright.
  • This type of scale is particularly useful for access, generally infrequently and for technical reasons, to places of difficult or dangerous access, eg facades, antenna masts, in particular GSM antennas, etc.
  • Patent documents DE 3445114 , EP 0214069 and US Patent 2330288 describe centrally mounted ladders with a slide adapted to receive the means for fixing the rungs. The steps can not, however, be reversibly fixed at any desired height along the post.
  • the document DE 3445114A1 shows a scale according to the preamble of claim 1.
  • the present invention provides a ladder according to claim 1 which is fixed with steps which can be reversibly fixed at variable heights.
  • a ladder according to claim 1 comprising a central upright provided with rungs extending on either side of said upright in which the upright integrates on the ladder side a slide adapted to receive the ladder fixing means .
  • a ladder with a central upright which comprises a safety rail.
  • the rail is provided with a plate on which can slide or roll vertically a fall prevention cart of known design. The user of the ladder is thus secured by an anti-fall trolley connected to a rail integrated to the amount of the ladder.
  • the steps can be moved vertically to thereby adapt to the configuration and the relief of the fixed ladder support. They can be quite removable. We provides for this purpose, in the central upright, and the opposite side of the aforementioned flat, a slide in which the rungs are fixed.
  • this slideway would also make it possible to insert bolt heads, for example M10, to fix the ladder on the support by means of a flange.
  • the rungs provided, perpendicular to this amount, preferably have a full triangular or trapezoidal inverted shape. They can be formed by folding a stainless steel or aluminum surface. The surface is triangular or trapezoidal, the edge of the longer side being folded to make it perpendicular, and advantageously folded a second time at a different distance, to form the support surface of the user's feet. This surface can be covered with a non-slip material.
  • the rungs can protrude from each side of the rail, but also extend alternately on one side and then on the other, staggered.
  • the ends of the rungs may have lugs or abutments formed by straightening (folding) of two protrusions provided in one piece with said triangular or trapezoidal surfaces.
  • two holes are provided in the triangular or trapezoidal surface to pass bolts, for example two bolts M10, whose head is placed in the slide, and which will fix the rung by two corresponding nuts.
  • the steps between the steps can be adjusted for example from 225 to 300 mm while respecting the ISOEN14122-4 standard.
  • the rungs are also adjustable in height to allow a shift thereof if an obstacle occurs during assembly.
  • These may be flanges, an anchor flange fixing GSM antennas, ducts, tubes or ducts, etc.
  • the slide can also be used to fix with bolts the flanges or fasteners to the support (antenna, etc.).
  • the complete scale is assembled by the superposition and joining of several segments of central uprights.
  • the Fig. 1 represents a scale segment according to the invention comprising 3 steps.
  • the Fig. 2 represented a scale segment comprising another embodiment of the steps.
  • the Fig. 3 represents a cross section of the amount.
  • the Fig. 4 represents the scale of the Fig. 1 view from the opposite side.
  • the Fig. 5 represents the scale seen on the slice.
  • the Fig. 1 represents a ladder according to the invention seen in elevation on the ladder side.
  • the rungs comprise a trapezoidal vertical surface 33 and a support surface 4 perpendicular to the scale, with a flange 4 'extending downwards. These surfaces 4 and 4 'can be obtained by folding and folding the upper edge of a step surface 33.
  • the surface 4 can be coated with a non-slip material.
  • the Fig. 2 represents a 3-step scale segment comprising another embodiment of the rungs, these run alternately on one side and then the other of the central upright. It will be understood that in general it is also possible to associate ladder segments with complete rungs according to the Fig. 1 and rungs each extending on either side of the central upright. This makes it possible to better adapt to the irregularities of the support.
  • the Fig. 3 illustrates a cross section of the amount of the ladder and thus shows the channel of the slide 7 and the flat 8, opposite, forming with 9 a rail on which can slide or roll a safety carriage not shown.
  • An example of such a trolley is described in the document EP 1,253,280 .
  • the Fig. 4 is a side view of the scale. We distinguish the surfaces 9, 10, 11 of the profile of the Fig. 3 . A flange 12 secured by a bolt 66 has been added.
  • the Fig. 5 is a scale view of the opposite side of the rungs.
  • an anchoring piece 12 is shown to support the ladder, held by a bolt 66 whose head is also in the slideway 7.

Landscapes

  • Ladders (AREA)

Claims (9)

  1. Leiter (1) bestehend aus einem zentralen PfosLen (2) mit mindestens drei Sprossen (3), die sich beidseitig des besagten Pfostens (2) erstrecken, wobei jede Sprosse (3) mit einem Mittel zur Befestigung an dem zentralen PfosLen (2) versehen ist, und wobei der besagte Pfosten zu den Sprossen hin eine Gleitschiene (7) umfasst, welche die besagten Mittel zur Befestigung der Sprüngen aufnehmen kann, und wobei die Höhe der Sprossen (3) entlang des zentralen Pfostens (1) verstellbar ist, dadurch gekennzeichnet dass die Sprossen mit Hilfe ihrer Befestigungsmittel in der Gleitschiene, in jeder beliebigen Höhe, entlang des zentralen Pfostens lösbar fixiert werden können.
  2. Leiter nach dem vorangegangenen Anspruch, dadurch gekennzeichnet, dass der zentrale Pforten auf der der Gleitschiene entgegen gesetzten Seite eine Sicherheitsschiene (8, 9) aufweist, auf der sich ein sturzgeschützter Wagen bewegen kann.
  3. Leiter nach irgendeinem der vorangegangener Anspruche, dadurch gekennzeichnet, dass die Sprossen (3) die Form eines gekippten Dreiecks bzw. Trapezes aufweisen.
  4. Leiter nach irgendeinem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass sie an einem Träger, wie zu Beispiel an einer Antenne mit Flanschen bzw. Verankerungsteilen (12) befestigt ist.
  5. Leiter nach irgendeinem der vorangegangener Ansprüche, dadurch gekennzeichnet, dass sie mehrere Segmente aufweist, die mit zentralen Pfosten verbunden sind.
  6. Leiter nach irgendeinem der vorangegangenen Anspruche, dadurch gekennzeichnet, dass die Sprossen durch Fallen einer metallischen Fläche, zum Beispiel aus rostfreiem Stahl oder aus Aluminium hergestellt werden, wobei die besagte Flache im wesentlichen dreieckig oder trapezförmig ist, wobei der Rand an der größeren Seite gefaltet wird, damit er senkrecht orientiert, ist, und ein zweites Mal im unterschiedlichen Abstand des besagten Randes, parallel gefaltet wird, um die Tragfläche (4) der Sprosse zu bilden.
  7. Leiter nach irgendeinem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass mindestens eine Sprosse an einem Ende einen oder zwei vorsprungformigen Randanschläge (5) aufweist.
  8. Leiter nach irgendeinem der vorigen Anspruche, dadurch gekennzeichnet, dass sich jede Sprosse alternativ an einer und dann an der anderen Seite des zentralen Pfostens erstreckt.
  9. Leiter nach irgendeinem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass sie Sprossen ausweist, die sich an den beiden Seiten erstrecken, und Sprossen, die sich nur an einer Seite des zentralen Pfostens erstrecken.
EP04077730A 2003-10-10 2004-10-06 Leiter mit einem zentralen Holm Expired - Lifetime EP1522673B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE200300533 2003-10-10
BE200300533 2003-10-10

Publications (2)

Publication Number Publication Date
EP1522673A1 EP1522673A1 (de) 2005-04-13
EP1522673B1 true EP1522673B1 (de) 2008-05-21

Family

ID=34280665

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04077730A Expired - Lifetime EP1522673B1 (de) 2003-10-10 2004-10-06 Leiter mit einem zentralen Holm

Country Status (3)

Country Link
EP (1) EP1522673B1 (de)
AT (1) ATE396320T1 (de)
DE (1) DE602004013898D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104153706B (zh) * 2014-07-31 2016-01-20 南京九致信息科技有限公司 一种用于通信塔可拆卸式的爬梯
CN105317369B (zh) * 2015-10-08 2017-03-01 王广宁 采摘梯

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2330288A (en) * 1942-11-10 1943-09-28 Earl H Hurley Portable climber
DE3445114A1 (de) * 1984-12-11 1986-06-12 Alfons 6670 St Ingbert Sprunck Leiter mit einem holm
FR2585402B1 (fr) * 1985-07-23 1987-12-18 Pechiney Aluminium Echelle de mat
DE8706588U1 (de) * 1987-05-07 1987-08-13 Soell Industrieschmiede Gmbh, 8670 Hof Steigleiter
DE9210294U1 (de) * 1992-07-31 1993-12-02 Söll GmbH, 95028 Hof Vorrichtung zur Befestigung eines schienenförmigen Bauelements an einem Winkelprofil

Also Published As

Publication number Publication date
EP1522673A1 (de) 2005-04-13
DE602004013898D1 (de) 2008-07-03
ATE396320T1 (de) 2008-06-15

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