EP2020481A1 - Modulare Dachleiter - Google Patents

Modulare Dachleiter Download PDF

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Publication number
EP2020481A1
EP2020481A1 EP08290658A EP08290658A EP2020481A1 EP 2020481 A1 EP2020481 A1 EP 2020481A1 EP 08290658 A EP08290658 A EP 08290658A EP 08290658 A EP08290658 A EP 08290658A EP 2020481 A1 EP2020481 A1 EP 2020481A1
Authority
EP
European Patent Office
Prior art keywords
ladder
roof
uprights
upright
finger
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.)
Withdrawn
Application number
EP08290658A
Other languages
English (en)
French (fr)
Inventor
Eric Sta
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.)
Tubesca SA France
Original Assignee
Tubesca SA France
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 Tubesca SA France filed Critical Tubesca SA France
Publication of EP2020481A1 publication Critical patent/EP2020481A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
    • E06C1/345—Ladders attached to structures, such as windows, cornices, poles, or the like specially adapted to be installed parallel to the roof surface
    • 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
    • E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
    • E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
    • E06C1/10—Sections fitted end to end
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/08—Special construction of longitudinal members, or rungs or other treads
    • E06C7/082—Connections between rungs or treads and longitudinal members
    • E06C7/083—Bracket type connection

Definitions

  • the invention relates to a modular roof ladder.
  • the invention aims to remedy this drawback and proposes a metal roof ladder, characterized in that it comprises at least one simple ladder element comprising at least two profiled metal uprights, for example aluminum, and parallel rungs attached to said uprights and forming a footrest for an operator climbing the ladder on a roof, said uprights being provided at their ends with complementary assembly parts by which a ladder element is capable of being assembled with at least one other element scale thus forming a roof ladder adapted in length to the roof to be climbed.
  • Said metal profile uprights are rigid and allow the connection of several scale elements in length with a firm holding of an operator in service on a roof, while allowing a slight bending flexibility to adapt to the profile of the roof.
  • Said profiled uprights are advantageously of section comprising two opposite planar or near faces, one of which is provided with members of adherent pads or strip and the opposite face carries the rungs, said pad elements being intended to rest on the roof.
  • Each of said uprights may comprise two male and female assembly parts, one at each of its ends, respectively, a male assembly part of a ladder element engaging in a female assembly part of another scale element.
  • the locking of the assembly of two scale elements is ensured by at least one hook element, for example of the type adapted to pass through said set assembly parts with little clearance and to be disengaged therefrom for their separation.
  • Said hook element is advantageously articulated to a said connecting part so as to be “captive” unlike a pin for example, and it preferably comprises two end elastic side cheeks capable of engaging resilient and reversible on the wall of the assembly part of the upright of another ladder element, thus making it easy to quickly engage and release the hook element clipping on the upright.
  • the rungs are also preferably profiled metal elements, for example aluminum, having an upper notched footrest disposed substantially perpendicular to the plane of the uprights, an upper edge at the upper end of the footrest face, preferably rounded and notched, and a lower knee-rest face disposed with a low angular inclination from bottom to top relative to the plane of the uprights and allowing the operator's knees to comfortably rest on the ladder.
  • profiled metal elements for example aluminum, having an upper notched footrest disposed substantially perpendicular to the plane of the uprights, an upper edge at the upper end of the footrest face, preferably rounded and notched, and a lower knee-rest face disposed with a low angular inclination from bottom to top relative to the plane of the uprights and allowing the operator's knees to comfortably rest on the ladder.
  • Said rungs are advantageously fixed to the uprights of the ladder elements by means of identical lateral joining pieces, resulting from molding of synthetic material, plastic material, for example, and comprising at their lower level a projecting skate element protruding, elastomeric material or rubber for example, intended to bear on the roof.
  • Said lateral joining pieces preferably each comprise an insole portion provided on one of its faces with a recess complementary to the section of the upright to receive it with a small clearance and provided on the opposite face of said support pad element.
  • a finger adapted to be threaded with little clearance in the complementary hollow end of the rung (resulting from extrusion for example), a lateral wing connecting the sole and the finger part, and a screw intended to be mounted through said shoe member, said sole, upright, step and finger portion and clamped between the sole portion and the finger to connect the step to the amount possibly by a spacer member between the upright and the step .
  • the step is in direct contact with the amount being tightened on the latter by said connecting screw.
  • the rigidity of the perpendicular connection of the step to the amount can be consolidated at certain points of the scale by rods arranged at the angle of the rung and the amount and connecting at right angles thereof.
  • a roof ladder 1 according to the invention comprises identical ladder elements 3, two of which are shown, ready to be assembled longitudinally to one another (according to arrow), to form a roof ladder 1 whose length is suitable for a building roof, house or other, for an operator climbing the ladder attached to the roof.
  • Each ladder element 3 comprises two parallel metallic profiled uprights 5, of aluminum alloy for example, parallel and parallel rungs 7 identical to each other, also made of metal, made of aluminum alloy for example and fixed perpendicularly. to said amounts 5.
  • the ladder elements 3 may be of variable length, for example from 0.8 to 2m, the rungs 7 being positioned at a constant distance from each other on the uprights 5, for example from 0 2m.
  • the ladder elements 3 each comprise at the ends of the uprights 5 complementary assembly parts 9a, 9b through which they are connected to one another ( Figures 2a and 2b ).
  • the female assembly portion 9b can be derived from a simple cut ( figure 2a ) of the hollow post tube 5 (from extrusion) and the male assembly part can be formed with volume reduction (by press for example) in a manner complementary to the hollow recess of the male part 9a, along the length fitting.
  • the male assembly portion 9a may comprise, according to an alternative embodiment, a shaped or nipple insert piece (not shown) fixed in the hollow end recess of the upright and anchoring in the same manner as above in the female assembly part 9b.
  • the hook elements 11 are articulated each on the male portion 9a assembly of the amount of the ladder element, on the upper face thereof (opposite the bearing surface on the roof).
  • each comprise a lug 13 at their end, arranged perpendicular to their body plate 15 and adapted to cross by folding in the operating position by a suitable complementary hole 17 the male assembly portion 9a of the amount of the ladder element assembled and the female assembly portion 9b of the amount of the other assembled ladder element.
  • the amounts 5 are tubes of the same length and flattened section. Their side walls 21 are rounded and their flat faces 23 are opposite to each other.
  • Steps 7 are also tubes of the same length and of substantially rectangular or square cross-section except for a lower rear corner portion 25 (relative to the position of the ladder on the roof) which is tilted (raised) from the rearward relative to the plane of the amounts of 30 to 60 ° angle to form a bearing surface of the operator's knees on the scale.
  • the upper footrest face 27 perpendicular to the plane of the uprights 5 is notched to promote the adhesion of the operator's feet to the step 7, and likewise the upper edge 29 to the upper end of the face rests feet 27.
  • the rungs 7 are fixed to the uprights 5 by means of identical lateral joining pieces 31 ( Figures 4a and 4b ) mounted on each of the uprights 5 at the end of each of the rungs 7.
  • the assembly parts 31 are derived from relatively rigid plastic molding (plastic material), with a lower level skate element 33 made of elastomer (two-component molding of the part) intended to bear under the roof.
  • each comprise an insole part 35 of which the recess 37 receives the underside of the low-clearance upright 5, opposite the pad element 33, a lateral wing 39 bordering vertically the inner side wall of the upright 5 and provided at its upper end with a finger 41 also derived from molding with the wing, perpendicular to it and adapted to engage in fitting in the step 7 by its end recess.
  • a screw 43 is mounted therethrough in the shoe member 33, the sole portion 35, the upright 5, the end of the step 7 and the finger 41 in which it engages with a locking nut 45 inserted. in a complementary recess 47 thereof. This screw 43 thus firmly connects the step 7 to the amount 5 ( figure 4b ).
  • the pad elements 33 may be replaced by elements of continuous or discontinuous adhesive band (not shown), resting on the roof in service.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
EP08290658A 2007-08-03 2008-07-04 Modulare Dachleiter Withdrawn EP2020481A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0705692A FR2919660B1 (fr) 2007-08-03 2007-08-03 Echelle de toit modulaire.

Publications (1)

Publication Number Publication Date
EP2020481A1 true EP2020481A1 (de) 2009-02-04

Family

ID=39178603

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08290658A Withdrawn EP2020481A1 (de) 2007-08-03 2008-07-04 Modulare Dachleiter

Country Status (2)

Country Link
EP (1) EP2020481A1 (de)
FR (1) FR2919660B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010014024U1 (de) 2010-10-08 2010-12-09 Himmelsbach Leitern- & Gerüstefabrik GmbH Leiterelement, insbesondere für eine Dachleiter
WO2012127192A1 (en) * 2011-03-22 2012-09-27 Easi-Dec Access Systems Limited Roof access arrangements
CN110886575A (zh) * 2018-09-11 2020-03-17 中国石油天然气股份有限公司 立柱、扶梯及平台
CN113530425A (zh) * 2021-06-21 2021-10-22 新疆通奥油田技术服务有限公司 车载折叠梯及车辆
FR3116855A1 (fr) * 2020-12-02 2022-06-03 Izypente Dispositif de jonction pour raccorder deux elements longilignes, et son utilisation notamment pour une echelle de couvreur

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT2233681E (pt) 2009-03-27 2011-09-30 Macc Escada modular de tecto

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1520414A (en) * 1922-11-20 1924-12-23 Don A Hamilton Ladder
DE598907C (de) * 1934-06-21 Anton Fromm Gleitschutz fuer Dachleitern
BE902871A (fr) * 1985-07-12 1985-11-04 Sternotte Francis F A Profile pour la realisation d'echelle de toit echelle de toit obtenue et dispositif de retenue et de fixation d'une telle echelle

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2755981A (en) * 1952-10-01 1956-07-24 Omer H Edwards Roof ladder
US2900041A (en) * 1957-06-28 1959-08-18 Cyril E Leavitt Sectional ladders
DE7017578U (de) * 1970-05-12 1970-08-13 Hoffmann Helmut Leiter.
US4049082A (en) * 1975-12-09 1977-09-20 Daymond Limited Structural member for a structural frame
DE3305342A1 (de) * 1983-02-17 1984-08-23 Wolfgang 7958 Laupheim Baumann Begehbares geruestelement
JPH0953323A (ja) * 1995-08-10 1997-02-25 Alinco Inc 足場部材の接続装置及び抜け止め具
US6092624A (en) * 1999-10-22 2000-07-25 Slater; Carl Ladder
FR2893966B1 (fr) * 2005-11-30 2009-03-27 Echelles Neressy Soc Par Actio Echelle de toit.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE598907C (de) * 1934-06-21 Anton Fromm Gleitschutz fuer Dachleitern
US1520414A (en) * 1922-11-20 1924-12-23 Don A Hamilton Ladder
BE902871A (fr) * 1985-07-12 1985-11-04 Sternotte Francis F A Profile pour la realisation d'echelle de toit echelle de toit obtenue et dispositif de retenue et de fixation d'une telle echelle

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010014024U1 (de) 2010-10-08 2010-12-09 Himmelsbach Leitern- & Gerüstefabrik GmbH Leiterelement, insbesondere für eine Dachleiter
WO2012127192A1 (en) * 2011-03-22 2012-09-27 Easi-Dec Access Systems Limited Roof access arrangements
US9556674B2 (en) 2011-03-22 2017-01-31 Easi-Dec Access Systems Limited Roof access arrangements
CN110886575A (zh) * 2018-09-11 2020-03-17 中国石油天然气股份有限公司 立柱、扶梯及平台
CN110886575B (zh) * 2018-09-11 2024-10-29 中国石油天然气股份有限公司 立柱、扶梯及平台
FR3116855A1 (fr) * 2020-12-02 2022-06-03 Izypente Dispositif de jonction pour raccorder deux elements longilignes, et son utilisation notamment pour une echelle de couvreur
CN113530425A (zh) * 2021-06-21 2021-10-22 新疆通奥油田技术服务有限公司 车载折叠梯及车辆

Also Published As

Publication number Publication date
FR2919660A1 (fr) 2009-02-06
FR2919660B1 (fr) 2012-12-14

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