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EP2599937B1 - Device for working at height easily and safely in a straight or spiral staircase - Google Patents

Device for working at height easily and safely in a straight or spiral staircase Download PDF

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Publication number
EP2599937B1
EP2599937B1 EP12194332.8A EP12194332A EP2599937B1 EP 2599937 B1 EP2599937 B1 EP 2599937B1 EP 12194332 A EP12194332 A EP 12194332A EP 2599937 B1 EP2599937 B1 EP 2599937B1
Authority
EP
European Patent Office
Prior art keywords
ladder
height
platform
order
feet
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
Application number
EP12194332.8A
Other languages
German (de)
French (fr)
Other versions
EP2599937A1 (en
Inventor
Alain Marion
Olivier Lugon
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2599937A1 publication Critical patent/EP2599937A1/en
Application granted granted Critical
Publication of EP2599937B1 publication Critical patent/EP2599937B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • E04G1/36—Scaffolds for particular parts of buildings or buildings of particular shape, e.g. for stairs, cupolas, domes
    • 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
    • E04G1/36—Scaffolds for particular parts of buildings or buildings of particular shape, e.g. for stairs, cupolas, domes
    • E04G1/365—Scaffolds for particular parts of buildings or buildings of particular shape, e.g. for stairs, cupolas, domes specially adapted for staircases or stairs
    • 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
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/08—Scaffold boards or planks
    • 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
    • E06C7/44—Means for mounting ladders on uneven ground

Definitions

  • the present invention relates to a device for easily working height in a straight or rotating staircase.
  • the device according to the invention aims to remedy these disadvantages. It consists of two sliding trays one inside the other, an articulated ladder attached to the upper plate and a removable guard.
  • the ladder is fixed on a turntable that rotates on its central axis, which allows to steer his feet at different angles to place them ideally on a step in the bottom of a winding staircase. Once the position is found, a pin passing through the edge of the plate blocks the plate in its thickness pierced with several holes.
  • a crutch adjustable in height, can be fixed on one of the feet of the ladder so as to reinforce the balance of the whole.
  • the amounts of the scale are for example telescopic, which allows to vary the height.
  • the ladder can be folded under the tray to facilitate the movement and transport of the whole.
  • the lower plate is placed directly on a step at the top of the stairs. It can slide in the upper plate to vary the length of the assembly. According to a variant not shown, there is a single plate with one end directly on a step at the top of the stairs. An additional ladder can be fixed at its end so as to increase the height of the assembly.
  • a guard can be engaged on both trays in holes provided for this purpose. It consists of four parts that can be assembled and its rods are telescopic.
  • this device In folded mode, scale, trays and guardrail, this device is light, compact, easy to handle and transportable even in a small vehicle.
  • the device comprises two sliding plates one in the other, the upper plate (1) and the lower plate (2).
  • the ladder (3) under the upper plate (1) is fixed on a plate (4) which rotates on its central axis. This makes it possible to orient the feet of this ladder at different angles to place them adequately on a step at the bottom of a winding staircase.
  • the plate (4) is pierced with several holes in its thickness. The position being found, a pin (5) blocks the plate (4) through the edge of the plate (1) and entering one of the holes.
  • a jack (6) adjustable in height by means of a pin (9), can be fixed on one of the feet of the ladder when it is placed in the bottom of a winding staircase, in order to stabilize the whole.
  • the amounts of the ladder are telescopic in order to increase the height. This determined, a pin (8) blocks the amounts.
  • the lower plate (2) is placed directly on a step at the top of the stairs.
  • the fields of the two trays are pierced with several holes in order to introduce a pin (7) to block the set once the length found, and thus avoid any inappropriate sliding.
  • a guardrail secures the user for work at height. It engages on the two trays (1) and (2) in holes provided for this purpose.
  • This device is intended for people likely to work at height safely in a straight or rotating staircase.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ladders (AREA)

Description

La présente invention concerne un dispositif permettant de travailler facilement en hauteur dans un escalier droit ou tournant.The present invention relates to a device for easily working height in a straight or rotating staircase.

Pour travailler en hauteur dans un escalier droit ou tournant, on connaît un dispositif peu sécurisant fréquemment employé consistant à placer une planche d'un côté sur une marche et de l'autre un escabeau ou le barreau d'une échelle. Les échafaudages communément utilisés sont souvent volumineux et lourds, demandent un long moment d'installation et sont peu pratiques à déplacer.To work at height in a straight or rotating staircase, there is a frequently unsafe device frequently used consisting of placing a board on one side on a step and on the other a stool or the bar of a ladder. Commonly used scaffolds are often bulky and heavy, require a long time of installation and are impractical to move.

On connaît également, comme le présente le document FR2663075 , un dispositif comportant deux plateaux coulissants l'un dans l'autre et reposant d'un coté sur le rebord d'une marche et de l'autre sur des pieds, afin de former un plateau sur lequel l'on peut poser une échelle afin de travailler en hauteur dans un escalier droit.It is also known, as the document FR2663075 , a device comprising two trays sliding one inside the other and resting on one side on the edge of a step and on the other on feet, to form a plateau on which one can lay a ladder in order to work at height in a straight staircase.

Cependant, ces différents systèmes sont difficiles à mettre en oeuvre en particulier dans un escalier tournant.However, these various systems are difficult to implement especially in a winding staircase.

Le dispositif selon l'invention vise à remédier à ces inconvénients. Il est composé de deux plateaux coulissants l'un dans l'autre, d'une échelle articulée solidaire du plateau supérieur et d'un garde corps amovible.The device according to the invention aims to remedy these disadvantages. It consists of two sliding trays one inside the other, an articulated ladder attached to the upper plate and a removable guard.

L'échelle est fixée sur une platine qui tourne sur son axe central, ce qui permet d'orienter ses pieds sous différents angles afin de les placer de façon idéale sur une marche dans le bas d'un escalier tournant. Une fois la position trouvée, une goupille traversant la tranche du plateau vient bloquer la platine dans son épaisseur percée de plusieurs trous.The ladder is fixed on a turntable that rotates on its central axis, which allows to steer his feet at different angles to place them ideally on a step in the bottom of a winding staircase. Once the position is found, a pin passing through the edge of the plate blocks the plate in its thickness pierced with several holes.

Une béquille, réglable en hauteur, peut se fixer sur l'un des pieds de l'échelle de façon à conforter l'équilibre de l'ensemble. Les montants de l'échelle sont par exemple télescopiques, ce qui permet de varier la hauteur. L'échelle peut se replier sous le plateau pour faciliter le déplacement et le transport de l'ensemble.A crutch, adjustable in height, can be fixed on one of the feet of the ladder so as to reinforce the balance of the whole. The amounts of the scale are for example telescopic, which allows to vary the height. The ladder can be folded under the tray to facilitate the movement and transport of the whole.

Le plateau inférieur vient se poser directement sur une marche dans le haut de l'escalier. Il peut coulisser dans le plateau supérieur afin de varier la longueur de l'ensemble. Selon une variante non représentée, on a un seul plateau dont une extrémité se pose directement sur une marche dans le haut de l'escalier. Une échelle additionnelle peut se fixer à son extrémité de façon à augmenter la hauteur de l'ensemble.The lower plate is placed directly on a step at the top of the stairs. It can slide in the upper plate to vary the length of the assembly. According to a variant not shown, there is a single plate with one end directly on a step at the top of the stairs. An additional ladder can be fixed at its end so as to increase the height of the assembly.

Pour la sécurité, un garde corps peut s'enclencher sur les deux plateaux dans des trous prévus à cet effet. Celui-ci est composé de quatre parties qui peuvent s'assembler et ses tiges sont télescopiques.For safety, a guard can be engaged on both trays in holes provided for this purpose. It consists of four parts that can be assembled and its rods are telescopic.

En mode replié, échelle, plateaux et garde corps, ce dispositif est léger, peu encombrant, facilement maniable et transportable même dans un petit véhicule.In folded mode, scale, trays and guardrail, this device is light, compact, easy to handle and transportable even in a small vehicle.

Les dessins en annexe illustrent l'invention :

  • la figure 1 représente le dispositif vu de dessous en perspective.
  • la figure 2 représente le dispositif vu de dessous en situation dans un escalier tournant.
  • la figure 3 représente le dispositif avec le garde corps vu de dessus en perspective.
The drawings in the appendix illustrate the invention:
  • the figure 1 represents the device seen from below in perspective.
  • the figure 2 represents the device seen from below in situation in a winding staircase.
  • the figure 3 represents the device with the bodyguard seen from above in perspective.

En référence à ces dessins, le dispositif comporte deux plateaux coulissants l'un dans l'autre, le plateau supérieur (1) et le plateau inférieur (2). L'échelle (3) sous le plateau supérieur (1) est fixée sur une platine (4) qui tourne sur son axe central. Cela permet d'orienter les pieds de cette échelle sous différents angles pour les placer de façon adéquate sur une marche dans le bas d'un escalier tournant.With reference to these drawings, the device comprises two sliding plates one in the other, the upper plate (1) and the lower plate (2). The ladder (3) under the upper plate (1) is fixed on a plate (4) which rotates on its central axis. This makes it possible to orient the feet of this ladder at different angles to place them adequately on a step at the bottom of a winding staircase.

La platine (4) est percée de plusieurs trous dans son épaisseur. La position étant trouvée, une goupille (5) vient bloquer la platine (4) en traversant la tranche du plateau (1) et en rentrant dans l'un des trous.The plate (4) is pierced with several holes in its thickness. The position being found, a pin (5) blocks the plate (4) through the edge of the plate (1) and entering one of the holes.

En référence à la figure 2, une béquille (6), réglable en hauteur à l'aide d'une goupille (9), peut se fixer sur l'un des pieds de l'échelle lorsque celle-ci est placée dans le bas d'un escalier tournant, afin de stabiliser l'ensemble.With reference to the figure 2 a jack (6), adjustable in height by means of a pin (9), can be fixed on one of the feet of the ladder when it is placed in the bottom of a winding staircase, in order to stabilize the whole.

Les montants de l'échelle sont télescopiques afin d'augmenter la hauteur. Celle-ci déterminée, une goupille (8) vient bloquer les montants.The amounts of the ladder are telescopic in order to increase the height. This determined, a pin (8) blocks the amounts.

Le plateau inférieur (2) se place directement sur une marche dans le haut de l'escalier.The lower plate (2) is placed directly on a step at the top of the stairs.

Les champs des deux plateaux sont percés de plusieurs trous afin d'y introduire une goupille (7) pour bloquer l'ensemble une fois la longueur trouvée, et éviter ainsi tout coulissement inapproprié.The fields of the two trays are pierced with several holes in order to introduce a pin (7) to block the set once the length found, and thus avoid any inappropriate sliding.

En référence à la figure 3 un garde corps sécurise l'utilisateur pour un travail en hauteur. Il s'enclenche sur les deux plateaux (1) et (2) dans des trous prévus à cet effet.With reference to the figure 3 a guardrail secures the user for work at height. It engages on the two trays (1) and (2) in holes provided for this purpose.

Ce dispositif est destiné aux personnes susceptibles de travailler en hauteur en toute sécurité dans un escalier droit ou tournant.This device is intended for people likely to work at height safely in a straight or rotating staircase.

Claims (11)

  1. Working platform for scaffolding, characterized in that it comprises a ladder (3) secured beneath the platform on a plate (4) that rotates on its central axis in order to orient the feet of the ladder at different angles in order to place them lower down in a spiral staircase.
  2. Platform according to Claim 1, characterized in that it comprises a pin (5) that immobilizes the plate (4), which has multiple holes in its thickness, through the field of the upper platform once the feet of the ladder are in position depending on the angle of the step.
  3. Platform according to Claim 1 or 2, characterized in that it comprises an additional, height-adjustable stay (6) that improves the stability of the assembly by attaching to one of the feet of the ladder when the latter is placed lower down in a spiral staircase.
  4. Platform according to one of Claims 1 to 3, characterized in that the stiles of the ladder are telescopic in order to vary the height.
  5. Platform according to one of Claims 1 to 4, characterized in that it comprises an additional ladder that can be attached below the lower platform, further up the staircase, in order to increase the height of the assembly.
  6. Platform according to one of Claims 1 to 5, characterized in that it comprises a safety rail in order to protect a user.
  7. Device for working at height in a straight or spiral staircase, consisting of two platforms (1, 2), one of which slides within the other, characterized in that the upper platform (1) is in accordance with Claim 1.
  8. Device according to Claim 7, characterized in that a pin (5) immobilizes the plate (4), which has multiple holes in its thickness, through the field of the upper platform once the feet of the ladder are in position depending on the angle of the step.
  9. Device according to Claims 7 and 8, characterized in that an additional, height-adjustable stay (6) improves the stability of the assembly by attaching to one of the feet of the ladder when the latter is placed lower down in a spiral staircase.
  10. Device according to Claims 7 to 9, characterized in that the stiles of the ladder are telescopic in order to vary the height.
  11. Device according to Claims 7 to 10, characterized in that an additional ladder can be attached below the lower platform, further up the staircase, in order to increase the height of the assembly.
EP12194332.8A 2011-11-29 2012-11-27 Device for working at height easily and safely in a straight or spiral staircase Not-in-force EP2599937B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1103635A FR2983222B1 (en) 2011-11-29 2011-11-29 DEVICE FOR WORKING AT HEIGHT EASILY AND SECURELY IN A RIGHT OR TURNING STAIRCASE

Publications (2)

Publication Number Publication Date
EP2599937A1 EP2599937A1 (en) 2013-06-05
EP2599937B1 true EP2599937B1 (en) 2017-05-03

Family

ID=47216157

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12194332.8A Not-in-force EP2599937B1 (en) 2011-11-29 2012-11-27 Device for working at height easily and safely in a straight or spiral staircase

Country Status (2)

Country Link
EP (1) EP2599937B1 (en)
FR (1) FR2983222B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2569773B (en) * 2017-10-13 2021-05-12 Oxford Safety Components Support apparatus
CN110091969A (en) * 2019-05-29 2019-08-06 常石集团（舟山）造船有限公司 A kind of step ladder peculiar to vessel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2663075B1 (en) * 1990-06-08 1993-12-31 Testu Pierre HORIZONTAL LADDER SUPPORT DEVICE, STAIRS STEP COMPENSATOR.
WO1992000432A2 (en) * 1990-07-02 1992-01-09 Tagnon Claude Jean Marie Adjustable scaffolding for sloping surfaces
DE10238013B3 (en) * 2002-08-20 2004-02-12 Igor Dr.-Ing. Reznikov Multipurpose stairs ladder for use on staircases comprises two ladders, and a horizontal working platform having a locking device on each end and rotated in a horizontal plane

Also Published As

Publication number Publication date
EP2599937A1 (en) 2013-06-05
FR2983222B1 (en) 2014-06-20
FR2983222A1 (en) 2013-05-31

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