WO1997003273A1 - Safety device for stabilising a ladder by fastening an intermediate portion thereof to the tubular or rectangular members of a scaffolding or railing at any angle - Google Patents

Safety device for stabilising a ladder by fastening an intermediate portion thereof to the tubular or rectangular members of a scaffolding or railing at any angle Download PDF

Info

Publication number
WO1997003273A1
WO1997003273A1 PCT/FR1995/000937 FR9500937W WO9703273A1 WO 1997003273 A1 WO1997003273 A1 WO 1997003273A1 FR 9500937 W FR9500937 W FR 9500937W WO 9703273 A1 WO9703273 A1 WO 9703273A1
Authority
WO
WIPO (PCT)
Prior art keywords
screw
ladder
tubular
fastener
acceptor
Prior art date
Application number
PCT/FR1995/000937
Other languages
French (fr)
Inventor
Eduardo Antunes
Original Assignee
Eduardo Antunes
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 Eduardo Antunes filed Critical Eduardo Antunes
Priority to DE69516023T priority Critical patent/DE69516023D1/en
Priority to EP95925877A priority patent/EP0837977B1/en
Priority to PCT/FR1995/000937 priority patent/WO1997003273A1/en
Publication of WO1997003273A1 publication Critical patent/WO1997003273A1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/50—Joints or other connecting parts
    • 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
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/02—Connections between parts of the scaffold with separate coupling elements
    • E04G7/06—Stiff scaffolding clamps for connecting scaffold members of common shape
    • E04G7/12—Clamps or clips for crossing members
    • E04G7/14—Clamps or clips for crossing members for clamping the members independently
    • E04G7/16—Clamps or clips for crossing members for clamping the members independently of which the clamping parts for the different members are rotatable with respect to one another
    • 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
    • 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 present invention relates to a safety device ensuring the stability of ladders by intermediate fixing of the ladder to tubular or rectangular structures of scaffolding or railings whatever their inclination.
  • the device according to our invention therefore overcomes these drawbacks because, with reference to Figures 1, 2 and 3, it is designed to secure the ladder to the stability of scaffolding structures (10) necessarily installed at least one meter above the floor (1 1) so as to prevent any risk of workers falling.
  • the device according to our invention is fixed manually and without special tools to the scaffolding structures or railing (10) between the level of the floor (1 1) and the upper part of the railing provided and put in place according to the current safety standards.
  • the device according to our invention can be used, because of its asymmetry, in all directions regardless of the position and the inclination of the ladder placed relative to the structure and vice versa.
  • its position in no way hinders the free passage of its users.
  • the device according to our invention comprises, according to the first characteristic, a ladder acceptor (1) open on four of its faces allowing the sliding of one of the uprights of the ladder (12) and its rungs (13) as well as the passage a butterfly screw (2) the latter affecting a reverse rotary movement to each of the two main parts of the device according to our invention which it links so as to optimize the position of the safety device relative to the desired inclination of the ladder (12).
  • the device also comprises a butterfly screw (2) passing on either side of the scale acceptor (1) by a nut (5) used to manually block the amount of the scale (12) by pressing it between the end of the wing screw (2) and the walls of the scale acceptor d ) .
  • the third characteristic of the device is that it also comprises a cylindrical tube (6) through which the butterfly screw (2) passes; this cylindrical tube (6) connects the ladder acceptor (1) to a structure fastener (3) open at its ends for housing a screw (4), the latter being able to be moved between two positions corresponding to the open states and closed of the device according to our invention; the space defined by the structural connection (3) and delimited by the screw (4) is used to insert the tubular or rectangular structure (10).
  • the device comprises the fastening structure (3) composed of two different openings at the ends of its two opposite faces: one includes the head of the screw (4) whatever the position of the latter and the another retains the screw (4) only in the closed position by means of two angled hooks (9).
  • the device has, according to the fifth characteristic, a wing nut (7) which is tightened manually around the screw (4) against the fastener structure (3) and encloses the tubular or rectangular structure (10) inside the fastener structure (3) which is then retained by the tubular or rectangular intermediate structure (14) or by the floor (1 1) depending on the height of use of the device according to our invention chosen by the worker.
  • the device also comprises a brake (8), adapted to the size of the head of the screw (4), so as to be able to lock the screw (4) when the safety device is in the closed position.
  • a brake (8) adapted to the size of the head of the screw (4), so as to be able to lock the screw (4) when the safety device is in the closed position.
  • the device according to our invention is designed to adapt to all types of ladders and tubular or rectangular structures (10). However, it is possible to adapt the entire device according to our invention to specific dimensions without limitation.
  • the device according to our invention is particularly intended for workers in construction and public works.

Landscapes

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

Abstract

A device for preventing ladder accidents by fastening a ladder to tubular or rectangular members at any angle. The device consists of a ladder-engaging portion (1) within which the ladder upright may be locked by manually tightening a thumbscrew (2) extending through a cylindrical tube (6) secured to a clamp (3) that is fitted around a tubular or rectangular member (10) by means of a screw (4) on which a thumbnut (7) is tightened. The device is particularly suitable for use by building and construction workers.

Description

DISPOSITF DE SECURITE ASSURANT LA STABILITE DES ECHELLES PAR FIXATION INTERMEDIAIRE DE L'ECHELLE AUX SECURITY PROVISIONS ENSURING THE STABILITY OF LADDERS BY INTERMEDIATE FIXING OF THE LADDER TO
STRUCTURES TUBULAIRES OU RECTANGULAIRES D'ECHAFAUDAGES OU GARDE-CORPS QUELLE QUE SOIT LEUR INCLINAISONTUBULAR OR RECTANGULAR STRUCTURES OF SCAFFOLDING OR GUARDRAILS OF ANY INCLINATION
DESCRIPTIONDESCRIPTION
La présente invention concerne un dispositif de sécurité assurant la stabilité des échelles par fixation intermédiaire de l'échelle aux structures tubulaires ou rectangulaires d'échafaudages ou garde-corps quelle que soit leur inclinaison.The present invention relates to a safety device ensuring the stability of ladders by intermediate fixing of the ladder to tubular or rectangular structures of scaffolding or railings whatever their inclination.
Traditionnellement, les utilisateurs d'échelles sont exposés aux risques de chutes du fait de l'instabilité des échelles. Ces risques concernent d'une part le glissement de l'échelle au niveau de ses deux montants en appui et d'autre part le mouvement de bascule selon une rotation dont le centre est le point d'appui au sol des montants de l'échelle.Traditionally, ladder users are exposed to the risk of falling due to the instability of ladders. These risks concern on the one hand the sliding of the ladder at the level of its two uprights in support and on the other hand the rocking movement according to a rotation whose center is the point of support on the ground of the uprights of the ladder .
Le dispositif selon notre invention permet donc de remédier à ces inconvénients car, en référence aux figures 1, 2 et 3, il est conçu de façon à solidariser l'échelle à la stabilité des structures d'échafaudages ( 10) obligatoirement installées à au moins un mètre au-dessus du plancher (1 1 ) de manière à prévenir tout risque de chute des travailleurs. Le dispositif selon notre invention se fixe manuellement et sans outils spéciaux aux structures d'échafaudages ou garde-corps (10) entre le niveau du plancher ( 1 1 ) et la partie supérieure du garde-corps prévus et mis en place d'après les normes de sécurité en vigueur. Par ailleurs, le dispositif selon notre invention peut s'utiliser, en raison de sa dissymétrie, dans tous les sens quelques soient la position et l'inclinaison de l'échelle placée par rapport à la structure et inversement. Enfin, lors de l'utilisation du dispositif selon notre invention, sa position n'entrave nullement le libre passage de ses utilisateurs.The device according to our invention therefore overcomes these drawbacks because, with reference to Figures 1, 2 and 3, it is designed to secure the ladder to the stability of scaffolding structures (10) necessarily installed at least one meter above the floor (1 1) so as to prevent any risk of workers falling. The device according to our invention is fixed manually and without special tools to the scaffolding structures or railing (10) between the level of the floor (1 1) and the upper part of the railing provided and put in place according to the current safety standards. Furthermore, the device according to our invention can be used, because of its asymmetry, in all directions regardless of the position and the inclination of the ladder placed relative to the structure and vice versa. Finally, when using the device according to our invention, its position in no way hinders the free passage of its users.
FEUILLE DE REMPLACEMENT {REGLE 26) Le dispositif selon notre invention comporte selon la première caractéristique un acceptant d'échelle ( 1 ) ouvert sur quatre de ses faces permettant le glissement d'un des montants de l'échelle (12) et de ses échelons ( 13) ainsi que le passage d'une vis papillon (2) cette dernière affectant un mouvement rotatif inverse à chacune des deux parties principales du dispositif selon notre invention qu'elle lie de façon à optimiser la position du dispositif de sécurité par rapport à l'inclinaison souhaitée de l'échelle (12).SUBSTITUTE SHEET {RULE 26) The device according to our invention comprises, according to the first characteristic, a ladder acceptor (1) open on four of its faces allowing the sliding of one of the uprights of the ladder (12) and its rungs (13) as well as the passage a butterfly screw (2) the latter affecting a reverse rotary movement to each of the two main parts of the device according to our invention which it links so as to optimize the position of the safety device relative to the desired inclination of the ladder (12).
Selon la deuxième caractéristique le dispositif comporte aussi une vis papillon (2) passant de part et d'autre de l'acceptant d'échelle ( 1 ) par un écrou (5) servant à bloquer manuellement le montant de l'échelle (12) par pression de celui-ci entre le bout de la vis papillon (2) et les parois de l'acceptant d'échelle d).According to the second characteristic, the device also comprises a butterfly screw (2) passing on either side of the scale acceptor (1) by a nut (5) used to manually block the amount of the scale (12) by pressing it between the end of the wing screw (2) and the walls of the scale acceptor d ) .
La troisième caractéristique du dispositif est qu'il comporte également un tube cylindrique (6) dans lequel passe la vis papillon (2); ce tube cylindrique (6) relie l'acceptant d'échelle (1 ) à une attache-structure (3) ouverte en ses extrémités pour le logement d'une vis (4) cette dernière pouvant être déplacée entre deux positions correspondant aux états ouvert et fermé du dispositif selon notre invention; l'espace défini par rattache-structure (3) et délimité par la vis (4) sert à insérer la structure tubulaire ou rectangulaire ( 10). Selon la quatrième caractéristique le dispositif comporte l'attache- structure (3) composée de deux ouvertures différentes aux extrémités de ses deux faces opposées: l'une englobe la tête de la vis (4) quelque soit la position de cette dernière et l'autre ne retient la vis (4) qu'en position fermée au moyen de deux décrochés en angle (9). Le dispositif possède selon la cinquième caractéristique un écrou papillon (7) qui se serre manuellement autour de la vis (4) contre l'attache- structure (3) et enferme la structure tubulaire ou rectangulaire ( 10) à l'intérieur de l'attache-structure (3 ) qui se trouve alors retenue par la structure tubulaire ou rectangulaire intermédiaire ( 14) ou bien par le plancher ( 1 1 ) suivant la hauteur d'utilisation du dispositif selon notre invention choisie par le travailleur.The third characteristic of the device is that it also comprises a cylindrical tube (6) through which the butterfly screw (2) passes; this cylindrical tube (6) connects the ladder acceptor (1) to a structure fastener (3) open at its ends for housing a screw (4), the latter being able to be moved between two positions corresponding to the open states and closed of the device according to our invention; the space defined by the structural connection (3) and delimited by the screw (4) is used to insert the tubular or rectangular structure (10). According to the fourth characteristic, the device comprises the fastening structure (3) composed of two different openings at the ends of its two opposite faces: one includes the head of the screw (4) whatever the position of the latter and the another retains the screw (4) only in the closed position by means of two angled hooks (9). The device has, according to the fifth characteristic, a wing nut (7) which is tightened manually around the screw (4) against the fastener structure (3) and encloses the tubular or rectangular structure (10) inside the fastener structure (3) which is then retained by the tubular or rectangular intermediate structure (14) or by the floor (1 1) depending on the height of use of the device according to our invention chosen by the worker.
Le dispositif comporte également selon la sixième caractéristique un frein (8), adapté à la taille de la tête de la vis (4), de façon à pouvoir bloquer la vis (4) lorsque le dispositif de sécurité est en position fermée. Lorsque le dispositif selon notre invention est serré et bloqué les axes des vis (2) et (4) sont alors parallèles.According to the sixth characteristic, the device also comprises a brake (8), adapted to the size of the head of the screw (4), so as to be able to lock the screw (4) when the safety device is in the closed position. When the device according to our invention is tightened and blocked the axes of the screws (2) and (4) are then parallel.
Le dispositif selon notre invention est conçu pour s'adapter à tous types d'échelles et de structures tubulaires ou rectangulaires (10). Toutefois, il est possible d'adapter l'ensemble du dispositif selon notre invention à des dimensions particulières et ce sans limitation.The device according to our invention is designed to adapt to all types of ladders and tubular or rectangular structures (10). However, it is possible to adapt the entire device according to our invention to specific dimensions without limitation.
Le dispositif selon notre invention est particulièrement destiné aux travailleurs du bâtiment et des travaux publics. The device according to our invention is particularly intended for workers in construction and public works.

Claims

REVENDICATIONS
1 ) Dispositif de sécurité assurant la stabilité des échelles par fixation intermédiaire de l'échelle aux structures tubulaires ou rectangulaires d'échafaudages ou garde-corps quelle que soit leur inclinaison caractérisé en ce qu'il comporte un acceptant d'échelle ( 1 ) ouvert sur quatre de ses faces permettant le glissement d'un des montants de l'échelle (12) et de ses échelons (13) ainsi que le passage d'une vis papillon (2) cette dernière affectant un mouvement rotatif inverse à chacune des deux parties principales du dispositif selon notre invention qu'elle lie de façon à optimiser la position du dispositif de sécurité par rapport à l'inclinaison souhaitée de l'échelle (12).1) Safety device ensuring the stability of the ladders by intermediate fixing of the ladder to tubular or rectangular structures of scaffolding or railings whatever their inclination, characterized in that it comprises an open ladder acceptor (1) on four of its faces allowing the sliding of one of the uprights of the ladder (12) and of its rungs (13) as well as the passage of a butterfly screw (2) the latter affecting a reverse rotary movement to each of the two main parts of the device according to our invention which it links so as to optimize the position of the safety device with respect to the desired inclination of the ladder (12).
2) Dispositif selon la revendication 1 caractérisé en ce qu'il comporte une vis papillon (2) passant de part et d'autre de l'acceptant d'échelle ( 1 ) par un écrou (5) servant à bloquer manuellement le montant de l'échelle ( 12) par pression de celui-ci entre le bout de la vis papillon (2) et les parois de l'acceptant d'échelle (1 ).2) Device according to claim 1 characterized in that it comprises a butterfly screw (2) passing on either side of the scale acceptor (1) by a nut (5) used to manually block the amount of the scale (12) by pressing it between the end of the butterfly screw (2) and the walls of the scale acceptor (1).
3) Dispositif selon la revendication 2 caractérisé en ce qu'il comporte également un tube cylindrique (6) dans lequel passe la vis papillon (2); ce tube cylindrique (6) relie l'acceptant d'échelle ( 1 ) à une attache-structure (3) ouverte en ses extrémités pour le logement d'une vis (4) cette dernière pouvant être déplacée entre deux positions correspondant aux états ouvert et fermé du dispositif selon notre invention; l'espace défini par l'attache-structure (3) et délimité par la vis (4) sert à insérer la structure tubulaire ou rectangulaire ( 10). 4) Dispositif selon la revendication 3 caractérisé en ce que l'attache- structure (3 ) est composée de deux ouvertures différentes aux extrémités de ses deux faces opposées: l'une englobe la tête de la vis (4) quelque soit la position de cette dernière et l'autre ne retient la vis (4) qu'en position fermée au moyen de deux décrochés en angle (9). 5) Dispositif selon la revendication 4 caractérisé en ce qu'il comporte aussi un écrou papillon (7) qui se serre manuellement autour de la vis (4) contre l'attache-structure (3) et enferme la structure tubulaire ou rectangulaire ( 10) à l'intérieur de l'attache-structure (3) qui se trouve alors retenue par la structure tubulaire ou rectangulaire intermédiaire ( 14) ou bien par le plancher ( 1 1 ) suivant la hauteur d'utilisation du dispositif selon notre invention choisie par le travailleur.3) Device according to claim 2 characterized in that it also comprises a cylindrical tube (6) through which passes the butterfly screw (2); this cylindrical tube (6) connects the ladder acceptor (1) to a structure fastener (3) open at its ends for housing a screw (4), the latter being able to be moved between two positions corresponding to the open states and closed of the device according to our invention; the space defined by the structure fastener (3) and delimited by the screw (4) is used to insert the tubular or rectangular structure (10). 4) Device according to claim 3 characterized in that the fastener structure (3) is composed of two different openings at the ends of its two opposite faces: one includes the head of the screw (4) whatever the position of the latter and the other retain the screw (4) only in the closed position by means of two angled hooks (9). 5) Device according to claim 4 characterized in that it also comprises a wing nut (7) which is tightened manually around the screw (4) against the structure fastener (3) and encloses the tubular or rectangular structure (10 ) inside the fastener structure (3) which is then retained by the tubular or rectangular intermediate structure (14) or by the floor (1 1) depending on the height of use of the device according to our chosen invention by the worker.
6) Dispositif selon la revendication 3 caractérisé en ce qu'il comporte également un frein (8), adapté à la taille de la tête de la vis (4), de façon à pouvoir bloquer la vis (4) lorsque le dispositif selon notre invention est en position fermée. 6) Device according to claim 3 characterized in that it also comprises a brake (8), adapted to the size of the head of the screw (4), so as to be able to block the screw (4) when the device according to our invention is in the closed position.
PCT/FR1995/000937 1995-07-12 1995-07-12 Safety device for stabilising a ladder by fastening an intermediate portion thereof to the tubular or rectangular members of a scaffolding or railing at any angle WO1997003273A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE69516023T DE69516023D1 (en) 1995-07-12 1995-07-12 SAFETY DEVICE FOR SECURING LADDERS TO TUBULAR STRUCTURES
EP95925877A EP0837977B1 (en) 1995-07-12 1995-07-12 Safety device for stabilising a ladder by fastening an intermediate portion thereof to the tubular or rectangular members of a scaffolding or railing at any angle
PCT/FR1995/000937 WO1997003273A1 (en) 1995-07-12 1995-07-12 Safety device for stabilising a ladder by fastening an intermediate portion thereof to the tubular or rectangular members of a scaffolding or railing at any angle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FR1995/000937 WO1997003273A1 (en) 1995-07-12 1995-07-12 Safety device for stabilising a ladder by fastening an intermediate portion thereof to the tubular or rectangular members of a scaffolding or railing at any angle

Publications (1)

Publication Number Publication Date
WO1997003273A1 true WO1997003273A1 (en) 1997-01-30

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ID=9475556

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR1995/000937 WO1997003273A1 (en) 1995-07-12 1995-07-12 Safety device for stabilising a ladder by fastening an intermediate portion thereof to the tubular or rectangular members of a scaffolding or railing at any angle

Country Status (3)

Country Link
EP (1) EP0837977B1 (en)
DE (1) DE69516023D1 (en)
WO (1) WO1997003273A1 (en)

Cited By (8)

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GB2394748A (en) * 2004-02-27 2004-05-05 Presco Scaffolding Ltd Securing ladder to scaffolding
US20130199873A1 (en) * 2012-02-07 2013-08-08 Shawn Prentice Ladder Rail Gutter Clamp Device
NL2010702C2 (en) * 2013-04-24 2014-10-27 Jnr Patent B V LADDER.
CN104153565A (en) * 2014-07-09 2014-11-19 成都绿迪科技有限公司 Steel tube connection device for civil engineering
FR3031546A1 (en) * 2015-01-14 2016-07-15 Alain Landerretche FIXING DEVICE FOR LADDERS
WO2019147637A1 (en) * 2018-01-26 2019-08-01 Panduit Corp. Cable management assembly
KR20200000505U (en) * 2018-08-27 2020-03-06 주식회사 해광 Pipe bracket for access floor
EP3719235A1 (en) * 2019-04-05 2020-10-07 Peri GmbH Ladder holder

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CN106150338B (en) * 2016-08-10 2018-06-05 国网浙江瑞安市供电有限责任公司 A kind of insulating ladder fixing device

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Cited By (23)

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Publication number Priority date Publication date Assignee Title
GB2394748A (en) * 2004-02-27 2004-05-05 Presco Scaffolding Ltd Securing ladder to scaffolding
US20130199873A1 (en) * 2012-02-07 2013-08-08 Shawn Prentice Ladder Rail Gutter Clamp Device
NL2010702C2 (en) * 2013-04-24 2014-10-27 Jnr Patent B V LADDER.
EP2796639A1 (en) * 2013-04-24 2014-10-29 Essche B.V. Ladder
CN104153565A (en) * 2014-07-09 2014-11-19 成都绿迪科技有限公司 Steel tube connection device for civil engineering
CN104153565B (en) * 2014-07-09 2016-08-17 江苏省苏中建设集团股份有限公司 A kind of civil engineering connects with steel tube device
FR3031546A1 (en) * 2015-01-14 2016-07-15 Alain Landerretche FIXING DEVICE FOR LADDERS
KR20200108435A (en) * 2018-01-26 2020-09-18 팬듀트 코포레이션 Cable management assembly
KR20200108424A (en) * 2018-01-26 2020-09-18 팬듀트 코포레이션 Cable management assembly
WO2019147629A1 (en) * 2018-01-26 2019-08-01 Panduit Corp. Cable management assembly
TWI772603B (en) * 2018-01-26 2022-08-01 美商班狄特公司 Method for installing a cable management assembly
US10731777B2 (en) 2018-01-26 2020-08-04 Panduit Corp. Cable management assembly
US10731778B2 (en) 2018-01-26 2020-08-04 Panduit Corp. Cable management assembly
KR102400245B1 (en) 2018-01-26 2022-05-19 팬듀트 코포레이션 cable management assembly
WO2019147642A1 (en) * 2018-01-26 2019-08-01 Panduit Corp. Cable management assembly
WO2019147637A1 (en) * 2018-01-26 2019-08-01 Panduit Corp. Cable management assembly
KR102400247B1 (en) 2018-01-26 2022-05-19 팬듀트 코포레이션 cable management assembly
AU2019212125B2 (en) * 2018-01-26 2021-09-16 Panduit Corp. Cable management assembly
AU2019211270B2 (en) * 2018-01-26 2021-09-23 Panduit Corp. Cable management assembly
US11199278B2 (en) 2018-01-26 2021-12-14 Panduit Corp. Cable management assembly
KR200492094Y1 (en) * 2018-08-27 2020-08-05 주식회사 해광 Pipe bracket for access floor
KR20200000505U (en) * 2018-08-27 2020-03-06 주식회사 해광 Pipe bracket for access floor
EP3719235A1 (en) * 2019-04-05 2020-10-07 Peri GmbH Ladder holder

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Publication number Publication date
EP0837977B1 (en) 2000-03-29
EP0837977A1 (en) 1998-04-29
DE69516023D1 (en) 2000-05-04

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