EP1094175A1 - Befestigungsvorrichtung für Diagonalstreben an Gerüstleitern und damit hergestelltes Gerüst - Google Patents

Befestigungsvorrichtung für Diagonalstreben an Gerüstleitern und damit hergestelltes Gerüst Download PDF

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Publication number
EP1094175A1
EP1094175A1 EP00402736A EP00402736A EP1094175A1 EP 1094175 A1 EP1094175 A1 EP 1094175A1 EP 00402736 A EP00402736 A EP 00402736A EP 00402736 A EP00402736 A EP 00402736A EP 1094175 A1 EP1094175 A1 EP 1094175A1
Authority
EP
European Patent Office
Prior art keywords
scaffolding
diagonal
clamp
bars
jaws
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.)
Granted
Application number
EP00402736A
Other languages
English (en)
French (fr)
Other versions
EP1094175B1 (de
Inventor
Francis Manier
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
Tubesca SA France
Original Assignee
Tubesca SA
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, Tubesca SA France filed Critical Tubesca SA
Priority to DK00402736T priority Critical patent/DK1094175T3/da
Publication of EP1094175A1 publication Critical patent/EP1094175A1/de
Application granted granted Critical
Publication of EP1094175B1 publication Critical patent/EP1094175B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/302—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members
    • E04G7/306—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect
    • E04G7/307—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect with tying means for connecting the bars or members
    • 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
    • E04G5/16—Struts or stiffening rods, e.g. diagonal rods
    • 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
    • E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/302—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members
    • E04G7/303—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are only fixed at one of the bars or members to connect
    • E04G7/305—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are only fixed at one of the bars or members to connect without tying means for connecting the bars or members

Definitions

  • the invention relates to a device for fixing the diagonal bars on the scaffolding ladders and the scaffolding obtained.
  • the invention aims to remedy this drawback and proposes a fixing device for the diagonal bars of the scaffolding ladders, for scaffolding comprising at least two post ladders and tubular rungs and round or close section, the ladders being connected to each other vertically by at least two bars diagonally fixed crosswise and on each side of the scaffolding, the bars being fixed by their ends to ladder rungs, characterized in what it includes a set of pliers hinged each to a end of the diagonal bars, each clamp having two upright grip jaws arranged on either side of its axis of articulation to the bar, these jaws being distant from one another at least the width or diameter of the ladder post tubes and at most, with a small clearance, the width of the rung on the upright, so that the clamp can be engaged laterally on the upright, at level of a selected rung and be maneuvered in rotation up to that its jaws engage on the upright, at the levels upper and lower relative to the rung, while this rung is enclosed by said slight clearance between the jaws.
  • Said jaws are advantageously arranged on the body of the pliers in a configuration suitable for ensuring two sockets on the opposite or even diametrically opposite uprights relative to the axis of articulation of the clamp.
  • the lateral grip of the clamp being substantially that of the amount, even very slightly greater (of the thickness of the branch jaw), it does not interfere with the implantation of the upper plateau on the mounting step of the diagonal bars, unlike corresponding conventional devices.
  • the hinge pin of the clamp can be provided with a pin element projecting inwards (jaw side) and suitable for being received in the hole external rung type rungs crimped on the upright.
  • This axis element can be coated with an intermediate sheath favoring the engagement and positioning of the axis element in the rung hole.
  • the clamp is advantageously formed in one piece comprising a plate element and two U-shaped jaws, formed at each end of the plate, the hinge pin being able to be consisting of a simple drilling hole or an axis element turned in inward projection, as mentioned above, positioned at the median level of the plate element and receiving a fixing and articulation bolt to the diagonal bar.
  • At least one of the jaws and preferably both can (wind) include a part of the clamp facing inward in its part end and snap-in socket (by elastic bending of the part of clamp) on the ladder post, so that the socket lock on the amount of scale is automatic and easy.
  • Said clamp may be made from a steel sheet 2 mm thick, suitably cut and stamped, the end return of said part of pliers being slightly curved to form a point of hard passage and locking of the socket on the upright.
  • the invention also relates to a scaffolding fitted with a device for fixing the diagonal bars of ladders according to the invention.
  • a scaffold 1 equipped with a device for fixing the bars diagonals 3 of scales according to the invention is shown partially to Figure 1.
  • This scaffolding consists essentially of two scales vertical 5, a support plate 7 for people, two rails horizontal spacers fixed laterally to them (not shown), two diagonal bars 3 mounted in a cross, one of each side, fixed to the ladder uprights at selected rungs 11 and lateral stabilizer bars 13 bearing on the ground.
  • a single diagonal bar 3 is shown.
  • Ladders 5 are of the upright and rung type tubular round, the rungs 11 being crimped on the uprights 9 (by an enlarged internal end base 15 and a crimping rim external 17).
  • the device of the invention relates to the diagonal bars which provide rigid vertical support for the ladders 5 of the scaffolding. he includes clamps mounted individually at each end of the bars diagonals 3 and allowing attachment to the uprights 9 of the ladder.
  • the set comes from a 2 mm thick steel plate suitably cut and stamped.
  • the jaws 29 project laterally on the same side of the body. They are U-shaped, identical to each other and open one opposite the other.
  • the jaw branch 31 away from the body is slightly curved inward, terminated by a leg 33 facing outside.
  • the inner curve of this branch 31 corresponds to the section of the upright tube 9 of the scales (all identical) and the distance from the tab 33 to the plane of the body 25 determining the opening of jaws is slightly less than the diameter of the upright tube of scale. This conformation allows the commitment on the amount with slight elastic bending of the jaw branch 31 as it passes this tab on the upright. This commitment is described later.
  • the articulated mounting of the clamp 19 on the diagonal bar 3 is ensured by means of a roller element 35 forming an axis element in protrusion on the jaw side.
  • This element is clamped on the plane of the body 25 by the nut of the articulation bolt 21.
  • the roller 35 is preferably coated with a sheath with a diameter equal to that of the tube hole step 11, which is as shown set by its end at the upright 9 of scale, being slightly flattened on the inside by its base 15 supported on the upright and clamped by an external flange 17 crimped on outside.
  • the sheath favors the introduction and the adjusted maintenance of the axis element 35 projecting into the rung hole 37.
  • the branches 31 of the jaws extend parallel to each other, at a distance greater than or equal to diameter of the tube of the ladder posts 9 and equal to a small clearance near the internal enlargement of the base 15 of support of the rung end set on the upright.
  • the rung tube 11 is in fact widened to allow support against the upright tube 9 tightened by crimping external. All the rungs are deformed and widened at their base so identical against the amount.
  • the jaw openings are opposite each other.
  • the assembly of the diagonal bars 3 is very simple. It is enough engage each clamp 19 at the end of a bar on an upright scale, at a chosen level 11, by introducing the element axis 35 in the corresponding rung hole 37, the clamp being turned substantially perpendicular to the upright to allow lateral engagement.
  • the jaw branches 31 thus pass from each side of the upright tube and the axle element 35 is pressed into the rung hole 37.
  • the internal plane of the body 25 of the clamp abuts against the surface of the upright tube. It is then turn the clamp according to arrows (figure 2) to engage simultaneously the jaws 29 engaged on the upright tube.
  • the clamp is in end of assembly with its body substantially parallel to the upright. At this moment, the jaw branches 31 grip the play with little play widened base 15 of the rung and the jaws are in locked engagement (by clipping) to the upright.
  • the catch is therefore operated on the rung and the amount.
  • the lateral dimensions of the socket are minimal, corresponding to the thickness of the branch (2 mm) and does not interfere with positioning support plate 7 on this rung.
  • the locking of the socket is obtained by snap-fitting with slight bending of the jaw branches 31 at the rotation passage of the legs bent 33 on the upright tube.
  • the assembly is therefore automatic and fast, being executed on the two end clamps of the same bar on one side of the scaffolding.
  • the assembly of the other diagonal bar on the other side of the scaffolding (not shown) is done the same way.
  • the disassembly of the bars is obtained by a reverse operation pliers.
  • the invention thus provides a simple, economical and easy to use for fixing diagonal bars to ladders scaffolding.
  • the section of the ladder uprights is not necessarily circular. It can be rounded, in ellipse for example. It suffices in this case to adapt the shape of the branches of the jaws to that of the tube upright, while retaining a curved end tab for the jaw locking snap on the upright.
  • the jaws are not necessarily identical and the one on both can lock the stud, which can be also provided by a means other than snap-fastening.
  • the projecting axis element can be eliminated and the device can be applied to ladders with steps not necessarily crimped on the uprights.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ladders (AREA)
EP00402736A 1999-10-18 2000-10-05 Befestigungsvorrichtung für Diagonalstreben an Gerüstleitern und damit hergestelltes Gerüst Expired - Lifetime EP1094175B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK00402736T DK1094175T3 (da) 1999-10-18 2000-10-05 Fastgörelsesindretning for skråstivere på stilladsstiger og hermed tilvejebragt stillads

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9912953 1999-10-18
FR9912953A FR2799783B1 (fr) 1999-10-18 1999-10-18 Dispositif de fixation des barres diagonales sur les echelles d echafaudage et echafaudage obtenu

Publications (2)

Publication Number Publication Date
EP1094175A1 true EP1094175A1 (de) 2001-04-25
EP1094175B1 EP1094175B1 (de) 2005-03-30

Family

ID=9551036

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00402736A Expired - Lifetime EP1094175B1 (de) 1999-10-18 2000-10-05 Befestigungsvorrichtung für Diagonalstreben an Gerüstleitern und damit hergestelltes Gerüst

Country Status (7)

Country Link
EP (1) EP1094175B1 (de)
AT (1) ATE292226T1 (de)
DE (1) DE60019058T2 (de)
DK (1) DK1094175T3 (de)
ES (1) ES2235801T3 (de)
FR (1) FR2799783B1 (de)
PT (1) PT1094175E (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2421538A (en) * 2004-12-23 2006-06-28 Safestand Ltd Brace for builders trestles
FR2880048A1 (fr) * 2004-12-29 2006-06-30 Centaure Sa Dispositif de montage pour pieces d'echafaudage
EP1808552A3 (de) * 2006-01-12 2011-06-08 Salemo & Merca, LDA Greifer für einen Querträger
WO2013054143A3 (en) * 2011-10-13 2013-06-13 Three G Metal Fabrications Limited Modular platform
FR2989102A1 (fr) * 2012-04-05 2013-10-11 Marcel Roux Echafaudage
US8794381B2 (en) 2004-06-18 2014-08-05 Safestand Limited Fittings for builders' trestles
JP2015218479A (ja) * 2014-05-16 2015-12-07 ホリー株式会社 仮設構築物用ブレース
EP3440282B1 (de) * 2016-04-08 2019-12-18 Peri Gmbh Befestigungsvorrichtung
DE102019120359A1 (de) * 2019-07-29 2021-02-04 Bernhard Pangratz Verbindungsvorrichtung
CN114704074A (zh) * 2022-02-18 2022-07-05 杭州宏美建筑设备发展有限公司 一种便于拆装的脚手架用防滑固定件及固定方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2926575B1 (fr) 2008-01-22 2012-01-06 Tubesca Procede de montage et demontage en securite d'un echafaudage roulant, lisses de montage de securite utilisees et echafaudage obtenu

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1587165A (de) * 1968-10-21 1970-03-13
GB2258998A (en) * 1991-08-24 1993-03-03 Universal Shelving Co Ltd Frame structure
EP0623716A1 (de) * 1993-05-04 1994-11-09 Ulma, S.Coop. Ltda. Verbessertes räumliches Gerüst

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1587165A (de) * 1968-10-21 1970-03-13
GB2258998A (en) * 1991-08-24 1993-03-03 Universal Shelving Co Ltd Frame structure
EP0623716A1 (de) * 1993-05-04 1994-11-09 Ulma, S.Coop. Ltda. Verbessertes räumliches Gerüst

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8794381B2 (en) 2004-06-18 2014-08-05 Safestand Limited Fittings for builders' trestles
GB2421538B (en) * 2004-12-23 2006-11-22 Safestand Ltd Brace for builders' trestles
GB2421538A (en) * 2004-12-23 2006-06-28 Safestand Ltd Brace for builders trestles
FR2880048A1 (fr) * 2004-12-29 2006-06-30 Centaure Sa Dispositif de montage pour pieces d'echafaudage
EP1686221A3 (de) * 2004-12-29 2008-08-27 Centaure Befestigungsvorrichtung für Gerüstteile
EP1808552A3 (de) * 2006-01-12 2011-06-08 Salemo & Merca, LDA Greifer für einen Querträger
US10145129B2 (en) 2011-10-13 2018-12-04 Three G Metal Fabrications Limited Modular platform
WO2013054143A3 (en) * 2011-10-13 2013-06-13 Three G Metal Fabrications Limited Modular platform
FR2989102A1 (fr) * 2012-04-05 2013-10-11 Marcel Roux Echafaudage
JP2015218479A (ja) * 2014-05-16 2015-12-07 ホリー株式会社 仮設構築物用ブレース
EP3440282B1 (de) * 2016-04-08 2019-12-18 Peri Gmbh Befestigungsvorrichtung
DE102019120359A1 (de) * 2019-07-29 2021-02-04 Bernhard Pangratz Verbindungsvorrichtung
CN114704074A (zh) * 2022-02-18 2022-07-05 杭州宏美建筑设备发展有限公司 一种便于拆装的脚手架用防滑固定件及固定方法
CN114704074B (zh) * 2022-02-18 2023-10-03 杭州宏美建筑设备发展有限公司 一种便于拆装的脚手架用防滑固定件及固定方法

Also Published As

Publication number Publication date
ES2235801T3 (es) 2005-07-16
DK1094175T3 (da) 2005-07-25
ATE292226T1 (de) 2005-04-15
PT1094175E (pt) 2005-06-30
DE60019058D1 (de) 2005-05-04
DE60019058T2 (de) 2006-01-19
FR2799783A1 (fr) 2001-04-20
EP1094175B1 (de) 2005-03-30
FR2799783B1 (fr) 2002-01-04

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