EP0451068B1 - Verbindungsstück für längliche Elemente - Google Patents

Verbindungsstück für längliche Elemente Download PDF

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Publication number
EP0451068B1
EP0451068B1 EP91420114A EP91420114A EP0451068B1 EP 0451068 B1 EP0451068 B1 EP 0451068B1 EP 91420114 A EP91420114 A EP 91420114A EP 91420114 A EP91420114 A EP 91420114A EP 0451068 B1 EP0451068 B1 EP 0451068B1
Authority
EP
European Patent Office
Prior art keywords
component
key
permit
arms
fixed
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
EP91420114A
Other languages
English (en)
French (fr)
Other versions
EP0451068A1 (de
Inventor
Claude Perruelle
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
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 Individual filed Critical Individual
Priority to AT91420114T priority Critical patent/ATE92568T1/de
Publication of EP0451068A1 publication Critical patent/EP0451068A1/de
Application granted granted Critical
Publication of EP0451068B1 publication Critical patent/EP0451068B1/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
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/32—Scaffolding bars or members with non-detachably fixed coupling elements with coupling elements using wedges
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/30—Laterally related members connected by latch means, e.g., scaffold connectors

Definitions

  • the present invention relates to an assembly part for elongated elements.
  • This part is, in general, intended to equip any elongated element intended to produce, by means of its assembly with other identical or similar elements, a support structure. In particular, it is intended for elements allowing the realization of a scaffolding.
  • the assembly is carried out by means of flanges fixed coaxially to the uprights and complementary assembly parts integral with the ends of the crosspieces, each comprising a groove allowing its engagement around part of the flange and holes provided for, when this engagement is made, coincide with a hole that includes the flange, so as to allow the forceful introduction through them of a shaped locking key wedge, one edge of which bears against the part and the other edge of which bears against the collar, so that it makes it possible, when pressed, to block the part on the collar.
  • the assembly parts currently known are metallic and cast in a foundry. They have the disadvantages of being very heavy, difficult to manufacture, at a high cost, and of imposing long delays for their realization.
  • their significant weight limits the dimensions, so that, if they are intended to, after assembly, be in abutment against the wall of the upright, their bearing surface against this wall is insufficient to eliminate a certain clearance of the uprights with respect to the crosspieces during the construction of the scaffolding, which entails, in addition to the instability of the latter, a risk of damage to the parts and the flanges.
  • the present invention aims to remedy these drawbacks.
  • the assembly part which it concerns which is of the type fixed to one end of an element and comprising a groove intended to allow its engagement around a complementary fixing member carried by another element to be fixed to the element to which the part is fixed, is characterized in that it has, in cross section, a M-shaped profile whose two central branches, which are separated from the lateral branches by free volumes, delimit between them the aforementioned groove and whose lateral branches allow the attachment of the part to the elongated element which it equips.
  • the assembly piece according to the invention is particularly light. It is also very simple and quick to produce, at low cost, and this, in particular when it is constituted by a metal strip folded so as to delimit its branches, in accordance with a preferred embodiment.
  • the part comprises two flat parts, located in the same plane and oriented perpendicular to the groove, on either side of the opening from which they extend widely, the depth of the groove being provided so that in position assembly of the part and its aforementioned complementary fixing member, the flat parts come to bear against the wall of the elongated element carrying the complementary fixing member.
  • These flat parts constitute large sones of support of the part, capable of eliminating any play between the elements when they are assembled. Thanks to the lightness of the part according to the invention, the length of these support sones can be more than doubled compared to that of the support sones that comprise existing parts, which makes it possible to make the scaffolding perfectly stable. .
  • the lateral branches play the role of bracing of these flat parts and allow a distribution of the forces transmitted to the part.
  • the part is intended to be fixed to a hollow elongate element internally and the part of its central branches which delimits the bottom of the groove is shaped to be engaged in the cavity of the element when the part is fixed to it , this part being extended laterally by shoulders intended to bear against the edge of the opening of the element.
  • the part equips the end of a cross member and the lateral edges of its branches converge on the side opposite to the cross member.
  • Such parts allow the fixing of several sleepers on the same flange, which, fixed coaxially to an upright of the scaffolding, constitutes the complementary member for fixing the parts, this fixing being able to be done with small spacing angles between the crosspieces.
  • the part comprises holes provided for, when its engagement on its complementary fixing member is made, coincide with a hole that includes this member, so as to allow the force introduction through them of a wedge-shaped locking key, one edge of which bears against the workpiece and the other edge of which bears against the member, so that it makes it possible, when it is pressed, the blocking of the part on the organ.
  • the key comprises, near its narrower end, a protruding stud forming a pin and the hole made in the lateral branch of the part located on the side opposite the stud is designed to let the key pass but not the stud, while the other holes are provided to let through the key and the stud.
  • Figures 1,3 and 4 are perspective views, in cross section and from above respectively during operation.
  • Figure 2 is a top view of a metal strip cut from which it is obtained.
  • FIG. 1 represents, in strong lines, an assembly part 2 and, in fine lines and fictitiously represented as being transparent, a metal and tubular cross-member 3, to which the part 2 is fixed, as well as an upright 4, also metallic and tubular, on which is fixed coaxially a flange 5, pierced with holes 6 and intended for the adaptation of the part 2 in order to assemble the cross-member 3 and the upright 4.
  • the part 2 comprises a groove 7 engaged around the collar 5.
  • the part 2 has in cross section an M-shaped profile whose two central branches 2a delimit between them the groove 7 and the lateral branches 2b, oblique, suitably bent longitudinally at their free end, allow the attachment of the part 2 to the crosspiece 3 by welding.
  • the part 2 comprises two flat parts 2c, situated in the same plane and oriented perpendicular to the groove 7, on either side of the opening from which they extend widely.
  • the depth of the groove is provided so that in the assembled position of the part 2 and the flange 5, the flat parts 2c can come to bear against the wall of the upright 4.
  • the central branches 2a delimit, with the lateral branches 2b and the parts 2c, free volumes 8.
  • the part of the branches 2a constituting the bottom of the groove 6 is engaged in the cavity of the cross member 3. This part is extended laterally by shoulders 10 bearing against the edge of the opening of the cross member 3, to which they are welded .
  • the lateral edges 11 of the branches 2a and part of those of the branches 2b converge on the side opposite to the cross-member 3.
  • the part 2 is equipped with a key 15 intended to be engaged through holes 16, 17 and 18 formed in the branches 2a and 2b and aligned vertically, as well as through the hole 6 with which they coincide, when the part 2 is engaged on the flange 5.
  • the key 15 has the shape of a wedge and one 15a of its edges is in abutment against the edges turned towards the upright 4 of the holes 17 and 18 while the other 15b of its edges is brought to bear against the opening of the hole 6 during the depression of the key 15.
  • the key 15 is equipped with a stud 20 projecting laterally from its end situated on the side opposite to the lateral branch 2b in which the hole 17 is formed, the width of the latter being such that it allows the passage and the sliding of the key 15 but not the passage of the stud 20 while the width of the holes 16 and 18 is such that it allows the passage through them both of the key 15 and of the stud 20.
  • FIG. 2 represents a metal strip 30 which is symmetrical on either side of its longitudinal and transverse median axes, except for the fact that, among the four holes 36, 37 and 38 which it comprises, the holes 37 and 38 differ in their dimensions.
  • the strip 30 comprises a central part 30a and end parts 30b separated from the central part by intermediate parts 30c.
  • the part 30a comprises the holes 36 and, in its middle, two rectangular recesses 35 formed in its longitudinal edges. On either side of these recesses 35, the latter are oblique and converge towards one another in the direction of the parts 30c then diverge after the latter at the same angle.
  • One of the parts 30b comprises the hole 37 and the other the hole 38.
  • the strip 30 is intended to be folded to allow the production of part 2.
  • the part 30a of the strip 30, after folding over itself around its transverse median axis, constitutes the central branches 2a of the part 2 and the bottom of the groove 7 while its parts 30b constitute the branches 2b and its parts 30c the flat parts 2c.
  • the holes 36, 37 and 38 respectively constitute the holes 16, 17 and 18 and the oblique edges of the strip 30 constituting the converging lateral edges 11 of the branches 2a and 2b of the part 2.
  • the edges 35a of the recesses 35 make it possible to produce the shoulders 10.
  • the forced insertion of the key 15 makes it possible to block the part 2 on the flange 5 and to press the surfaces 2c against the wall of the upright 4.
  • the key 15 cannot be separated from the part 2 by virtue of at the stud 21 and at the hole 17, and always remains at the station, the key 15 being able to be placed in the standby position along the cross-member 3 by virtue of the shape of the part 2, as shown in FIG. 3 in lines mixed, position which facilitates its subsequent engagement through the part 2 and which facilitates the storage and arrangement of the sleepers 3.
  • the parts 2c constitute large areas of support for the part 2, capable of eliminating any play between the cross-member 3 and the upright 4 when they are assembled.
  • the oblique branches 2b play the role of bracing of the parts 2c and make it possible to distribute the forces which the part 2 undergoes.
  • the shoulders 10 make it possible to provide additional attachment points for the part 2 to the cross-member 3, in order to perfectly secure its central branches 2a to the latter.
  • the converging oblique edges of the part 2 allow the mounting of several crosspieces 3 on the flange 4 with minimum angles of spacing between them of 45 °.
  • the part is simple to produce and particularly light, while being very resistant due to its different fixing points.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Clamps And Clips (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)

Claims (8)

  1. Verbindungsstück für längliche Elemente von der Art, welches an einem Ende eines Elementes befestigt ist und eine Rille aufweist, die dazu bestimmt ist, seinen Eingriff um ein komplementäres Befestigungsorgan herum zu erlauben, das von einem anderen Element getragen ist, welches an dem Element befestigt werden soll, an dem das Stück befestigt ist, dadurch gekennzeichnet,
    daß es im Querschnitt ein Profil in der Form eines M aufweist, dessen zwei zentrale Arme (2a), die von den seitlichen Armen (2b) durch Freiräume (8) getrennt sind, zwischen sich die vorerwähnte Rille (7) festlegen, und dessen seitliche Arme (2b) die Befestigung des Stücks (2) an dem länglichen Element (3) erlauben, das mit ihm ausgerüstet ist.
  2. Verbindungsstück nach Anspruch 1, dadurch gekennzeichnet,
    daß es von einem Metallband (30) gebildet ist, welches derart gefaltet ist, daß es seine Arme (2a, 2b) festlegt.
  3. Verbindungsstück nach Anspruch 1 oder 2, dadurch gekennzeichnet,
    daß das Stück (2) zwei ebene Abschnitte (2c) aufweist, die sich in derselben Ebene befinden und senkrecht zu der Rille (7) beidseitig der Öffnung ausgerichtet sind, von der sie weit überstehen, wobei die Tiefe der Rille (7) vorgesehen ist, damit sich in der Verbindungsposition des Stücks (2) und seines vorerwähnten komplementären Befestigungsorgans (5) die ebenen Abschnitte (2c) an der Wand des länglichen Elementes (4) abstützen, das das komplementäre Befestigungsorgan (5) trägt.
  4. Verbindungsstück nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet,
    daß das Stück (2) bestimmt ist, an einem länglichen, innen hohlen Element (3) befestigt zu werden, und der Abschnitt seiner zentralen Arme (2a), der den Boden der Rille (7) festlegt, angepaßt ist, daß er in den Hohlraum des Elementes (3) eingebracht ist, wenn das Stück (2) an jenem befestigt ist, wobei dieser Abschnitt seitlich durch Schultern (10) verlängert ist, die zum Abstützen am Rand der Öffnung des Elementes (3) bestimmt sind.
  5. Verbindungsstück nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet,
    daß das Stück (2) an einem Ende einer Traverse (3) angebracht ist und die Seitenränder (11) seiner Arme (2a, 2b) auf der zu der Traverse entgegengesetzten Seite konvergieren.
  6. Verbindungsstück nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet,
    daß das Stück (2) Löcher (16, 17, 18) aufweist, die, wenn sein Eingriff an dem komplementären Befestigungsorgan (5) erfolgt ist, mit einem Loch (6), das dieses Organ (5) aufweist, derart übereinstimmen, daß mit Kraft durch diese hindurch ein Verriegelungsanker (15) in der Form eines Keils eingeführt werden kann, dessen einer Rand (15a) gegen das Stück (2) und dessen anderer Rand (15b) gegen das Organ (5) drückt, damit er, wenn er eingetrieben ist, die Herstellung der Blockierung des Stücks (2) an dem Organ (5) erlaubt.
  7. Verbindungsstück nach Anspruch 6, dadurch gekennzeichnet,
    daß der Anker (15) nahe seinem weniger breiten Ende einen einen Stift bildenden, vorstehenden Ansatz (20) aufweist und das in dem seitlichen Arm (2b) des Stücks (2) ausgebildete Loch (17), der sich auf der dem Anschlag (20) gegenüberliegenden Seite befindet, vorgesehen ist, daß der Anker (15) aber nicht der Ansatz (20) hindurchgehen kann, während die anderen Löcher (16, 18) vorgesehen sind, den Anker (15) und den Ansatz (20) hindurchgehen zu lassen.
  8. Verbindungsstück nach Anspruch 6 oder 7, dadurch gekennzeichnet,
    daß es angepaßt ist, die Positionierung des Ankers (15) längs des länglichen Elementes zu erlauben, an dem es angebracht ist.
EP91420114A 1990-04-04 1991-04-03 Verbindungsstück für längliche Elemente Expired - Lifetime EP0451068B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91420114T ATE92568T1 (de) 1990-04-04 1991-04-03 Verbindungsstueck fuer laengliche elemente.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9004769A FR2660708B1 (fr) 1990-04-04 1990-04-04 Piece d'assemblage pour elements longiformes.
FR9004769 1990-04-04

Publications (2)

Publication Number Publication Date
EP0451068A1 EP0451068A1 (de) 1991-10-09
EP0451068B1 true EP0451068B1 (de) 1993-08-04

Family

ID=9395747

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91420114A Expired - Lifetime EP0451068B1 (de) 1990-04-04 1991-04-03 Verbindungsstück für längliche Elemente

Country Status (6)

Country Link
US (1) US5217314A (de)
EP (1) EP0451068B1 (de)
AT (1) ATE92568T1 (de)
DE (1) DE69100219T2 (de)
ES (1) ES2027934T3 (de)
FR (1) FR2660708B1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07111094B2 (ja) * 1991-12-27 1995-11-29 小野 辰雄 支柱装置
ES2062945B1 (es) * 1993-03-22 1998-11-01 Ubinana Felix Jose Luis Perfeccionamientos en los nudos de anclaje y articulacion de las barras de estructuras metalicas desmontables.
CA2201535C (en) * 1997-04-02 2006-09-19 Aluma Systems Corp. Scaffolding connector
DE19753295B4 (de) 1997-12-01 2015-11-26 Altrad Plettac Assco Gmbh Verbindungsvorrichtung für einen Auflageriegel
ES1039293Y (es) * 1998-01-26 1999-05-16 Diaz Garcia Miguel Angel Brazo para la fijacion de estructuras.
IT1317132B1 (it) * 2000-03-08 2003-05-27 Ponteggi Dalmine Soc Morsetto per ponteggi e procedimento per la sua realizzazione
DE60136619D1 (de) * 2000-04-04 2009-01-02 Pieter Wouter Booysen Gerüst
SE519230C2 (sv) * 2000-09-06 2003-02-04 Pluseight Technology Ab Anordning för sammankoppling av ställningselement
US6575652B2 (en) * 2001-01-16 2003-06-10 Kurt F. Krauss Structural couplings and system
SE521500C2 (sv) * 2001-03-27 2003-11-04 Pluseight Safety Ab Anordning för personskydd vid byggnadsställningar och förfarande för att skydda personer medelst sådan anordning
EP1537280B1 (de) * 2002-08-29 2007-12-19 Verenigde Bedrijven van Thiel B.V. Querträger für ein gerüst sowie gerüst mit solchen querträgern
SE525339C2 (sv) * 2002-09-27 2005-02-01 Pluseight Safety Ab Anordning för personskydd vid byggnadsställningar
US20060039746A1 (en) * 2004-08-11 2006-02-23 Stringer Matthew D Connecting device for scaffolding
CA2531430C (en) * 2005-12-23 2013-10-08 Etobicoke Ironworks Limited Scaffold deck and self-locking hook
US8206052B1 (en) * 2009-06-22 2012-06-26 Excel Modular Scaffold And Leasing Corporation Modular scaffold horizontal end connector
US8905292B1 (en) 2009-06-22 2014-12-09 Excel Modular Scaffold and Leasing Company Modular scaffold horizontal end connector
US8870136B2 (en) 2011-01-27 2014-10-28 Playcore Wisconsin, Inc. Clamp
DE102011001796A1 (de) 2011-04-05 2012-10-11 Wilhelm Layher Verwaltungs-Gmbh Gerüststiel
WO2012163340A1 (de) * 2011-06-01 2012-12-06 Wilhelm Layher Verwaltungs-Gmbh Anordnung eines gerüstbauteils und eines vertikalen gerüstelements
US20140020982A1 (en) * 2011-11-02 2014-01-23 Saferile Platforms, Inc Pivoting Horizontal and Vertical Scaffold Members and a Method of Erecting an Offset Scaffold Platform
US9835188B2 (en) * 2013-03-14 2017-12-05 Titan Formwork Systems Llc Universal wedge clamp
CN110226014B (zh) * 2017-01-27 2020-06-16 日商日建租赁工业株式会社 临时脚手架用的连结件
USD915622S1 (en) * 2018-01-10 2021-04-06 Nikken Lease Kogyo Co., Ltd. Locking member of horizontal supporter for scaffolds
CA3039877A1 (en) * 2018-04-10 2019-10-10 Deltak Manufacturing, Inc. Triple latching horizontal scaffold member with three triggers
US10844888B2 (en) * 2018-10-12 2020-11-24 Titan Formwork Systems, Llc Clamp for connecting ledger to shoring post
EP3712348B1 (de) * 2019-03-20 2023-07-12 ALTRAD plettac assco GmbH Anordnung
CO2021015192A1 (es) * 2021-11-10 2023-05-19 Fernandez Juan Carlos Cantillo Sistema de andamio y dispositivo de anclaje

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US1805742A (en) * 1930-01-21 1931-05-19 Reynolds Edwin Rod supporting bracket
US2743657A (en) * 1953-04-20 1956-05-01 Int Harvester Co Implement clamp
US2973982A (en) * 1958-12-22 1961-03-07 Allegheny Steel & Brass Corp Attaching means
DE2449124C3 (de) * 1974-10-16 1980-01-03 Eberhard 7129 Gueglingen Layher Verbindungsvorrichtung für Gerüstelemente
GB2043824B (en) * 1979-03-08 1982-11-17 Evans & Sons Ltd C Connector assembly for scaffold structures
FR2520482A1 (fr) * 1982-01-28 1983-07-29 Roux Marcel Dispositif d'assemblage multidirectionnel entre les elements d'une construction tubulaire
DE3407425A1 (de) * 1984-02-29 1985-09-05 Ulrich 7129 Güglingen Layher Metallrohrgeruest
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DE3824823A1 (de) * 1988-07-21 1990-01-25 Langer Ruth Geb Layher Anschlussausbildung fuer horizontaltraeger von geruestboeden
DE3934857A1 (de) * 1989-10-19 1991-04-25 Langer Ruth Geb Layher Anschlusskopf fuer geruest
US5143471A (en) * 1989-10-20 1992-09-01 Samuel Spinner Tubular reinforcement element and method of making same

Also Published As

Publication number Publication date
US5217314A (en) 1993-06-08
ATE92568T1 (de) 1993-08-15
DE69100219D1 (de) 1993-09-09
ES2027934T1 (es) 1992-07-01
ES2027934T3 (es) 1993-12-16
FR2660708B1 (fr) 1993-05-21
EP0451068A1 (de) 1991-10-09
DE69100219T2 (de) 1994-05-19
FR2660708A1 (fr) 1991-10-11

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