EP0053970A1 - Vorrichtung zum gerichteten Verbinden von insbesondere rohrförmigen Gerüstelementen - Google Patents

Vorrichtung zum gerichteten Verbinden von insbesondere rohrförmigen Gerüstelementen Download PDF

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Publication number
EP0053970A1
EP0053970A1 EP81401879A EP81401879A EP0053970A1 EP 0053970 A1 EP0053970 A1 EP 0053970A1 EP 81401879 A EP81401879 A EP 81401879A EP 81401879 A EP81401879 A EP 81401879A EP 0053970 A1 EP0053970 A1 EP 0053970A1
Authority
EP
European Patent Office
Prior art keywords
flange
radial
ring
arm
key
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
EP81401879A
Other languages
English (en)
French (fr)
Other versions
EP0053970B1 (de
Inventor
Marcel Henri René Roux
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
Priority claimed from FR8025734A external-priority patent/FR2495672A1/fr
Priority claimed from FR8120117A external-priority patent/FR2515238A1/fr
Application filed by Individual filed Critical Individual
Priority to AT81401879T priority Critical patent/ATE18785T1/de
Publication of EP0053970A1 publication Critical patent/EP0053970A1/de
Application granted granted Critical
Publication of EP0053970B1 publication Critical patent/EP0053970B1/de
Expired legal-status Critical Current

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    • 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 a directional assembly device between the elements, in particular tubular, of a scaffolding. More particularly, it relates to such a device adapted to connect fixedly, rigidly and in a determined direction, horizontal elements, such as crosspieces, beams, beams and diagonals, on vertical elements, such as uprights and posts, in order to form a knot. where the forces transmitted by the horizontal elements arrive at a common point located in the center of the vertical elements and without producing any moment of gyration on them.
  • the directional assembly device between the tubular elements, of a scaffolding for example which is the subject of the present invention, is designed so as to eliminate the aforementioned drawbacks of the known assembly devices, by ensuring stability directional determined to the horizontal elements with respect to the vertical elements and vice versa, both in a horizontal plane and in a vertical plane, this directional stability being obtained from the start of assembly without requiring, for example, checking the squareness of the elements between them at the location of the nodes and / or play, during assembly, on the orientation of these elements before permanently locking them in position by acting on the keyways.
  • such an assembly device between the horizontal and vertical elements of a tubular scaffolding is constituted by a ring carrying four radial arms, at right angles to one another , engaged on a vertical element, each arm being adapted to engage in a flange, integral with the end of the corresponding horizontal element and provided with bosses intended to bear on the ring, on either side of the arm considered, in order to provide this horizontal element with an exact direction in the extension of this arm, this flange being blocked on the latter by the forced insertion of a key in diametrically opposite openings, the end of which horizontal element is provided behind the flange, this key passing through, between these openings, a corresponding rectangular hole located in the engaged arm of the ring.
  • each flange has a central bore, adapted to allow the partial fitting of the corresponding end of the element which carries it fixed by welding, this flange being provided, on the side opposite to its support bosses, with two diametrically opposite notches and corresponding to the rectangular key engagement openings at the end of the element, the bottom of these notches being adapted to serve as support for the face of the key which pushes this flange towards said assembly ring , when the other opposite face of this force-fitted key comes into contact with the outside width side of the hole in the radial arm engaged in this flange.
  • each flange is provided so that its lateral bosses respectively bear on the corresponding sides of the radial arms situated on either side of the arm on which this flange is engaged, thereby providing the latter with a more substantial support seat on the ring and, consequently, an exact orientation in the extension of the engaged arm.
  • the present invention provides another flange design, integral with the corresponding end of this cross member, this flange carrying lateral bosses, adapted to bear on the corresponding side of the bosses of the flanges of the mounted elements and comprising two diametrically opposite front projections, designed to engage respectively on the top and the bottom of the arm in question and provided with openings d 'Key engagement, similar to those of the ends of the other elements and arranged to cooperate in the same way with the rectangular hole in the arm.
  • the assembly ring is provided, between its radial arms, with intermediate external ribs, the peripheral edge of which is designed to receive the bosses of each flange in support and provide the latter ci, as well as the horizontal element which carries it, a direction of fixing exactly in the axial extension of the radial arm which is engaged in this flange.
  • each rib part between two arms can be provided, optionally, with a cylindrical hole suitable for the forced introduction of a conical pin for fixing a yoke end of the diagonal or triangulation bar.
  • the assembly ring is in the form of a star, each branch of which constitutes a radial arm provided with a radial V-shaped recess and lateral bosses at this recess, designed in the form of steps and adapted to receive the support from the front end of said flange or yoke engaged on this arm and secured to the corresponding radial tubular element, these support steps being provided on the two faces, upper and lower , of each branch or arm and over a width and a. sufficient thickness, determined so as to ensure a substantial seat at the end of said flange and directional stability to the radial tubular element, both in a vertical plane and in a horizontal plane, during the keying operation of the 'assembly.
  • each branch is provided on its lower face with a single step-shaped boss, while its upper face has two successive bosses forming two steps, this arrangement being designed to allow a certain movement in the vertical plane to the radial tubular element during engagement and cause automatic tilting in the depressed position of the captive key carried by the flange or yoke of this element.
  • each flange consists of two L-shaped elements fixed together by the edge of their small wing, the edge of their large wing being adapted to the shape of the corresponding step of the ring to come into abutment. stable on the latter.
  • one of the L-shaped elements has a flat key penetration recess closed on its four sides, while, in the other element, the corresponding recess opens into the small wing, in order to allow the introduction of the tip end of the key provided slightly swollen and make it captive of this element when the flange formed by these two elements will be fixed in manufacture on the end of the radial tubular element.
  • the flange element having the recess opening into its small wing is provided with an internal cavity corresponding to the bulge of the tip end of the captive key and allowing the latter to be retracted during the 'engagement of the flange on a branch of the ring, this flange element being engaged on the steps of the upper face of this branch.
  • the device for assembling tubular elements consists of a ring 1 provided with four radial arms 2, arranged at right angles to each other. other, this ring 1 being engaged on a vertical tubular element 3 and each arm being adapted to engage in a flange 4 (shown in section in FIG. 1), integral with the end of a horizontal tubular element 5 (shown dotted for easier understanding).
  • This flange 4 is provided with lateral bosses 6, designed to bear on the body of the ring 1, or on the corresponding side of the radial arms 2 (as shown in FIG. 1) located on either side of the arm fitted in the flange end of the horizontal tubular element 5 considered.
  • This flange is locked in the support position by means of a key (not shown) engaged in the diametrically opposite openings 7,8 made in the end of the horizontal element 5 behind the flange 4, this key crossing between these openings 7,8 a rectangular hole 9 with which each radial arm 2 is provided.
  • the ring 1 has a flared bore at its two opposite ends 10,11 and adapted for its fixing by welding on the vertical tubular element 3, or for its positioning in fixed position, although pivoting, on this element 3 by means of a frustoconical ring (not shown), welded on the latter and whose upper end, of smaller diameter, can engage in the lower flared end 11 of the ring 1.
  • the flange 4 has a central bore 12, adapted to allow the partial fitting of the end of the tubular element 5 and the fixing by welding of the flange on the latter.
  • This flange further comprises, on the side opposite to its bosses 6, that is to say on the side of the element 5, two notches 13, diametrically opposite and corresponding to the rectangular openings 7,8 for key fitting and , thereby, to the rectangular hole 9 of the radial arm 2.
  • the bottom of these notches is adapted to serve as a support for the face of the key which pushes the flange 4 towards the ring 1, when the other opposite face of this key is in contact with the outer edge 14 of the rectangular hole 9.
  • This flange 15 fixed identically to that of the other flanges 4 at the end of a tubular element 16, is provided with lateral bosses 17, adapted to bear on the side of the bosses 6 of the other flanges 4, and comprises two diametrically opposite front projections 18, 19, framing the top and the bottom of the radial arm 2 engaged in it, and provided with key engagement openings 20 (shown in dotted lines in FIG. 1) similar and of the same arrangement as those of ends of other elements 5.
  • the assembly ring 1 is provided, between its radial arms 2, with angular external ribs 21, the edges of which serve to support the lateral bosses 22 of the flanges carried by tubular elements 23.
  • these flanges are designed in the same way as the flanges 4 (of FIG. 1), except that their bosses 22 are less apart laterally and less prominent than the bosses 6 of these flanges.
  • This assembly arrangement makes it possible to mount four horizontal elements perpendicular to each other on the same ring, without their identical flanges interfering with each other.
  • each support rib 21 has a cylindrical hole 24, suitable for the forced introduction of a conical pin for fixing a yoke end of the diagonal or triangulation bar.
  • the ring 31, shown in FIGS. 4 and 5, engaged and fixed on a vertical tubular element 32 is in the form of a star with four branches 33 each of which constitutes a radial arm adapted to receive the engagement of a flange or yoke 34, shown in FIGS. 6 to 8, the assembly being blocked, as can be seen in better in FIG. 9, by means of a flat key 35.
  • Each branch 33 of the ring is provided with a V-shaped radial recess 36, opening out by its flaring on the outer wall of the tube 32.
  • Each branch 33 comprises also, on either side of its recess 36, lateral bosses 37, 38, 39, designed in the form of steps and adapted to receive the support of the front ends 40, 41 of the flange 34, integral with the element radial tubular 42.
  • these support steps are t provided on the two upper 43 and lower 44 faces of each branch 33, over a thickness and a sufficient and determined width to ensure a substantial seat at the corresponding ends 40, 41 of the flange 34 and a directional stability to the radial tubular element 42, both in a vertical plane and in a horizontal plane, during the key locking operation 35,
  • the ring 31, as best seen in Figure 5, is fixed to the vertical tubular element 32 at several radial points provided by the intermediate sectors 45,46,47,48 to the radial recesses 36 of the branches 33 of this ring.
  • the bosses or steps of flange support provided on each branch 33 are distributed so that there are two steps 37,38 on the upper face 43 and a single step 39 on the lower face 44 of this branch, this arrangement being adopted to allow the radial tubular element 42, during engagement, a certain movement in the plane vertical and cause the automatic keying of the captive key 35 into the recess 36 of the branch 33 and its penetration following in the lower recess of the flange 34.
  • each flange or yoke 34 consists of two L-shaped elements 49.50 fixed together by the edge of their small wing 51, the edge of their large wing being adapted to the shape of the corresponding step 37,39 of the branch 33, to come into firm and stable support on these steps.
  • the lower element 50 comprises a recess 52 for penetrating the end of the key tip 35, closed on its four sides, while the upper element 49 comprises a recess 53 opening into the small wing 51, in order to allow the introduction of the key 35, the tip end of which is swollen laterally, and making it captive when the flange 34 formed by these two elements will be fixed during manufacture to the end of the radial tubular element 42.
  • the upper element 49 further comprises an internal cavity 54 corresponding to its recess 52 and having a width sufficient to accommodate the point bulge of the key and retract it when the flange engages on the branch 33 chosen from the ring 31.
EP81401879A 1980-12-04 1981-11-27 Vorrichtung zum gerichteten Verbinden von insbesondere rohrförmigen Gerüstelementen Expired EP0053970B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81401879T ATE18785T1 (de) 1980-12-04 1981-11-27 Vorrichtung zum gerichteten verbinden von insbesondere rohrfoermigen geruestelementen.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8025734A FR2495672A1 (fr) 1980-12-04 1980-12-04 Dispositif d'assemblage entre les elements, notamment tubulaires, d'un echafaudage
FR8025734 1980-12-04
FR8120117 1981-10-27
FR8120117A FR2515238A1 (fr) 1981-10-27 1981-10-27 Dispositif d'assemblage directionnel entre les elements d'un echafaudage, notamment tubulaire

Publications (2)

Publication Number Publication Date
EP0053970A1 true EP0053970A1 (de) 1982-06-16
EP0053970B1 EP0053970B1 (de) 1986-03-26

Family

ID=26222103

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81401879A Expired EP0053970B1 (de) 1980-12-04 1981-11-27 Vorrichtung zum gerichteten Verbinden von insbesondere rohrförmigen Gerüstelementen

Country Status (8)

Country Link
US (1) US4530616A (de)
EP (1) EP0053970B1 (de)
BR (1) BR8107883A (de)
CA (1) CA1204803A (de)
DE (1) DE3174216D1 (de)
ES (1) ES507746A0 (de)
IT (1) IT1168565B (de)
OA (1) OA06961A (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553456A1 (fr) * 1983-10-18 1985-04-19 Roux Marcel Dispositif d'assemblage directionnel entre les elements tubulaires horizontaux et verticaux d'un echafaudage
EP0147496A1 (de) * 1984-01-05 1985-07-10 Gerhard Dobersch Vorrichtung zum Anschliessen von Gerüststreben an die Gerüst-ständer eines Modul-Baugerüstes
GB2151275A (en) * 1983-12-13 1985-07-17 Ruth Langer Dismantable lattice-work construction
EP0376430A1 (de) * 1988-12-28 1990-07-04 Tatsuo Ono Stützvorrichtung
GB2257227A (en) * 1991-07-01 1993-01-06 Sgb Holdings Ltd Connecting construction for pipes,e.g. scaffolding
EP0990748A1 (de) * 1998-09-29 2000-04-05 plettac AG Vertikales Gerüstrohr mit verbesserter Lastaufnahmefähigkeit
CN105863247A (zh) * 2016-05-20 2016-08-17 江苏业强脚手架科技发展有限公司 一种具有锁块的直插式脚手架

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2577964B1 (fr) * 1985-02-27 1987-03-27 Cegedur Noeud d'echafaudage ou de structure similaire et procede d'assemblage
ES2078833B1 (es) * 1992-08-06 1996-08-16 Castillo Cabello Eugenio Del Perfeccionamientos introducidos en escalerillas para andamios de la construccion
CA2201535C (en) * 1997-04-02 2006-09-19 Aluma Systems Corp. Scaffolding connector
CA2634573C (en) * 2008-06-10 2011-05-24 Peter J. Rogers Modular scaffold system
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
GB2502339B (en) 2012-05-25 2018-02-07 Cosmetic Warriors Ltd Solid cosmetic composition
US9835188B2 (en) * 2013-03-14 2017-12-05 Titan Formwork Systems Llc Universal wedge clamp

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1278243A (en) * 1968-09-24 1972-06-21 Alfred Victor Elson Mounting arrangements for scaffolding
FR2247601A1 (de) * 1973-10-10 1975-05-09 Sgb Group Ltd
GB1408566A (en) * 1971-09-17 1975-10-01 Evans & Sons Ltd C Couplings for use in scaffold structures for coupling an upright member to a transom or ledger member
FR2288199A1 (fr) * 1974-10-16 1976-05-14 Layher Eberhard Systeme d'echafaudage tubulaire, notamment pour le batiment
FR2450925A1 (fr) * 1979-03-08 1980-10-03 Evans & Sons Ltd C Raccord perfectionne pour echafaudages

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7701060A (nl) * 1977-02-02 1978-08-04 Ipa Scaffolding Nederland B V Bouwsteiger alsmede van draagnokken voorzien ringelement voor de staanders van zulk een steiger.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1278243A (en) * 1968-09-24 1972-06-21 Alfred Victor Elson Mounting arrangements for scaffolding
GB1408566A (en) * 1971-09-17 1975-10-01 Evans & Sons Ltd C Couplings for use in scaffold structures for coupling an upright member to a transom or ledger member
FR2247601A1 (de) * 1973-10-10 1975-05-09 Sgb Group Ltd
FR2288199A1 (fr) * 1974-10-16 1976-05-14 Layher Eberhard Systeme d'echafaudage tubulaire, notamment pour le batiment
FR2450925A1 (fr) * 1979-03-08 1980-10-03 Evans & Sons Ltd C Raccord perfectionne pour echafaudages

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553456A1 (fr) * 1983-10-18 1985-04-19 Roux Marcel Dispositif d'assemblage directionnel entre les elements tubulaires horizontaux et verticaux d'un echafaudage
GB2151275A (en) * 1983-12-13 1985-07-17 Ruth Langer Dismantable lattice-work construction
EP0147496A1 (de) * 1984-01-05 1985-07-10 Gerhard Dobersch Vorrichtung zum Anschliessen von Gerüststreben an die Gerüst-ständer eines Modul-Baugerüstes
EP0376430A1 (de) * 1988-12-28 1990-07-04 Tatsuo Ono Stützvorrichtung
GR890100856A (en) * 1988-12-28 1991-03-15 Tatsuo Ono Process for the junction of support brackets and support system
GB2257227A (en) * 1991-07-01 1993-01-06 Sgb Holdings Ltd Connecting construction for pipes,e.g. scaffolding
GB2257227B (en) * 1991-07-01 1994-08-17 Sgb Holdings Ltd Connecting construction for pipes,e.g.scaffolding
EP0990748A1 (de) * 1998-09-29 2000-04-05 plettac AG Vertikales Gerüstrohr mit verbesserter Lastaufnahmefähigkeit
CN105863247A (zh) * 2016-05-20 2016-08-17 江苏业强脚手架科技发展有限公司 一种具有锁块的直插式脚手架

Also Published As

Publication number Publication date
CA1204803A (fr) 1986-05-20
EP0053970B1 (de) 1986-03-26
OA06961A (fr) 1983-07-31
BR8107883A (pt) 1982-09-08
DE3174216D1 (en) 1986-04-30
ES8300370A1 (es) 1982-11-01
IT1168565B (it) 1987-05-20
US4530616A (en) 1985-07-23
ES507746A0 (es) 1982-11-01
IT8184984A0 (it) 1981-12-04

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