EP0035424B1 - Hängegerüst für Gebäude - Google Patents

Hängegerüst für Gebäude Download PDF

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Publication number
EP0035424B1
EP0035424B1 EP81400226A EP81400226A EP0035424B1 EP 0035424 B1 EP0035424 B1 EP 0035424B1 EP 81400226 A EP81400226 A EP 81400226A EP 81400226 A EP81400226 A EP 81400226A EP 0035424 B1 EP0035424 B1 EP 0035424B1
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EP
European Patent Office
Prior art keywords
rail
scaffolding
arms
brace
carrying
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
Application number
EP81400226A
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English (en)
French (fr)
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EP0035424A1 (de
Inventor
Raymond Marteau
Marcel René Plaignaud
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Individual
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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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26221614&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0035424(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from FR8003675A external-priority patent/FR2476188A1/fr
Priority claimed from FR8014500A external-priority patent/FR2485599A1/fr
Application filed by Individual filed Critical Individual
Priority to AT81400226T priority Critical patent/ATE7164T1/de
Publication of EP0035424A1 publication Critical patent/EP0035424A1/de
Application granted granted Critical
Publication of EP0035424B1 publication Critical patent/EP0035424B1/de
Expired 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
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • E04G3/34—Mobile scaffolds; Scaffolds with mobile platforms characterised by supporting structures provided on the roofs
    • 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
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • 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
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables

Definitions

  • the invention relates to a flying scaffolding for buildings according to the preamble of claim 1.
  • a flying scaffolding is constituted by a nacelle which is raised or lowered, as the need arises, along an external wall by means of mittens and ropes usually fixed at attachment points arranged at the level of the roof.
  • the rail which must be carried by support members firmly anchored on the roof of the building.
  • the rail is formed of a plurality of elements assembled end to end, so that it can be adapted to the length of the facade.
  • the rail generally consists of a cylindrical tube on which the carriages can roll.
  • the wheels of the same pair arranged on the respective sides of a carriage, rotate in planes which converge downwards, while one of the carriages, said motor, further comprises a drive wheel with rubber tire, frictionally bearing on the upper generator of the rail and integral in rotation with an external pulley maneuverable by a rope from the nacelle.
  • patent FR-A No 1297234 provides a winch with an endless cable and pulleys at the ends of the rail, the lateral movement being obtained by maneuvering the winch.
  • These means are relatively complex and require the arrangement of return pulleys at the ends of the rail and of a cable running all along the rail.
  • FR-A No. 1593758 a suspended scaffold in a goat, a prismatic shape, mounted on the top of a wall at the edge of a roof or terrace.
  • the goat is articulated around a longitudinal axis to allow it to be placed in the position of use.
  • An object of the invention is to provide a flying scaffold which is particularly well suited for working in horizontal strips along the facade of a building, comprising safety means to avoid accidents in the event of breakage of the support carriages, easily. movable and provided with easily adjustable support members to avoid any deflection of the longitudinal rail.
  • the flying scaffolding for building of the aforementioned type is characterized in that, in the vicinity of each of its ends, the spacer connecting the two carriages carries a T-shaped security bracket whose transverse bar is arranged at the inside of the U-shaped rail, perpendicular to the longitudinal plane of symmetry of said rail, has a length greater than the spacing between the folded ends of the wings of the rail, and the vertical bar of which is rigidly connected to the spacer, the latter being arranged under the rail.
  • a rail 10 (fig. 1), intended for the suspension and for guiding in lateral translation, along the facade of a building, of a flying scaffolding nacelle (not shown), is constituted by the end-to-end assembly of linear elements, namely a starting element 11, any number of intermediate elements 12 (only one in the example shown) and a terminal element 13.
  • Each element is provided with at least one suspension means (11a, 11b, 12a, 13a), arranged as will be described below, intended to be hung at the end overhanging support members, shown in fig. 5, placed on the roof of said building.
  • All the elements are U-shaped profiles whose opening 14 faces downwards (fig. 2) and which have a constant internal section from one end to the other of the rail 10.
  • the ends of the wings (10a, 10b ) are folded inwards, preferably in an arc having a center angle a greater than 90 °.
  • the inner face of these flaps forms the raceway of two carriages 15 and 16 each having at least two wheels such as 17 on each lateral side.
  • the circular arc shape of the flaps envelops the lower part of the treads of said wheels, which are thus guided without risk of lateral friction of the carriages against the internal face of the wings 10a and 10b of the rail.
  • the two carriages 15 and 16 are connected by a removable spacer 18 (fig. 3 and 4) whose length corresponds to that of the nacelle to be suspended, and each of the carriages carries a suspension means 19 and 20 for mittens or other members equivalent, otherwise moored to the nacelle in a conventional manner.
  • the spacer 18 rigidly carries a bracket 21a in T whose transverse bar 21b is disposed inside the rail 10, perpendicular to the longitudinal plane of symmetry of said rail, and has a length greater than the spacing of the lips of the opening 14.
  • This bracket ensures the safety of the suspension in the event of the axes of the wheels of a carriage breaking.
  • each rail element carries on its upper face two members 22, such as rings or the like, for handling the element using a lifting device.
  • the rail elements are assembled end to end by embedding a female end on a male end in a movement from top to bottom.
  • the female end of the next element is lowered for assembly and locking.
  • the male end, such as 23, is free of any additional part, with the exception of an added stop 28 carrying an ear provided with an oblong hole.
  • a support tab 25 At the female end 24 of each element is welded, on the upper face, a support tab 25 whose projecting part is intended to rest on the upper face of the male end of the neighboring element.
  • This stirrup 27 carries an ear 29 provided with an oblong hole and a pin, not shown, intended to secure the two elements of the rail.
  • each intermediate element 12 must have a male end 23 and a female end 24, while the initiating element 11 has a male end and is closed at the opposite end by a nozzle 31, and that the terminal element has a female end and an end closed by a nozzle 31.
  • the female end 24 rests on the adjoining male end 23, it is obviously the latter which must be supported, and it is in its vicinity that the suspension means (here a hoop) 11a is disposed. , 12a, 13a, the initiating element being provided with a second suspension means 11b near its closed end.
  • FIGs. 3 and 4 Such a system is shown in Figs. 3 and 4. It comprises a friction roller with a rubber band, or the like, applied against the underside of the rail and integral in rotation with a pulley 32 carried by the spacer 18 and having a trapezoidal groove for endless rope 33, or notched for endless chain maneuverable from the nacelle.
  • the friction roller consists of two twin wheels 34a and 34b, wedged on the same axis 35 as the pulley 32, which apply respectively under the folded edge of each of the wings 10a and 1 Ob of the rail .
  • the axis 35 pivots between the cheeks 36a and 36b of a yoke 36 articulated by the free end of said cheeks around an axis 37 passing through a socket 38 carried by the spacer 18, and subjected at its end opposite to the action of a spring 39 urging said end towards the underside of the rail 10.
  • the wheels 34a and 34b are located on the axis 35 between the cheeks 36a and 36b and the control pulley 32 is, on said axis, offset to the outside of the yoke 36.
  • a return screw 40 makes it possible to act on the arm constituted by the yoke 36 for bringing the wheels 34a, 34b out of contact with the rail 10 against the action of the spring 39, in order to allow the installation of the suspension assembly by engaging it on one of the ends of the rail before fitting the end piece 31, or even engaging it from the start of mounting in the initiating element 11, before the assembly of the closest neighboring intermediate element 12.
  • screw 40 instead of the screw 40, another equivalent means can be provided, for example a rod and cam assembly with two stable positions, or a lock of the so-called grasshopper type, or a quick-release lever, so as to ensure the maintaining the compressed position of the spring 39 during the positioning of the carriages in the rail and its rapid release immediately after.
  • a rod and cam assembly with two stable positions, or a lock of the so-called grasshopper type, or a quick-release lever, so as to ensure the maintaining the compressed position of the spring 39 during the positioning of the carriages in the rail and its rapid release immediately after.
  • the support member for the nacelle essentially comprises: a sole 101 with a front flap 102, intended to be placed on the top of the wall; two fixed arms 103 and 104 in a substantially vertical plane, integral with the sole 101 by means of sleeves 105, 106 and joining to carry an anchoring head 107; two movable arms 108,109 capable of pivoting relative to the sole 101, for example by means of an axis 110 passing through the sleeves 105,106, and approaching to carry the hooking member 111 supporting the nacelle, and a rod 112 for adjusting the position of the mobile arms 108, 109 relative to the fixed arms 103, 104.
  • This rod 112 is provided with a drive crank 113, it is threaded and turns in a tube 114, for example.
  • This tube 114 is crossed by the threaded axis 115 of a shackle 116 which passes around a support axis 117 welded under the close ends of the arms 108 and 109. To the right of this axis 117, the arms 108 and 109 are slightly bent and they meet to form a sort of loop 118 beyond the latching member 111.
  • the anchoring head 107 essentially consists of a plate with raised edges and welded to the arms 103 and 104. It carries an anchoring ring 119 on which is fixed the end of a safety chain 120, the another end is fixed to the support axis 117. On the ring 119 is fixed a cable 121 intended to ensure the rear anchoring of the support member by any known means.
  • the anchoring head 107 has a simple notch 126 into which the end sleeve 127 of the threaded rod 112 is inserted.
  • This member 111 is for example a round iron rod, folded at its two ends 122, having in its middle a curve 123 intended for receiving the ring 124 for supporting a rail 10, running along a facade, from which the nacelle is suspended.
  • the ring 124 When the ring 124 is housed in the curve 123, it urges it downwards, and at the same time it keeps the bent ends 122 of the hooking member 111 downwards. It therefore remains stable.
  • the support member according to the invention When the support member according to the invention is placed at the top of a wall, the sole 101 is on the wall and the flap 102 against the facade, the fixed arms 103, 104 are in a substantially vertical plane, and the rear anchor is provided by the cable 121 on the ring 119.
  • the threaded rod 112 is simply slid into a notch in the anchor head 107.
  • the cranks 113 Once the rail 10 is hooked to a series of support members according to the invention, it is operated the cranks 113 to put the rail at the same height over its entire length.
  • the safety chain 120 could avoid an accident.
  • the threaded rod 112 can be removed from its notch, completely raise the mobile arms 108, 109 against the fixed arms 103, 104 and fold the rod 112 along one of the arms 108 or 109, for example, to have a support member of reduced size, easily transportable, and which can be implemented very easily.
  • the spacer 18 is simplified and it carries, in the vicinity of one of its ends, an axis 52 on which pivots a bracket having a substantially horizontal arm 50 and an arm inclined downward 51, in the example shown.
  • a wheel 53 pivots on an axis 54.
  • a wheel 55 pivots on an axis 56. From this wheel 55, an endless rope 57 hangs freely until in the basket.
  • the wheels 55 and 53 are connected to each other by means of a chain 59.
  • the wheel 53 carries an adherent external lining 60 constituted for example by a tire.
  • the length of the inclined arm and the masses of the wheel 55 and of the rope 57 are such that the wheel 53 is permanently applied against the underside of the rail.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Emergency Lowering Means (AREA)
  • Movable Scaffolding (AREA)

Claims (15)

1. Hängegerüst für Bauwerke, bei dem eine Gondel in üblicher Weise an mindestens zwei Laufkatzen (15, 16) aufgehängt ist, die miteinander durch eine abnehmbare Strebe (18) verbunden sind, deren Länge etwa gleich der Länge der verwendeten Gondel ist, und die Gondel längs einer Schiene (10) verschiebbar ist, die aus einer Vielzahl von zusammengesetzten geradlinigen Teilen (11, 12, 13) gebildet ist, von denen jedes die Form eines umgekehrten U aufweist, dessen Schenkelenden (1 Oa, 10b) umgelegt sind, um als Rollweg für die Rollen der Laufkatze zu dienen; welches Hängegerüst überhängend oben am Gebäude mit Hilfe einer Reihe von auf dem Dach angebrachten Trägerbauteilen angeordnet ist, dadurch gekennzeichnet, dass die die beiden Laufkatzen (15,16) verbindende Strebe (18) jeweils in der Nähe ihrer beiden Enden einen T-förmigen Sicherheitsträger (21 a) trägt, dessen Querbalken (21 b) sich im Innern der U-förmigen Schiene (10) befindet, senkrecht zur Symmetrielängsebene der Schiene (10), und eine Länge aufweist, die grösser ist als der Abstand zwischen den beiden umgelegten Schenkeln (10a, 10b) der Schiene (10), und dessen Vertikalbalken starr mit der Strebe (18) verbunden ist, welch letztere unter der Schiene (10) angeordnet ist.
2. Gerüst nach Anspruch 1, dadurch gekennzeichnet, dass die geradlinigen, mit ihren Enden aneinander angesetzten, die Schiene (10) bildenden Teile durch Aufsetzen eines Aufnahmeendes (24) auf ein Einsteckende (23) in einer Bewegung von oben nach unten zusammengesetzt werden, wobei das Aufnahmeende (24) ein Stützteil (25) trägt, das sich auf der oberen Fläche des Einsteckendes abstützt und dort verriegelbar ist.
3. Gerüst nach Anspruch 2, dadurch gekennzeichnet, dass die Schiene (10) eine beliebige Zahl von geradlinigen Zwischenteilen (12) mit jeweils einem Einsteckende (23) und einem Aufnahmeende (24), ein geradliniges, an einem Ende verschlossenes und am anderen Ende als Einsteckende (23) ausgebildetes Anfangsteil (11) sowie ein an einem Ende verschlossenes und am anderen Ende als Aufnahmeende (24) ausgebildetes Abschlussteil (13) umfasst, und dass jedes Schienenteil (11 bis 13) mit einem Aufhängemittel (11 a, 12a und 11 b, 13a) zum Aufhängen an einem Träger in geringem Abstand zu seinem Einsteckende (23) für die Zwischenteile (12) und zu seinem verschlossenen Ende für die Endteile (11 und 13) versehen ist.
4. Gerüst nach einem der Ansprüche 1 bis 3, im Falle der Verwendung an einer Fassade von vergleichsweise geringer Länge, dadurch gekennzeichnet, dass die seitliche Verschiebung durch Ziehen an dem einen oder anderen von zwei Seilen erfolgt, die jeweils an den Enden der Schiene (10) befestigt sind und die nach Durchlaufen einer an den entsprechenden Laufkatzen (15, 16) angeordneten Umlenkrolle von der Gondel vertikal nach unten hängen.
5. Gerüst nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Verschiebung der aufgehängten Einheit, bestehend aus den beiden Laufkatzen (15, 16) und ihrer Strebe (18) durch Betätigung eines Endlosseiles (33) oder einer Endloskette von der Gondel aus erfolgt, welches Endlosseil mit einem von der Strebe (18) getragenen Rillenrad (32) verbunden ist, das rotationsmässig kraftschlüssig mit einer Reibungsrolle mit Gummibelag od. dgl. verbunden ist, die an der Unterseite der Schiene (10) anliegt.
6. Gerüst nach Anspruch 5, dadurch gekennzeichnet, dass die Reibungsrolle aus zwei benachbarten Rädern (34a, 34b) besteht, die jeweils an dem umgelegten Rand eines jeden Schenkels (1 Oa, 10b) der Schiene (10) anliegen.
7. Gerüst nach einem der Ansprüche 5 und 6, dadurch gekennzeichnet, dass die Reibungsrolle (34a, 34b) von einem mit einem seiner Enden an der Strebe (18) angelenkten Arm (36) getragen wird, der in der Nähe seines anderen Endes der Wirkung einer Feder (39) ausgesetzt ist, die ihn in Richtung auf die Schiene (10) drückt.
8. Gerüst nach Anspruch 1, dadurch gekennzeichnet, dass jedes Trägerbauteil folgendes aufweist: eine Stützplatte (101) zur Anordnung an der Oberkante einer Mauer, zwei in einer im wesentlichen senkrechten Ebene feststehende Arme (103, 104), die kraftschlüssig mit der Stützplatte (101) verbunden sind und zusammenlaufen, um einen Verankerungskopf (107) zu tragen, zwei bewegliche Arme (108, 109), die gegenüber der Stützplatte (101) schwenkbar sind und zusammenlaufen, um das die Gondel tragende Einhängeteil (111) zu tragen und eine Stange (112) zur Einstellung der Lage der beweglichen Arme (108, 109), in bezug auf die feststehenden Arme (103, 104).
9. Gerüst nach Anspruch 8, dadurch gekennzeichnet, dass die beweglichen Arme (108, 109) kraftschlüssig mit einer drehbar auf der Stützplatte (101) angeordneten Welle (110) verbunden sind.
10. Gerüst nach Anspruch 8, dadurch gekennzeichnet, dass der Verankerungskopf (107) aus einer Platte mit umgebogenen, an die feststehenden Arme (103, 104) angeschweissten Kanten besteht, und dass er einen Verankerungsring (119) zur Aufnahme eines Seiles (121) aufweist.
11. Gerüst nach Anspruch 10, dadurch gekennzeichnet, dass der Verankerungskopf (107) eine Kerbe (126) aufweist, in die die Endmuffe (127) der Einstellstange (112) eingefügt ist.
12. Gerüst nach Anspruch 8, dadurch gekennzeichnet, dass die Einstellstange (112) endseitig eine Kurbel (113) aufweist und sich in einem Rohr (114) dreht, das in der Nähe des Einhängeteils (111) an einer kraftschlüssig mit den beweglichen Armen (108, 109) verbundenen Trägerstange (117) befestigt ist.
13. Gerüst nach der Gesamtheit der Ansprüche 10 und 12, dadurch gekennzeichnet, dass eine Sicherheitskette (120) zwischen der Trägerstange (117) und dem Verankerungsring (119) angeordnet ist.
14. Gerüst nach Anspruch 12, dadurch gekennzeichnet, dass das Verankerungsteil (111) eine an ihren Enden umgebogene Stange ist, die in ihrer Mitte eine Krümmung (123) aufweist.
15. Gerüst nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass es einen zweiarmigen Träger (50, 51 ) aufweist, der um eine von der Strebe (18) getragenen Welle (52) schwenkbar ist, dass einer der Arme (50) des Trägers ein Rad (53) mit einem Haftüberzug (60) trägt, das an der unteren Fläche der Schiene (10) anliegt, dass der andere Arm (51 ) des Trägers ein Rad (55) trägt, das mit Hilfe eines Endlosseiles (57) drehbar ist, und dass die beiden Räder (53 und 55) durch eine Kette (59) rotationsmässig gekoppelt sind.
EP81400226A 1980-02-20 1981-02-13 Hängegerüst für Gebäude Expired EP0035424B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81400226T ATE7164T1 (de) 1980-02-20 1981-02-13 Haengegeruest fuer gebaeude.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8003675A FR2476188A1 (fr) 1980-02-20 1980-02-20 Dispositif de suspension et de deplacement lateral d'un echafaudage volant pour batiment
FR8003675 1980-02-20
FR8014500A FR2485599A1 (fr) 1980-06-30 1980-06-30 Dispositif de support pour echafaudage volant
FR8014500 1980-06-30

Publications (2)

Publication Number Publication Date
EP0035424A1 EP0035424A1 (de) 1981-09-09
EP0035424B1 true EP0035424B1 (de) 1984-04-18

Family

ID=26221614

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81400226A Expired EP0035424B1 (de) 1980-02-20 1981-02-13 Hängegerüst für Gebäude

Country Status (4)

Country Link
EP (1) EP0035424B1 (de)
DE (1) DE3163147D1 (de)
ES (1) ES267106Y (de)
PT (1) PT72537B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2672920B1 (fr) * 1991-02-18 1993-04-23 Joly Gilles Dispositif modulaire de support pour echafaudage volant.
DE10104247C1 (de) * 2001-01-31 2002-07-25 Asg Aluminium Systeme Gmbh Befahranlage
DE10104248C1 (de) * 2001-01-31 2002-10-02 Asg Aluminium Systeme Gmbh Fassadenbefahranlage
WO2010006074A2 (en) * 2008-07-09 2010-01-14 Mark Sorensen Post-tension strand repair method and apparatus
CN110546421B (zh) * 2017-04-21 2021-10-22 西普有限责任公司 快速释放式支架系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH291759A (de) * 1951-07-03 1953-07-15 Ag Duesa An einer Baukonstruktion montierbare, eine Tragschiene für ein Hebezeug umfassende Einrichtung.
DE1292833B (de) * 1964-03-06 1969-04-17 Mannesmann Leichtbau Gmbh Die Bruestung von Gebaeuden uebergreifender Klemmbuegel zum Aufhaengen von Haengebuehnen
FR1593758A (de) * 1968-11-28 1970-06-01

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1297234A (fr) * 1961-05-16 1962-06-29 Dispositif pour faciliter les travaux sur façades d'immeubles

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH291759A (de) * 1951-07-03 1953-07-15 Ag Duesa An einer Baukonstruktion montierbare, eine Tragschiene für ein Hebezeug umfassende Einrichtung.
DE1292833B (de) * 1964-03-06 1969-04-17 Mannesmann Leichtbau Gmbh Die Bruestung von Gebaeuden uebergreifender Klemmbuegel zum Aufhaengen von Haengebuehnen
FR1593758A (de) * 1968-11-28 1970-06-01

Also Published As

Publication number Publication date
ES267106U (es) 1983-04-16
ES267106Y (es) 1983-11-16
PT72537A (fr) 1981-03-01
EP0035424A1 (de) 1981-09-09
DE3163147D1 (en) 1984-05-24
PT72537B (fr) 1982-03-10

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