EP0099298B1 - Système d'accrochage sur un bâtiment et application à la réalisation d'échafaudages - Google Patents

Système d'accrochage sur un bâtiment et application à la réalisation d'échafaudages Download PDF

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Publication number
EP0099298B1
EP0099298B1 EP83401416A EP83401416A EP0099298B1 EP 0099298 B1 EP0099298 B1 EP 0099298B1 EP 83401416 A EP83401416 A EP 83401416A EP 83401416 A EP83401416 A EP 83401416A EP 0099298 B1 EP0099298 B1 EP 0099298B1
Authority
EP
European Patent Office
Prior art keywords
accordance
removable member
bar
building
intended
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
EP83401416A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0099298A1 (fr
Inventor
Alain Bonnange
Raymond Battais
Georges Hennion
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.)
GROUPEMENT d'ENTREPRISES de COUVERTURE pour l'AMELIORATION des CONDITIONS de TRAVAIL
Original Assignee
GROUPEMENT d'ENTREPRISES de COUVERTURE pour l'AMELIORATION des CONDITIONS de TRAVAIL
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 GROUPEMENT d'ENTREPRISES de COUVERTURE pour l'AMELIORATION des CONDITIONS de TRAVAIL filed Critical GROUPEMENT d'ENTREPRISES de COUVERTURE pour l'AMELIORATION des CONDITIONS de TRAVAIL
Priority to AT83401416T priority Critical patent/ATE16410T1/de
Publication of EP0099298A1 publication Critical patent/EP0099298A1/fr
Application granted granted Critical
Publication of EP0099298B1 publication Critical patent/EP0099298B1/fr
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
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/12—Devices or arrangements allowing walking on the roof or in the gutter
    • 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
    • E04G3/22—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by roofs or ceilings
    • 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
    • E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
    • E04G5/041—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffolds on roof frameworks or on 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
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
    • E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls

Definitions

  • the invention relates to a system for hanging on a building, comprising at least one fixed part constituted by an anchor bar intended to be fixed to at least one rafter of the frame of the building, and at least one removable member intended to be attached to the anchor bar and supporting equipment used for building maintenance such as scaffolding on a wall or roof.
  • a system is known from FR-A No. 2402751.
  • Removable members are constituted by pliers carrying at one of their ends mars adaptable to the bar, and at their other end an articulated finger which is in turn articulated a support pad on the roof covering.
  • This device has the disadvantage that the removable members are complex and expensive. In addition, they are strongly supported on the cover which can be harmful to the latter. Indeed, the support pads work like the support points of a lever, inflicting a considerable stress on the cover.
  • the attachment system of the type indicated at the beginning is characterized in that the bar is mounted in a fixed angular position relative to the frame, and in that the attachment means are of a type known per se providing a rigid embedding when they are in a retaining position, and in that this embedding keeps the removable member in the upright position relative to the plane of the frame considered.
  • the system comprises at least one other fixed part constituted by a tube intended to be embedded in the masonry of the wall, and this tube comprises inside its retaining means provided to cooperate with the same organs removable than the anchor bar.
  • a building can be equipped with two types of permanent elements for the subsequent fixing of temporary installations, and the same removable members can be adapted as desired to one or the other type of elements, namely the bar for anchoring the frame or the tubes in the masonry.
  • the removable member comprises a flat part having a constricted section, each fixed part comprising a slot for receiving said flat part, and this slot has an enlarged area to allow rotation of the constricted section.
  • the removable member is secured to the fixed part in the manner of a key engaged and turned in a lock, which makes it very improbable accidental unlocking, while requiring only an extremely simple locking operation.
  • the bar can be designed to be placed on a certain number of rafters of the roof, and to be fixed there by jumpers.
  • This method of fixing the bar avoids having to cut into the rafters, the resistance of which is in no way weakened, which further improves the reliability of the fixing, and the bar is sheltered from inclement weather.
  • the bar can also be made in several sections connected to run from one end to the other of the roof.
  • a flat anchor bar 1 is placed on rafters 2 of a roof to run parallel to the horizontal edge of the roof.
  • This bar which constitutes a fixed part, is fixed to the rafters by jumpers 3 made of folded thin sheet metal, which embrace the bar and are folded against the lateral faces of the rafters where they are fixed by nails 4 which are thus driven perpendicular to any possible tearing force.
  • the bar 1 is placed between two strips 10 for hanging the cover.
  • the jumpers 3 effectively prevent the bar 1 from turning, in particular along an axis parallel to its longitudinal direction.
  • the bar 1 is normally produced in sections such as 1 a, 1 b of reduced length (2 m for example) to facilitate transport, and these sections are assembled by superposition of their ends by means of bolts 5 with square neck engaged in also square holes in the bar, so as to facilitate assembly by means of a single key (fig. 2).
  • a number of equidistant slots 6 are distributed over the length of the bar 1, with their largest dimension parallel to the length of the bar. These slots have a circular widening 7 which is not located in the middle of the slot.
  • a removable member 8 (see also fig. 3) is constituted by an elongated massive metal piece having at one of its ends a flat part 9 of thickness e1 greater than the width of the slots 6. In the vicinity of the end of the removable member 8, a flat part 9a has a thickness e2 less than the width of the slots 6. Between the flat parts 9 and 9a, separated by a distance barely greater than the thickness of the bar 1, a constricted section 11 whose width C is greater than the thickness e2 for reasons of resistance and which is offset from the longitudinal axis of the member 8. The ends of the constricted section 11 are rounded along substantially the same radius than that of the circular enlargement 7 of the slots 6. The total width A of the member 8 is slightly less than the length of the slots 6.
  • the removable member 8 comprises stiffening wings 12 which are profiled externally along a portion of cylinder enveloping said member. At the end opposite to the flat part 9, an orifice 13 is provided for fixing any machine such as a carabiner 14.
  • a notch 15 Towards the middle of the member 8 is made a notch 15 whose role will be explained later.
  • the flat part 9a is engaged in a slot 6 until the flat part 9 abuts on the bar because of its thickness. Then the member 8 is made to turn a quarter of a turn to bring it into a retaining position, shown in FIG. 1.
  • the constricted part 11 is, by construction, concentric with the enlargement 7, while the bar 1 is closely engaged between the parts 9 and 9a on either side of the constriction 11.
  • the member 8 is then positioned with a high degree of reliability, in the manner of a key engaged and turned in a lock.
  • the member 8 is effectively prevented from rotating relative to the bar 1 along an axis parallel to the longitudinal direction of the bar 1.
  • the cooperation between the removable member 8 and the bar 1 is such that neither the bar 1 nor the member 8 can pivot about an axis parallel to the longitudinal direction of the bar 1, the member 8 is kept erect projecting relative to the outer face of the cover, substantially perpendicular to the latter.
  • the removable member 8 can therefore support without moving loads directed vertically downwards, or even parallel to the lines of the greatest slope of the roofing section considered.
  • cover elements 32 made of cover metal such as zinc, having same format as the slates 31 and same means of fixing to the battens 10.
  • these fixing means consist of two orifices 33 intended to receive a nail (not shown).
  • the element 32 comprises a plate 34 comprising the holes 33 and which will therefore be fixed on the roof.
  • This plate includes a light 36.
  • the spacing of the slots 6 corresponds to the spacing of the slates 31, or to a multiple thereof, and to the positioning, the longitudinal position was adjusted of the bar 1 relative to the planned position of the slates 31 so that the openings 36 of the elements 32 each come opposite a slot 6.
  • an element 32 has not been placed above each slot 6, but only in certain judiciously chosen locations.
  • the large number of slots 6 in the bar 1, for example every 15 cm, allows with bars of a single model to arrange in each particular case of the building the anchor points at the most favorable locations.
  • the element 32 also includes a cover 37 covering substantially the entire side of the plate 34 facing the outside of the building.
  • the cover 37 is slidably mounted in two slides 38 formed by the lateral edges of the plate 34, folded 180 ° towards one another.
  • the plate 34 further comprises at its lower edge a tongue 39 curved towards the outside of the building to stop the cover 37 in the closed position.
  • the cover 37 In the absence of work, the cover 37 is closed in abutment against the tongue 39.
  • the position of the slots 6 to be used is signaled outside by the presence of the elements 32
  • the cover 37 of an element 32 is slid to reveal the light 36, any covering elements such as slates 31 are deposited, which are partially covered by the element 32 and are therefore interposed between the light 36 and the corresponding slot 6, and the anchoring member 8 (fig. 10) is installed in the slot 6 thus made visible.
  • fig. 12 and 13 The realization of fig. 12 and 13 is intended to avoid having to dismantle normal cover elements such as 31 to access the slots 6, in the case of a roof where the cover elements overlap in staggered rows so that there is everywhere at least three cover thicknesses.
  • the embodiment shown relates to a tiled roof, but the structure can be transposed to other materials such as slate.
  • An underlying element 32a comprises, at the limit of its upper third, intended to be against the anchor bar 1 in line with a slot 6, a rectangular light 36a surrounded by a rectangular chimney 41 directed towards the outside of the cover.
  • the walls of the chimney each have a rectangular ventilation hole 42 at a distance from the flat part of the element 32a.
  • the chimney 41 is closed by a sliding cover 43 overhanging the openings 42 to prevent water entering by this route.
  • Two intermediate elements 32b each have at the limit of its lower third a rectangular notch 36b in its edge adjacent to the other element 32b.
  • the two notches 36b complement each other to form an opening adapted to the section of the chimney 41 and surround it fairly closely.
  • a covering element 32c has in its lower edge a rectangular notch 36c, the dimensions of which correspond to the half-section of the chimney 41.
  • the building is equipped with a certain number of other fixed parts (FIGS. 5 to 8), each consisting of a tube 20 embedded in the masonry of a wall 22 and emerging at the surface of the wall. In the vicinity of its bottom, this tube comprises a web 21 having a slot 26 with a circular widening 27.
  • the web 21 with its slot 26 plays exactly the same role as the aforementioned bar 1 with its slot 6 to receive a removable member 8 which is exactly the same in both cases.
  • the internal diameter of the tube 20 is slightly greater than the width A of the member 8, which allows easy rotation of this member with a view to its passage into the retaining position, this rotation being moreover guided by the profiled wings 12 which marry the wall of the tube.
  • a lug 30 is formed on the lower wall of the tube 20 to cooperate with the notch 15 of the member 8.
  • H and B marks are provided on an outer rim 31 of the tube in order to indicate the appropriate direction of rotation to give to the member 8 for its locking.
  • the removable member 8, adaptable to the anchor bar 1 of FIGS. 1 to 9, comprises an anchor 44 consisting of a threaded central rod 46 at the end of which are fixed two opposite arms 47 whose free ends 48 are bent on the side of the rod 46.
  • the diameter of the rod 46 is equal , apart from the engagement clearance, that of the bulge 7 of each slot 6.
  • the width of the arms 47 allows them to pass through the slot 6.
  • the free distance between the two bent ends 48 corresponds substantially to the width of the bar 1
  • the distance between the axis of the bulge 7 and the end of the slot 6 which is furthest from it (due to the offset of the bulge 7) is greater than the straight overall length of each arm 47.
  • the member & also comprises a clamping sleeve 45 consisting of two nuts 49 welded on either side of a coaxial tubular spacer 51 and engaged on the threaded rod 46, the end of which opposite the arms 47 carries a ring 52.
  • one of the arms 47 is engaged in the slot 6 on the shortest side relative to the bulge 7, and the bent end 48 is thus passed under the bar 1, so that the rod 46 is opposite the bulge 7.
  • the bush 45 locks the member 8 in the retaining position.
  • the devices which have just been described allow the installation of scaffolding of various types (FIG. 9), such as gangways 101 for facade work, with suspension on the roof and recovery on the facade, or consoles 102 for work on the roof, or uprights 103 for supporting a shelter canvas.
  • the equidistant distribution of the slots 6 makes it possible to use scaffolding material made of prefabricated elements.
  • the devices 102 include supports on the cover, but this is inherent in this type of device and does not affect the system according to the invention.
  • the device also allows the attachment of individual safety harnesses.
  • This hanging device applies to roofs of all types and all slopes.
  • anchor bars in any position, and in particular parallel to the lines of greatest slope of the roof.
  • a bar could thus be fixed by brackets next to a rafter in the vicinity of a lateral edge of the roof, to allow the installation of a safety balustrade.
  • the slots such as 6 could be perpendicular to the longitudinal direction of the bar.
  • the invention is of course in no way limited to wooden frames, and it is in particular applicable to metal frames.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Ladders (AREA)
  • Movable Scaffolding (AREA)
EP83401416A 1982-07-09 1983-07-08 Système d'accrochage sur un bâtiment et application à la réalisation d'échafaudages Expired EP0099298B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83401416T ATE16410T1 (de) 1982-07-09 1983-07-08 Befestigungsvorrichtung fuer ein gebaeude und anwendung bei dem aufbau von geruesten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8212070 1982-07-09
FR8212070A FR2529932A1 (fr) 1982-07-09 1982-07-09 Dispositif permanent d'accrochage sur un batiment et application a la realisation d'echafaudages

Publications (2)

Publication Number Publication Date
EP0099298A1 EP0099298A1 (fr) 1984-01-25
EP0099298B1 true EP0099298B1 (fr) 1985-11-06

Family

ID=9275844

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83401416A Expired EP0099298B1 (fr) 1982-07-09 1983-07-08 Système d'accrochage sur un bâtiment et application à la réalisation d'échafaudages

Country Status (4)

Country Link
EP (1) EP0099298B1 (enrdf_load_stackoverflow)
AT (1) ATE16410T1 (enrdf_load_stackoverflow)
DE (2) DE99298T1 (enrdf_load_stackoverflow)
FR (1) FR2529932A1 (enrdf_load_stackoverflow)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2192660A (en) * 1986-07-09 1988-01-20 Timothy Minshull Robathan A kit of parts providing a structure detachably secured to an inclined roof
FR2661440A1 (fr) * 1990-04-25 1991-10-31 Bisiaux Daniel Dispositif de securite utilisant la faitiere pour travailler sur les toitures.
EP0543073B1 (en) * 1991-11-21 1998-07-29 Bjarne Svanberg Roof construction
DE9317759U1 (de) * 1993-11-20 1995-03-16 Klöber, Johannes, 58256 Ennepetal Dacheindeckungsplatte zur Halterung eines Steigtritts o.dgl.
FR2755164B1 (fr) * 1996-10-30 1998-12-24 Dimos Dispositif pour l'attelage d'une structure d'echafaudage
FR2766223B1 (fr) * 1997-07-16 1999-08-20 Daniel Giraud Entreprise Dispositif permettant d'assurer la protection du personnel travaillant sur les toitures
AU756703B2 (en) * 1998-11-11 2003-01-23 Intaks Nz Limited Hanging scaffold assembly
FR2786516B1 (fr) * 1998-12-01 2001-01-05 Jacques Riviere Dispositif d'ancrage de securite sur toiture pour le personnel de maintenance
NL1015286C2 (nl) * 2000-05-24 2001-11-27 Wilhelmus Maria Antonius Klerx Werkwijze voor het verschaffen van bevestigingspunten aan een spouwmuur.
NL1033849C2 (nl) * 2007-05-15 2008-11-18 Weijers Eikhout Beheer B V Zekeringsinrichting voor een hellend dak.
FR2930272B1 (fr) * 2008-04-21 2012-01-13 Frenehard & Michaux Sa Console d'echafaudage, structure d'echafaudage suspendue a une toiture d'un batiment et procede d'installation d'une telle structure
NL2002911C2 (nl) * 2009-05-20 2010-11-23 Dachfix Gmbh Aan panlat bevestigd veiligheidsmiddel.
NL2004586C2 (nl) * 2010-04-21 2011-10-25 Dachfix Gmbh Bevestiging voor het aanbrengen van een veiligheidssysteem.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1535779A (en) * 1922-03-15 1925-04-28 American Safety Device Company Scaffold bench and anchor
CH207052A (de) * 1937-09-18 1939-09-30 Schaerer Emil Haltevorrichtung für Rüstbretträger.
FR1535094A (fr) * 1966-08-17 1968-08-02 Eltreva Ag Dispositif de retenue pour les ferrures sur un profilé de cadre doté d'une glissière de guidage en queue d'aronde
DE7022620U (de) * 1970-06-16 1970-12-23 Rheinstahl Henschel Ag Schraubverbindungsvorrichtung
FR2129007A5 (enrdf_load_stackoverflow) * 1971-03-11 1972-10-27 Sonofam
FR2402751A1 (fr) * 1977-09-13 1979-04-06 Battais & Cie Dispositif amovible d'attache sur toiture
DE2841682C2 (de) * 1978-09-25 1980-10-02 Erich 4170 Geldern Haag Vorrichtung zum Begehen von mit Dacheindeckungsplatten eingedeckten Dächern

Also Published As

Publication number Publication date
FR2529932A1 (fr) 1984-01-13
ATE16410T1 (de) 1985-11-15
FR2529932B1 (enrdf_load_stackoverflow) 1985-03-15
DE3361173D1 (en) 1985-12-12
DE99298T1 (de) 1984-04-26
EP0099298A1 (fr) 1984-01-25

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