EP0478899B1 - Crochet pour fixer sur une toiture une échelle et autres dispositifs de barrière et de retenue - Google Patents

Crochet pour fixer sur une toiture une échelle et autres dispositifs de barrière et de retenue Download PDF

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Publication number
EP0478899B1
EP0478899B1 EP91110516A EP91110516A EP0478899B1 EP 0478899 B1 EP0478899 B1 EP 0478899B1 EP 91110516 A EP91110516 A EP 91110516A EP 91110516 A EP91110516 A EP 91110516A EP 0478899 B1 EP0478899 B1 EP 0478899B1
Authority
EP
European Patent Office
Prior art keywords
hook
roof
eyelet
eye
width
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
EP91110516A
Other languages
German (de)
English (en)
Other versions
EP0478899A1 (fr
Inventor
Hans Gielissen
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 AT91110516T priority Critical patent/ATE100168T1/de
Publication of EP0478899A1 publication Critical patent/EP0478899A1/fr
Application granted granted Critical
Publication of EP0478899B1 publication Critical patent/EP0478899B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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

Definitions

  • the invention relates to a roof hook for attaching a ladder or the like to a roof covering, consisting of a holder arm which can be fixed on the roof, the eaves-side end of which is bent up to form a hook, and which in its area facing the roof covering is a ridge side of the hook apex for hanging one
  • Has safety rope or the like serving eyelet which is formed by at least one incision extending parallel to the longitudinal direction of the roof hook and by bending out a strip lying next to this incision into the interior of the hook.
  • Such a roof hook is part of the prior art (DE-30 18 721 C2).
  • Such a roof hook can be produced with little effort, because the production takes place solely by cutting and bending.
  • the eyelet tapers preferably towards the top of the hook, so that when a shock load is absorbed by it, it widens over a hooked carabiner hook of a safety rope and thereby dampens the shock load.
  • roof hooks In addition to such roof hooks, other elements are often required on the roof for other purposes, for example hooks for fastening roofing chairs or roof protection walls, snow guard supports and snow stoppers. These elements are specifically designed for the individual tasks.
  • the invention has for its object to provide a roof hook that can be used universally for different purposes.
  • the hook in the area of its free end facing away from the roof covering has a multiple eyelet delimited by three strips, which have two incisions extending in the longitudinal direction of the roof hook, by bending out between them Incisions lying central strip out of the hook contour and by bending the two edge strips from the central strip in the hook contour is formed.
  • the median strip of the multiple eyelet is preferably bent out of the inside of the hook so that the inside of the hook is not restricted in the clear width.
  • roof hook is a further development of the known roof hook described, that is to say that it has all the functions and properties of the roof hook described and also serves other purposes.
  • the roof hook acts as a snow stop due to the two bent-out edge strips. If several roof hooks are arranged in a horizontal row, then a rod can be pushed through the multiple eyelets Snow guard rod acts or as a movable stop for a rope safety device.
  • the roof hook is used to securely fasten handrails of protective roof walls or roofing chairs, because the bent-out edge strips mean that a rod hooked into the hook with one eye cannot easily be released from the hook.
  • the eye of the hooked-in tie rod has a clear width in the upper part that is larger than the width of the hook in the apex area and smaller than the width of the multiple eyelet and has a clear width in the lower part that is larger than that Width of the multiple eyelet is.
  • the pull rod can be easily hooked in without swiveling to the side and is secured against unintentional loosening even if the hook should bend downwards under heavy loads.
  • the pull rod has at least one damping element in the form of an eye lying in the force path of the train, which is deformable by tensile forces.
  • the roof hook is made of a one-piece flat iron and consists of a straight cranked holding arm 1, the free, eaves-side end of which is bent to form a hook 2.
  • the upper part 1a of the holding arm 1 is fastened to a rafter 4 of a roof truss with two anchor rotating nails 3, only one of which is shown in the drawing.
  • the upper one has a square under the head and can be screwed in through the roof hook if the hole in the upper part is designed accordingly.
  • the lower anchor turning nail 3 must be screwed in with a wrench. Therefore, it must have an appropriate head and be cylindrical below the head. Instead of a lower anchor rotating nail, a nail can simply be hammered in.
  • This upper part 1a is under a roof tile, not shown in the drawing.
  • the lower part 1b of the roof hook lies on a roof tile 5.
  • the hook 2 In its area facing the roof covering, the hook 2 has an eyelet 6 lying on the ridge side of the hook apex, which is formed by a central incision running in the longitudinal direction of the hook 2 and by bending out a strip lying next to this incision toward the inside of the hook. This results in a lenticular shape in side view.
  • the hook 2 In its freely projecting section 8 facing away from the roof covering, the hook 2 has a further multiple eyelet 9, which is formed by a central strip 10 and two edge strips 11, 12.
  • the median strip 10 and the edge strips 11, 12 are defined by two in the longitudinal direction of the Hook 2 extending incisions and formed by bending out the strips 10-12 by the middle strip 10 out of the hook contour and the edge strips 11, 12 in the hook contour are bent outwards.
  • a safety rope with a snap hook can be hung.
  • rods 13 can also be inserted through the aligned eyelets 6, which then serve as a movable stop for snap hooks 14 of a rope safety device.
  • the rods 13 can also serve as snow guard rods.
  • snow guard rods 15 are preferably used, which are inserted through the aligned multiple eyelets 9.
  • section 8 in the area of the multiple eyelet 9 is considerably wider than in the rest of the area because of the laterally removed edge strips 11, 12, it can also perform the function of a snow stopper.
  • the roof hooks can also be used for protective wall brackets, which are hooked into the hook 2 via tie rods 16, 17.
  • the pull rod 17 is provided with a specially designed eye 17 a which has a clear width in the lower region which is greater than the width of the two edge strips 11, 12 and which has a clear width in the upper region which is smaller than the width of the edge strips but larger than the width of the hook 2 in the apex region.
  • the pull rod 17 can have an eye 18 which is at large tensile load deformed. This eye 18 then serves as damping.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Emergency Lowering Means (AREA)
  • Ladders (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Claims (5)

  1. Crochet de couvreur destiné à fixer une échelle ou analogue sur une couverture de toit, composé d'un bras de montage (1) pouvant être fixé au toit, dont l'extrémité côté gouttière est recourbée vers le haut pour former un crochet (2) et qui, dans sa région (lb) dirigée vers la couverture du toit, présente une boucle (6), située au côté faîte du sommet du crochet, destinée à l'accrochage d'une corde de retenue ou similaire, boucle qui est formée par au moins une entaille s'étendant parallèlement à la direction longitudinale du crochet de couvreur et en écartant une bande (7) située à côté de cette entaille pour le placer dans l'espace intérieur du crochet, caractérisé en ce que le crochet possède, dans la région de son extrémité libre (8) qui est à l'opposé de la couverture du toit, une boucle multiple (9) limitée par trois bandes (10, 11, 12) et qui est obtenue par deux entailles s'étendant dans la direction longitudinale du crochet de couvreur, et en courbant la bande médiane (10) située entre ces entailles, pour la faire sortir du profil du crochet et en courbant les deux bandes latérales (11, 12) pour les éloigner de la bande centrale (10) en restant dans le profil du crochet.
  2. Crochet de couvreur selon la revendication 1, caractérisé en ce que la bande médiane (10) de la boucle multiple (9) est recourbée pour la faire sortir de l'espace intérieur du crochet.
  3. Crochet de couvreur selon la revendication 1 ou 2, caractérisé par une barre de traction (17) de forme rigide, accrochée dans le crochet (2) par un oeillet (17a), dont l'oeillet (17a) possède, dans sa partie supérieure une largeur libre qui est plus grande que la largeur du crochet (2) dans la région du sommet et plus petite que la largeur de l'oeillet multiple (9), et qui présente, dans sa partie inférieure, une largeur libre qui est plus grande que la largeur de l'oeillet multiple (9).
  4. Crochet de couvreur selon la revendication 3, caractérisé en ce que la barre de traction (17) présente au moins un élément d'amortissement présenté sous la forme d'un oeillet (18) situé sur la ligne d'application d'une force de traction, et qui peut se déformer sous l'effet d'efforts de traction.
  5. Utilisation de plusieurs crochets de couvreur selon l'une des revendications 1 à 4, en une rangée horizontale, sur un toit, pour servir de support pour au moins une barre (15) enfilée à travers les oeillets multiples (9) alignés.
EP91110516A 1990-10-03 1991-06-26 Crochet pour fixer sur une toiture une échelle et autres dispositifs de barrière et de retenue Expired - Lifetime EP0478899B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91110516T ATE100168T1 (de) 1990-10-03 1991-06-26 Dachhaken zum befestigen einer leiter und anderer halte- und fangvorrichtungen auf einer dacheindeckung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4031155 1990-10-03
DE4031155A DE4031155A1 (de) 1990-10-03 1990-10-03 Dachhaken zum befestigen einer leiter und anderer halte- und fangvorrichtungen auf einer dacheindeckung

Publications (2)

Publication Number Publication Date
EP0478899A1 EP0478899A1 (fr) 1992-04-08
EP0478899B1 true EP0478899B1 (fr) 1994-01-12

Family

ID=6415429

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91110516A Expired - Lifetime EP0478899B1 (fr) 1990-10-03 1991-06-26 Crochet pour fixer sur une toiture une échelle et autres dispositifs de barrière et de retenue

Country Status (4)

Country Link
EP (1) EP0478899B1 (fr)
AT (1) ATE100168T1 (fr)
DE (2) DE4031155A1 (fr)
DK (1) DK0478899T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT399742B (de) * 1992-10-13 1995-07-25 Wittner Franz Vorrichtung zum befestigen einer dachschutzblende
DE19900038C2 (de) * 1999-01-02 2001-04-12 Simon Gmbh & Co Kg Geruest Und Sicherheitsdachhaken
AT3596U1 (de) * 1999-07-02 2000-05-25 Reisner Franz Steighilfe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202522C (fr) *
DE3018721C2 (de) * 1980-05-16 1984-05-24 Hans 4000 Düsseldorf Gielissen Dachhaken zum Befestigen einer Leiter od. dgl. auf einer Dacheindeckung
DE3314855C2 (de) * 1983-04-23 1987-02-05 Gust. Overhoff GmbH & Co, 4020 Mettmann Dachhaken
DE3611985A1 (de) * 1986-04-09 1987-10-15 Paul Jos Messer Metallwarenfab Sicherheitsdachhaken zum einhaengen und befestigen einer leiter, aufhaengen von dachdeckerstuehlen, anschlagen von verbindungsmitteln fuer ein fangseil od. dgl.

Also Published As

Publication number Publication date
EP0478899A1 (fr) 1992-04-08
DE59100849D1 (de) 1994-02-24
ATE100168T1 (de) 1994-01-15
DE4031155C2 (fr) 1992-09-03
DK0478899T3 (da) 1994-05-02
DE4031155A1 (de) 1992-04-09

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