EP3904620A1 - Agencement de fixation - Google Patents

Agencement de fixation Download PDF

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Publication number
EP3904620A1
EP3904620A1 EP21170947.2A EP21170947A EP3904620A1 EP 3904620 A1 EP3904620 A1 EP 3904620A1 EP 21170947 A EP21170947 A EP 21170947A EP 3904620 A1 EP3904620 A1 EP 3904620A1
Authority
EP
European Patent Office
Prior art keywords
roof
fastening
latching
arrangement according
elements
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.)
Pending
Application number
EP21170947.2A
Other languages
German (de)
English (en)
Inventor
Harald Hüttner
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.)
Eternit Oesterreich GmbH
Original Assignee
Eternit Oesterreich GmbH
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 Eternit Oesterreich GmbH filed Critical Eternit Oesterreich GmbH
Publication of EP3904620A1 publication Critical patent/EP3904620A1/fr
Pending 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
    • E04D13/10—Snow traps ; Removing snow from roofs; Snow melters
    • 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 fastening arrangement for fastening different functional roof elements on a roof with a fastening element which can be fixed to a substructure of the roof and has a roof covering section which, in the assembled state, extends at least partially on a roof covering of the roof, the fastening element having a snap-in receptacle and the roof function elements each have a corresponding latching element so that the latching element of a roof function element selected from the roof function elements can be inserted into the latching receptacle and the selected roof function element can be latched into the fastening element, the roof function element being fixable in the latched state by a securing element.
  • Functional roof elements such as snow lattice holders, steps or the like can serve different purposes and in some cases carry very high loads, e.g. a snow load, which is why an appropriate anchoring on the roof must be ensured.
  • the previously used fastening arrangements for roof function elements are in most cases fastened to the roof and are firmly connected to the roof function element or are difficult to separate from it. If another roof function element is to be installed instead of an existing roof function element, in most cases the roof covering must be partially opened in order to replace the roof function element.
  • roof covering is understood to mean the arrangement of any form of roof tiles, roof tiles, corrugated roof sheets, for example made of fiber cement, shingles or the like, on a roof substructure.
  • the fastening elements for the roof function elements are connected to the substructure at one end, the connection point being below the roof covering and the remaining part running above the roof covering or resting on it.
  • the connection to the roof substructure can be made by screws or nails, some of these fastening elements are suspended in the roof substructure. There are no restrictions whatsoever with regard to the connection of the fastening element to the roof.
  • From the DE 19702167 A1 shows a fastening system for roofing articles to be arranged on a rafter of a roof, such as roof hooks, snow guard supports, lattice supports, steps, etc., in which a base plate is fastened to the roof and each roofing article is assigned an adapter plate with holes which are brought into engagement with bolts on the base plate can be used to fix the roofing item on the roof, the positive fit of the bore and bolt element preventing slipping.
  • the base plate is fastened to the rafter with the help of screws or nails that run through corresponding fastening holes.
  • the adapter plate is with a Equipped with a locking hole and in its state of engagement with the base plate can be secured against unintentional loosening by means of a nail driven into the rafter or such a screw in an aligned hole in the base plate.
  • This type of securing must first be painstakingly resolved when a roofing item is replaced, which can be associated with a considerable amount of work.
  • the base plate is nailed or screwed directly onto the substructure of the roof, which means that the roof has to be covered around the base plate.
  • the adapter plate rests over the entire surface on the base plate, which means that the surfaces of the two plates connect over time and the adapter plate can either not be released at all or only by applying high forces.
  • the contact area between the base plate and adapter plate is essentially in the water-bearing plane of the roof, so that rain and ice act on this contact area.
  • loads acting on the roofing articles are transferred via the base plate, the engagement elements being exposed to a strong, concentrated load which can very easily lead to their bending, which in turn makes it more difficult to disengage the adapter plate and base plate after a while.
  • a device for attaching a catch and protective scaffold, which is formed from a spiral element arranged on the outside of the roof covering for hanging a tension member for a catch and protective scaffold, to which a holding arm made of flat material is connected, which is followed by the next higher lying overlap joint between two roofing panels extends into the roof interior and there on the rafters by means of a Holding element is releasably attached.
  • the retaining element is formed by a base plate nailed to the rafter, which has cranked hooks onto which a holding arm having longitudinal slots is attached, which is thereby positively connected to the base plate, which is nailed to a rafter.
  • the clear distance between the cranked hooks corresponds to the material thickness of the holding arm, so that the holding arm suspended on the hook is held flat on the base plate. So that the suspended arm does not unintentionally detach itself from the cranked hooks of the base plate, it is fixed to the rafter with a nail using a securing hole. When replacing the holding arm, this nail must first be loosened again in order to be able to disengage it.
  • the holding arm rests flat on the base plate, which can lead to an unwanted connection of the interfaces between holding arm and base plate after some time, which makes it difficult to separate the two from one another after a while.
  • the hooks bend very easily under higher loads due to the forces that are removed at certain points, which can result in the holding arm sticking to the base plate.
  • mounting bracket for roof function elements is a fixed on a cross bar attached to the roof holding arm, which rests with its free end on a roof tile and forms a bracket to which a roof function element can be screwed, with noses formed on the roof function element engaging in corresponding slots of the bracket without engaging in order to effect a positioning of the roof function element, which should facilitate the screwing of roof function element and bracket.
  • the used Fastening screws establish a detachable connection between the roof function element and the holding arm, with the risk of either unwanted loosening of the roof function element or the seizing of the screws, whereby they counteract a simple exchange of the roof function element.
  • the object of the invention is therefore to provide a fastening arrangement of the type mentioned at the outset, in which a roof function element can be installed and replaced without great effort, in particular even after a long period of use.
  • Another task is to distribute the mechanical stresses occurring at the connection point between the roof function element and the fastening element over a larger area in order to keep deformations or material fatigue to a minimum.
  • this is achieved in that at least one latching stop of the latching receptacle is offset in height relative to the roofing section of the fastening element in such a way that the latching process takes place without the involvement of the roofing section, and that the selected roof function element can be locked in the engaged state by form-fitting of the securing element with the fastening element and the selected roof function element is.
  • the fastening arrangement of the invention enables different roof functional elements to be attached to the roof without having to remove or change the fastening element attached to the roof substructure.
  • the inventive provision of a fitting to the latching receptacle Snap element on the roof function elements can be exchanged quickly, the roof function element can be easily removed from the fastening element again through the snap connection, since no screw connections have to be loosened, but the roof function element only has to be released from the locking engagement.
  • the inventively designed height offset of the latching stop relative to the roofing section of the fastening element resting on the roof covering prevents the latching stop from constantly being exposed to weather conditions close to the roof such as ice and rain and therefore releasing the latching engagement after some time would no longer be easily possible.
  • the at least one latching stop can be designed in such a way that the roof function element and the fastening element do not lie flat on top of one another in order to prevent the formation of a non-releasable connection between them through touching surface contact.
  • a securing element is provided according to the invention which prevents the inadvertent release of the latching engagement only by means of a positive fit, but at the same time does not itself represent a stressed connection and can therefore be removed very quickly.
  • the securing element can be dimensioned in such a way that sticking can be avoided even after a long period of use.
  • a snow grate holder, a Sailer pipe holder, a climbing grate or the like can be provided as roof function elements, although none within the scope of the invention
  • any roof function elements can be provided, for example also those for holding solar systems or satellite dishes, all of which have a suitable latching element that can be inserted into the latching receptacle of the fastening element.
  • the latching element of the roof functional elements can have a latching link which, by interacting with the latching receptacle of the fastening element, defines the sequence of movements of the roof functional element in the latched state with the latching receptacle.
  • the provision of a locking link facilitates the engagement and disengagement of the functional elements and ensures safe transfer into the engaged state.
  • the latching receptacle of the fastening element can be formed by a longitudinal slot, which on its upper side has spaced-apart bridge webs bridging the longitudinal slot, and that the latching link of the roof function elements is formed by link cut-outs corresponding to the bridge webs, so that a part of the selected roof function element can be inserted into the longitudinal slot of the latching receptacle and can be displaced therein in order to lock the roof function element into the fastening element, the link cut-outs being in engagement with the bridge webs.
  • the insertion of the roof function element in certain areas and the engagement of the link cutouts with the bridge webs results in a stable connection to the fastening element, which can be very easily released again by moving it out of the latching position.
  • the corresponding link cut-outs of the roof function elements have a first and a second sub-section adjoining this, which are oriented at right angles to one another, wherein the first section extends in the direction of insertion and the second section extends transversely to the direction of insertion.
  • the partial section running transversely to the direction of insertion prevents the roof function element from moving in the direction of insertion after insertion.
  • the additional locking by means of the securing element also restricts the freedom of movement transversely to the direction of insertion, so that there is a firm connection with the fastening element.
  • the fastening element and the roof function element are preferably made of metal, but within the scope of the invention they can also consist of other materials known to the person skilled in the art, which have sufficient strength and easy workability.
  • At least one of the roof function elements can be formed from a metal sheet which has the corresponding gate cutouts on its underside.
  • Metal sheets are ideally suited above all for the shaping and formation of the required load-bearing capacity and rigidity of the roof functional elements and also meet the requirement of a low component weight. However, other materials can also be used.
  • Another variant of the invention can consist in that at least one of the roof function elements is deep-drawn, whereby a very good stiffening can be achieved and, according to a further variant, the main surface of the roof function element is oriented essentially at a right angle to the fastening element 5.
  • the fastening element and the roof function elements each have at least one hole, which are aligned in the latched state, and the securing element is formed from a securing bolt that passes through the holes can be passed through.
  • the fastening element can be connected to a holding element, the latching receptacle being formed in the holding element. This enables a simple production of the latching receptacle, which can be riveted or screwed to the fastening element.
  • the holding element can have a central part with an inverted U-section - seen in cross section - on the upper side of which the longitudinal slot interrupted by the bridge webs is excluded.
  • the execution of the holding element in the form of an inverted U-profile enables the implementation of a mechanically stable latching receptacle, which is simple in terms of production technology with a slot interrupted by bridging webs can be provided by leaving the bridge webs when the slot is formed.
  • the fastening element according to the invention can provide a further fastening option for functional roof elements, for example via a screw connection, in that, according to a further embodiment of the invention, the retaining element has two protruding side walls which are spaced apart from the central part and which are provided with fastening holes for further functional roof elements which can be fastened via screw connections .
  • the fastening element according to the invention can have a cranked area at its ridge-side end, which can be fixed to the roof substructure, the extent of the cranking corresponding to the height difference between the top of the roofing and the roof substructure.
  • Fig. 1 to 3 show an embodiment of a roof function element 1 according to the invention, which can be fixed to a roof, wherein the roof function element 1 is formed from a deep-drawn sheet metal that is stiffened by edge bends and beveled on one side, and a holder for a forms a snow grate, not shown, which can be inserted into an insertion opening 90 known per se and can be locked there.
  • Two or more of these functional roof elements 1 are required for a snow grille to be held in each case in order to fix it to the roof.
  • the aim of the invention is to provide a fastening arrangement with which several different functional roof elements can be fastened to the roof without having to make changes to the roof covering. It is also very easy to replace a damaged roof function element with a new one.
  • roof function element 1 which is designed as a snow grid holder
  • any other roof function elements can be provided, as explained below, which can be used in the fastening arrangement according to the invention.
  • One part of the fastening arrangement according to the invention in the form of a fastening element 5 is fixedly mounted on the roof and the other part is in the form of an exchangeable roof function element that can be detachably inserted into the fastening element.
  • Fig. 14 shows the roof function element 1 used in the fastening arrangement according to the invention and, in addition, further roof function elements 2, 3 used in fastening arrangements according to the invention, each of which is attached to the roof with a fastening element 5, the fastening element 5 in turn on a substructure 101 of the roof is fixed and a roofing section 50 ( Fig. 13 ), which in the assembled state extends at least partially on the outside of a roof covering 102 of the roof.
  • the main surface of the roof function elements 1, 2 is oriented essentially at a right angle to the fastening element 5.
  • the fastening element 5 has a latching receptacle 21 and the roof function elements each have a corresponding latching element 10, 11, as shown in FIG Fig. 1 , 18a, 18b is shown so that the latching element 10, 11 of the roof functional element 1 selected from the available roof functional elements can be inserted into the latching receptacle 21 and the selected roof functional element 1 can be latched into the fastening element 5.
  • the latching stops 44 of the latching receptacle 21 - in the latched state - are offset in height relative to the roofing section 50 of the fastening element 5 by the height h ( Figures 18a, 18b ) that the latching process takes place without the involvement of the roofing section 50, and the roofing section 50 of the fastening element 5 resting on the roofing 102 therefore has no latching elements that are in the immediate vicinity of the roof and are directly exposed to the weather, such as snow and rain.
  • the roof function element 1 is locked in the locked state by a form fit of a securing element 43 ( Fig. 13 ) can be locked with the fastening element 5 and the roof function element 1 in order to prevent unintentional loosening of the locking engagement. Due to the purely positive engagement of the roof function element 1, the fastening element 5 and the securing element 43, this can also be easily disengaged again in order to detach the roof function element 1 from the fastening element 5, since no screw or nail connection is used.
  • roof function elements An unlimited number of roof function elements can be used, examples of which are in Fig. 1 the snow grate holder 1, as well as in Fig. 14
  • a Sailer pipe holder 2 and a climbing grate 3 are shown, but any other functional elements can be equipped according to the invention.
  • a possible embodiment of the latching connection will be discussed using the snow lattice holder 1 as an example, as it can also be provided for any other roof function element.
  • the locking element 10, 11 of the roof function element 1 ( Fig. 1 ) has two spaced-apart latching links 30, 31 which, by interacting with the latching receptacle 21 ( Fig. 4 to 8 , Figures 18a, 18b ) of the fastening element 5 define the sequence of movements of the roof function element 1 in the locked state with the locking receptacle 21.
  • the corresponding latching receptacle 21 of the fastening element 5 is formed by a longitudinal slot 40 which, on its upper side, has two spaced-apart bridge webs 41, 42 bridging the longitudinal slot and which the latching stops 44 train ( Fig. 5 ).
  • the latching links 30, 31 of the roof function element 1 are formed by link cutouts corresponding to the bridge webs 41, 42, which are arranged on the underside of the roof function element 1, so that part of the selected roof function element 1 can be inserted into the longitudinal slot 40 of the latching receptacle 21 and therein is displaceable in order to lock the roof function element 1 into the fastening element, whereby the link cut-outs are in engagement with the bridge webs 41, 42 ( Fig. 9, 10 and 11 and 18a, 18b) and the locking links 30, 31 are each brought into contact with the locking stops 44 at their ends in the locked state.
  • the corresponding L-shaped link cutouts of the roof function element 1 each have a first 30 and a second section 31 adjoining this, which are oriented at right angles to each other, the first section 30 extending in the insertion direction (arrow 35) and the second section 31 extends transversely to the direction of insertion.
  • the fastener 5 ( Fig. 16 ) and the roof function element 1 ( Fig. 1 ) each have a hole 19, 20, which are aligned in a mutually engaged state ( Fig.18b ), whereby the securing element, which consists of a securing bolt 43 ( Fig. 13 ) is formed, through which holes 19, 20 can be passed in order to secure the latched state of the roof function element 1 with the fastening element 5 against unintentional loosening.
  • the locking receptacle 21 of the fastening element 5 is formed in a separately manufactured holding element 6, which with the Fastening element 5 is connected by a riveting process and is part of the fastening element 5.
  • the holding element 6 is formed from a bent sheet metal part, which has a central part 7 with an inverted U-section - seen in cross section - on the upper side of which the longitudinal slot 40 interrupted by the bridging webs 41 is excluded.
  • the holding element 6 has two protruding side walls 15, 16 which are spaced apart from the central part and which are provided with fastening holes 94, 95 for further roof function elements which can be fixed to these via screw connections.
  • a roof function element 3 which is formed from a semicircular mounting double bracket 190, which has a support on its flat top for attaching a climbing grate.
  • a series of evenly spaced holes 120 is provided along a partial circumferential area of the two mounting brackets 190 arranged in parallel, which together with the holes 94, 95 of the side walls 15, 16 of the retaining element 6 are used to screw the double mounting bracket 190 to the mounting element 6 Holes 120 on the mounting brackets allow adjustment with respect to the roof pitch.
  • Fig. 13 and 15th show the fixing of the fastening element 5 to the roof substructure 101 of the roof, the fastening element 5 having a cranked area 170 at its ridge-side end which can be fixed to the roof substructure 101 via a profile element 180 with a plurality of fastening holes 9 by screw connections, the extent of which the offset is the difference in height between the top of the roofing and Corresponds to the roof substructure.
  • the roof function element 1 rests on its underside on the fastening element 5 only along its profile edges.
  • the releasable connection of the roof function element 1 and the fastening element 5 is achieved by the latching links 30, 31 snapping into the latching receptacle 21 of the fastening element 5, the latching links 30, 31 resting against the latching stops 44 and therefore not lying on top of one another over a large area in this area either comes from surfaces, whereby a sticking of the roof function element 1 and fastening element 5 is prevented.
  • the form-fit securing of the latching state by the securing element 43 can also be easily released at any time for the reasons mentioned above.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
EP21170947.2A 2020-04-28 2021-04-28 Agencement de fixation Pending EP3904620A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA50361/2020A AT523769B1 (de) 2020-04-28 2020-04-28 Befestigungsanordnung

Publications (1)

Publication Number Publication Date
EP3904620A1 true EP3904620A1 (fr) 2021-11-03

Family

ID=75728714

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21170947.2A Pending EP3904620A1 (fr) 2020-04-28 2021-04-28 Agencement de fixation

Country Status (2)

Country Link
EP (1) EP3904620A1 (fr)
AT (1) AT523769B1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE560391C (de) * 1932-10-03 Heinrich Oelsner Schneefanggitterstuetze
DE8421198U1 (de) 1984-07-16 1985-06-13 Gielissen, Hans, 4000 Düsseldorf Vorrichtung zum Befestigen eines Fang- und Schutzgerüstes
EP0594948A1 (fr) * 1992-10-24 1994-05-04 Rudolf Dipl.-Ing. Treiber Serre-éclisses pour superstructures de toits
WO1995025862A1 (fr) * 1994-03-18 1995-09-28 Klöber, Johannes Systeme anti-chute a monter sur des toits
DE19702167A1 (de) 1997-01-23 1998-08-06 Simon Gmbh & Co Kg Geruest Und Befestigungssystem für an einem Sparren eines Daches anzuordnende Bedachungsartikel
DE202009001025U1 (de) * 2008-02-01 2009-06-18 Vaillant Gmbh Befestigungsvorrichtung für Bauelemente, insbesondere für Solarkollektoren
EP2333452A2 (fr) * 2009-11-25 2011-06-15 BB Stanz-und Umformtechnik GmbH Dispositif de fixation
EP2792390A2 (fr) * 2013-04-19 2014-10-22 Latchways PLC Systèmes antichute et d'ancrage
DE202015105982U1 (de) * 2015-01-19 2015-11-19 Otto Lehmann Gmbh Konsole für eine Trittfläche, ein Standbrett o. dgl. zur Dachmontage
EP3176343A1 (fr) 2015-12-01 2017-06-07 ATL Limited Support de fixation pour équipement de toit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT381342B (de) * 1982-05-17 1986-09-25 Dachan Anstalt Dachschneefaenger

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE560391C (de) * 1932-10-03 Heinrich Oelsner Schneefanggitterstuetze
DE8421198U1 (de) 1984-07-16 1985-06-13 Gielissen, Hans, 4000 Düsseldorf Vorrichtung zum Befestigen eines Fang- und Schutzgerüstes
EP0594948A1 (fr) * 1992-10-24 1994-05-04 Rudolf Dipl.-Ing. Treiber Serre-éclisses pour superstructures de toits
WO1995025862A1 (fr) * 1994-03-18 1995-09-28 Klöber, Johannes Systeme anti-chute a monter sur des toits
DE19702167A1 (de) 1997-01-23 1998-08-06 Simon Gmbh & Co Kg Geruest Und Befestigungssystem für an einem Sparren eines Daches anzuordnende Bedachungsartikel
DE202009001025U1 (de) * 2008-02-01 2009-06-18 Vaillant Gmbh Befestigungsvorrichtung für Bauelemente, insbesondere für Solarkollektoren
EP2333452A2 (fr) * 2009-11-25 2011-06-15 BB Stanz-und Umformtechnik GmbH Dispositif de fixation
EP2792390A2 (fr) * 2013-04-19 2014-10-22 Latchways PLC Systèmes antichute et d'ancrage
DE202015105982U1 (de) * 2015-01-19 2015-11-19 Otto Lehmann Gmbh Konsole für eine Trittfläche, ein Standbrett o. dgl. zur Dachmontage
EP3176343A1 (fr) 2015-12-01 2017-06-07 ATL Limited Support de fixation pour équipement de toit

Also Published As

Publication number Publication date
AT523769A1 (de) 2021-11-15
AT523769B1 (de) 2022-02-15

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