EP0193522B1 - Counter-groove reinforced snow trap noses - Google Patents

Counter-groove reinforced snow trap noses Download PDF

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Publication number
EP0193522B1
EP0193522B1 EP86890040A EP86890040A EP0193522B1 EP 0193522 B1 EP0193522 B1 EP 0193522B1 EP 86890040 A EP86890040 A EP 86890040A EP 86890040 A EP86890040 A EP 86890040A EP 0193522 B1 EP0193522 B1 EP 0193522B1
Authority
EP
European Patent Office
Prior art keywords
depression
snow
snow guard
troughs
catching
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
EP86890040A
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German (de)
French (fr)
Other versions
EP0193522A3 (en
EP0193522A2 (en
Inventor
Melitta Gottler
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.)
Gottler Erich
Original Assignee
Gottler Erich
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 AT0054485A external-priority patent/AT390307B/en
Application filed by Gottler Erich filed Critical Gottler Erich
Publication of EP0193522A2 publication Critical patent/EP0193522A2/en
Publication of EP0193522A3 publication Critical patent/EP0193522A3/en
Application granted granted Critical
Publication of EP0193522B1 publication Critical patent/EP0193522B1/en
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
    • E04D13/10—Snow traps ; Removing snow from roofs; Snow melters

Definitions

  • the invention relates to a snow guard nose, consisting of a fastening part running approximately in the direction of the roof pitch and a catching part provided for the snow guard, approximately perpendicular to it, and a supporting part connecting the upper end thereof to the fastening part, the catching, supporting and fastening part being bent by bending a single one strip-shaped metal strip are formed, and wherein in the support part at least two in the longitudinal direction extending over its entire length, side by side beads are provided.
  • Such a snow guard nose was e.g. known from AT-PS 376 472.
  • the catching, supporting and fastening part are each provided with two beads projecting into the interior of the space delimited by these parts, between which a stiffening insert is held.
  • DE-AS 1 125 137 proposes welded solid wall girders in which the web plate is provided with vertical bends at intervals and the web plate consists of individual pieces that extend from the bend to the bend and are welded to the bends, the web plate pieces alternately in are bent up in such a way that the folds lie alternately on both sides of the central bridge plane.
  • these brackets are not intended to be a snow guard and are not suitable for this, but they have a high section modulus due to the alternate bending of the web plate pieces.
  • snow catchers are formed from a long sheet metal strip which is bent at one end to form the catch part at an angle of approximately 90 ° C. and at the end of the catch nose is bent again at an angle of approximately 45 ° C. to form the support part.
  • One or two beads are arranged in the catch and / or support part for stiffening. However, this stiffening has proven to be insufficient.
  • the aim of the invention is to avoid the disadvantages of the known snow guard lugs and to propose one of the type mentioned at the outset which is distinguished by a high degree of rigidity and can be produced with little effort.
  • the section modulus is increased significantly due to the bead in the opposite direction, so that the insert can be found long without insert and therefore the manufacture of a snow guard nose according to the invention is considerably simplified and still achieves a very high degree of rigidity even when using relatively thin sheet metal strips becomes.
  • a preferred embodiment of the invention is that the recess of the two outer beads near the edge is formed in the same direction. Such a design enables substantial stiffening with minimal additional effort.
  • the oppositely recessed bead can be formed with a recess that increases constantly towards the longitudinal center.
  • a conical bead leads to a further increase in the bending strength.
  • the central bead of the catching part can be designed to extend approximately to the central region of the fastening part.
  • Such training advantageously prevents For example, a lifting of the roof area caused by very high snow loads acting on the catching part, in particular of the middle area.
  • a snow guard nose formed from sheet metal is composed of a fastening part 2 adjacent to the roof surface, a catching part 3 arranged perpendicularly to this and a supporting part 4 connecting it to the fastening part.
  • Both the catching and supporting part 3, 4 have three beads 5 arranged parallel to one another and running in the longitudinal direction of the parts.
  • the depression of the central bead 5 of the support part 4 is formed in the opposite direction compared to the depression of the adjacent beads 5.
  • the bead shape is semicircular, but it can also be trapezoidal or the like.
  • the two outer beads 5 of the support part 4 can be recessed in the direction of the catching part 3, while the central bead 5 is then shaped in the opposite direction.
  • the fastening part 2 also has two beads 6 in its area lying between the catching and supporting part 3, 4.
  • the snow guard nose 1 shown in FIGS. 3 and 4 has a specially designed central bead 7 in the region of the support part 4. This has a depression 8 directed in the direction of the catching and fastening part 3, 2, which increases constantly in the direction of the longitudinal center of the bead. This conical bead 7 ensures a particularly stable formation of the snow guard nose 1.
  • the central bead 9 extends from the catching part 3 to the central region of the supporting part 2 and thereby prevents the supporting part from lifting when the snow load acting on the catching part 3 is too high.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Junction Field-Effect Transistors (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Abstract

Snow-catching nose consisting of a fastening part extending approximately parallel to the roof, of a catching part provided for catching the snow and extending approximately perpendicularly to this, and of a supporting part connecting its upper end to the fastening part, a corrugation extending longitudinally being provided at least in one part, and there being at least in one part at least three corrugations, the depression of at least one corrugation of which is constructed in the opposite direction compared to the depression of the other corrugations.

Description

Die Erfindung betrifft eine Schneefangnase, bestehend aus einem etwa in Richtung der Dachneigung verlaufenden Befestigungsteil und einem zum Schneefang vorgesehenen, etwa senkrecht dazu verlaufenden Fangteil sowie einem dessen oberes Ende mit dem Befestigungsteil verbindenden Abstützteil, wobei Fang-, Abstütz- und Befestigungsteil durch Abwinkeln eines einzigen streifenförmigen Metallbandes gebildet sind, und wobei im Abstützteil mindestens zwei in Längsrichtung sich über dessen Gesamtlänge erstreckende, nebeneinander verlaufende Sicken vorgesehen sind.The invention relates to a snow guard nose, consisting of a fastening part running approximately in the direction of the roof pitch and a catching part provided for the snow guard, approximately perpendicular to it, and a supporting part connecting the upper end thereof to the fastening part, the catching, supporting and fastening part being bent by bending a single one strip-shaped metal strip are formed, and wherein in the support part at least two in the longitudinal direction extending over its entire length, side by side beads are provided.

Eine derartige Schneefangnase wurde z.B. durch die AT-PS 376 472 bekannt. Bei dieser bekannten Schneefangnase sind der Fang-, Abstütz- und Befestigungsteil mit je zwei in das Innere des von diesen Teilen begrenzten Raumes vorspringenden Sicken versehen, zwischen denen ein zur Versteifung dienender Einsatz gehalten ist. Bei dieser Lösung ergibt sich zwar ein hohes Maß an Steifigkeit, doch erfordert die Herstellung einer solchen Schneefangnase einen sehr erheblichen Aufwand, der allein schon durch den Einbau des Einsatzes bedingt ist.Such a snow guard nose was e.g. known from AT-PS 376 472. In this known snow guard nose, the catching, supporting and fastening part are each provided with two beads projecting into the interior of the space delimited by these parts, between which a stiffening insert is held. With this solution there is a high degree of rigidity, but the manufacture of such a snow guard nose requires a very considerable effort, which is due to the installation of the insert alone.

Durch die DE-AS 1 125 137 wurden geschweißte Vollwandträger vorgeschlagen, bei denen das Stegblech in Abständen mit lotrechten Auskantungen versehen ist und das Stegblech aus Einzelstücken besteht, die von Auskantung zu Auskantung reichen und jeweils an den Auskantungen verschweißt sind, wobei die Stegblechstücke wechselweise in der Weise aufgebogen sind, daß die Auskantungen abwechselnd zu beiden Seiten der Steg-Mittelebene liegen. Diese Träger sind jedoch nicht als Schneefangeinrichtung gedacht und dafür auch nicht ohne weiteres geeignet, weisen aber aufgrund der wechselweisen Aufbiegung der Stegblechstücke ein hohes Widerstandsmoment auf.DE-AS 1 125 137 proposes welded solid wall girders in which the web plate is provided with vertical bends at intervals and the web plate consists of individual pieces that extend from the bend to the bend and are welded to the bends, the web plate pieces alternately in are bent up in such a way that the folds lie alternately on both sides of the central bridge plane. However, these brackets are not intended to be a snow guard and are not suitable for this, but they have a high section modulus due to the alternate bending of the web plate pieces.

Weitere bekannte Schneefangnasen sind aus einem langen Blechstreifen geformt, der an einem Ende zur Bildung des Fangteiles in einem Winkel von etwa 90°C umgebogen und am Ende der Fangnase wieder in einem Winkel von etwa 45°C zur Bildung des Abstützteiles umgebogen ist. Zur Versteifung wird im Fang- und bzw. oder Abstützteil eine oder auch zwei Sicken angeordnet. Diese Versteifung hat sich jedoch als nicht ausreichend erwiesen.Other known snow catchers are formed from a long sheet metal strip which is bent at one end to form the catch part at an angle of approximately 90 ° C. and at the end of the catch nose is bent again at an angle of approximately 45 ° C. to form the support part. One or two beads are arranged in the catch and / or support part for stiffening. However, this stiffening has proven to be insufficient.

Ziel der Erfindung ist es, die Nachteile der bekannten Schneefangnasen zu vermeiden und eine solche der eingangs erwähnten Art vorzuschlagen, die sich durch eine hohe Steifigkeit auszeichnet und sich mit geringem Aufwand herstellen läßt.The aim of the invention is to avoid the disadvantages of the known snow guard lugs and to propose one of the type mentioned at the outset which is distinguished by a high degree of rigidity and can be produced with little effort.

Erfindungsgemäß wird dies dadurch erreicht, daß drei Sicken vorgesehen sind, von denen die Vertiefung einer Sicke im Vergleich zur Vertiefung der anderen Sicken in entgegengesetzter Richtung ausgebildet ist.This is achieved according to the invention in that three beads are provided, of which the depression of one bead is formed in the opposite direction compared to the depression of the other beads.

Durch diese Maßnahmen wird aufgrund der in der Gegenrichtung ausgeführten Sicke das Widerstandsmoment wesentlich erhöht, sodaß ohne Einsatzteil das Aus langen gefunden werden kann und sich daher die Herstellung einer erfindungsgemäßen Schneefangnase wesentlich vereinfacht und trotzdem auch bei Verwendung relativ dünner Blechstreifen ein sehr hohes Maß an Steifigkeit erreicht wird.Through these measures, the section modulus is increased significantly due to the bead in the opposite direction, so that the insert can be found long without insert and therefore the manufacture of a snow guard nose according to the invention is considerably simplified and still achieves a very high degree of rigidity even when using relatively thin sheet metal strips becomes.

Eine bevorzugte Ausbildung der Erfindung besteht darin, daß die Vertiefung der beiden äußeren randnahen Sicken in gleicher Richtung verlaufend ausgebildet ist. Eine derartige Ausbildung ermöglicht bei einem minimalen Mehraufwand bereits eine wesentliche Versteifung.A preferred embodiment of the invention is that the recess of the two outer beads near the edge is formed in the same direction. Such a design enables substantial stiffening with minimal additional effort.

Einer anderen vorteilhaften Ausbildung der Erfindung entsprechend kann die entgegengesetzt vertiefte Sicke mit einer zur Längsmitte hin konstant zunehmenden Vertiefung ausgebildet sein. Eine derartige konische Sicke führt zu einer weiteren Erhöhung der Biegefestigkeit.According to another advantageous embodiment of the invention, the oppositely recessed bead can be formed with a recess that increases constantly towards the longitudinal center. Such a conical bead leads to a further increase in the bending strength.

Schließlich kann gemäß einer anderen vorteilhaften Ausführung der Erfindung die mittlere Sicke des Fangteiles bis etwa zum Mittelbereich des Befestigungsteiles verlaufend ausgebildet sein. Eine derartige Ausbildung verhindert in vorteilhafter Weise ein durch sehr hohe auf den Fangteil einwirkende Schneelasten bedingtes Abheben insbesondere des mittleren Bereiches von der Dachoberfläche.Finally, according to another advantageous embodiment of the invention, the central bead of the catching part can be designed to extend approximately to the central region of the fastening part. Such training advantageously prevents For example, a lifting of the roof area caused by very high snow loads acting on the catching part, in particular of the middle area.

Im Folgenden wird die Erfindung an Hand zweier in der Zeichnung dargestellter Ausführungsbeispiele näher beschrieben. Es zeigen:

  • Fig. 1 eine Perspektivansicht einer Schneefangnase,
  • Fig. 2 einen Schnitt durch die Schneefangnase nach Fig. 1, gemäß der Linie II-II,
  • Fig. 3 eine Seiten- und
  • Fig. 4 eine Draufsicht eines weiteren Ausführungsbeispiels einer Schneefangnase gemäß der Erfindung.
The invention is described in more detail below with reference to two exemplary embodiments shown in the drawing. Show it:
  • 1 is a perspective view of a snow guard nose,
  • 2 shows a section through the snow guard nose according to FIG. 1, along the line II-II,
  • Fig. 3 is a side and
  • Fig. 4 is a plan view of another embodiment of a snow guard nose according to the invention.

Eine aus Blech geformte Schneefangnase 1 setzt sich aus einem der Dachoberfläche benachbarten Befestigungsteil 2, einem senkrecht zu diesem angeordneten Fangteil 3 und einem diesen mit dem Befestigungsteil verbindenden Abstützteil 4 zusammen. Sowohl der Fang- als auch Abstützteil 3, 4 weist drei parallel zueinander angeordnete und in Längsrichtung der Teile verlaufende Sicken 5 auf. Wie insbesondere auch durch Fig. 2 ersichtlich, ist die Vertiefung der mittleren Sicke 5 des Abstützteiles 4 im Vergleich zur Vertiefung der angrenzenden Sicken 5 in entgegengesetzter Richtung ausgebildet. Im dargestellten Ausführungsbeispiel ist die Sickenform halbkreisförmig, diese kann jedoch ebenso trapezförmig oder dgl. ausgebildet sein. Ebenso können auch die beiden äußeren Sicken 5 des Abstützteiles 4 in Richtung zum Fangteil 3 vertieft ausgebildet sein, während die mittlere Sicke 5 dann in Gegenrichtung geformt ist. Der Befestigungsteil 2 weist in seinem zwischen Fang- und Abstützteil 3, 4 liegenden Bereich ebenso zwei Sicken 6 auf.A snow guard nose formed from sheet metal is composed of a fastening part 2 adjacent to the roof surface, a catching part 3 arranged perpendicularly to this and a supporting part 4 connecting it to the fastening part. Both the catching and supporting part 3, 4 have three beads 5 arranged parallel to one another and running in the longitudinal direction of the parts. As can also be seen particularly from FIG. 2, the depression of the central bead 5 of the support part 4 is formed in the opposite direction compared to the depression of the adjacent beads 5. In the illustrated embodiment, the bead shape is semicircular, but it can also be trapezoidal or the like. Likewise, the two outer beads 5 of the support part 4 can be recessed in the direction of the catching part 3, while the central bead 5 is then shaped in the opposite direction. The fastening part 2 also has two beads 6 in its area lying between the catching and supporting part 3, 4.

Die in Fig. 3 und 4 dargestellte Schneefangnase 1 weist im Bereich des Abstützteiles 4 eine speziell ausgebildete mittlere Sicke 7 auf. Diese weist eine in Richtung zum Fang- und Befestigungsteil 3, 2 gerichtete Vertiefung 8 auf, die in Richtung zur Längsmitte der Sicke konstant zunimmt. Diese konisch zur Mitte verlaufende Sicke 7 gewährleistet eine besonders stabile Ausbildung der Schneefangnase 1. Die mittlere Sicke 9 erstreckt sich vom Fangteil 3 bis zum Mittelbereich des Abstützteiles 2 und verhindert dadurch ein Aufheben des Abstützteiles bei zu hoher, auf den Fangteil 3 einwirkender Schneelast.The snow guard nose 1 shown in FIGS. 3 and 4 has a specially designed central bead 7 in the region of the support part 4. This has a depression 8 directed in the direction of the catching and fastening part 3, 2, which increases constantly in the direction of the longitudinal center of the bead. This conical bead 7 ensures a particularly stable formation of the snow guard nose 1. The central bead 9 extends from the catching part 3 to the central region of the supporting part 2 and thereby prevents the supporting part from lifting when the snow load acting on the catching part 3 is too high.

Claims (4)

  1. Snow guard consisting of an attachment part (2), extending approximately in the direction of the roof inclination, and a catch part (3), provided for catching the snow and extending approximately perpendicular to said attachment part, and a support part (4), connecting the top end of said catch part to the attachment part (2), the catch, support and attachment parts (3, 4, 2) being formed by angling off a single strip-shaped metal strip, and at least two troughs (5) being provided in the support part (4), which troughs extend adjacently to one another in the longitudinal direction over the entire length of said support part, characterised in that three troughs (5, 7) are provided, of which the depression of one trough (5, 7) is constructed in the opposite direction in comparison with the depression of the other troughs.
  2. Snow guard according to Claim 1, characterised in that the depression of the two outer troughs near to the edge is constructed so as to extend in the same direction.
  3. Snow guard according to Claim 1 or 2, characterised in that the trough (7), which is depressed in the opposite direction, is constructed with a depression (8) increasing constantly towards the longitudinal centre.
  4. Snow guard according to one of Claims 1, 2 or 3, characterised in that the central trough (9) of the catch part (3) is constructed so as to extend up to approximately the central region of the attachment part (2).
EP86890040A 1985-02-25 1986-02-21 Counter-groove reinforced snow trap noses Expired - Lifetime EP0193522B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT544/85 1985-02-25
AT0054485A AT390307B (en) 1984-02-27 1985-02-25 ELASTIC BEARING

Publications (3)

Publication Number Publication Date
EP0193522A2 EP0193522A2 (en) 1986-09-03
EP0193522A3 EP0193522A3 (en) 1987-06-16
EP0193522B1 true EP0193522B1 (en) 1991-10-16

Family

ID=3493413

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86890040A Expired - Lifetime EP0193522B1 (en) 1985-02-25 1986-02-21 Counter-groove reinforced snow trap noses

Country Status (3)

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EP (1) EP0193522B1 (en)
AT (1) ATE68545T1 (en)
DE (1) DE3681941D1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1125137B (en) * 1954-05-18 1962-03-08 Babcock & Wilcox Dampfkessel Welded solid wall support with vertical web sheet metal edges
NL6717384A (en) * 1967-12-20 1969-01-27
AT359729B (en) * 1976-11-02 1980-11-25 Ess Norbert SNOW HOOK
CH634120A5 (en) * 1979-03-01 1983-01-14 Neomat Ag Process for surface coating a roof snow guard
DE3240292A1 (en) * 1981-11-03 1983-05-11 Siegfried 3900 Brig Wallis Willa Snow guard, in particular for roofs covered with strips of roofing paper

Also Published As

Publication number Publication date
EP0193522A3 (en) 1987-06-16
DE3681941D1 (en) 1991-11-21
EP0193522A2 (en) 1986-09-03
ATE68545T1 (en) 1991-11-15

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