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EP2672036B1 - Roof snow trap and roof with such a roof snow trap - Google Patents

Roof snow trap and roof with such a roof snow trap Download PDF

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Publication number
EP2672036B1
EP2672036B1 EP13170223.5A EP13170223A EP2672036B1 EP 2672036 B1 EP2672036 B1 EP 2672036B1 EP 13170223 A EP13170223 A EP 13170223A EP 2672036 B1 EP2672036 B1 EP 2672036B1
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EP
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Prior art keywords
roof
snow
panels
catcher
areas
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EP13170223.5A
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German (de)
French (fr)
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EP2672036A1 (en
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Karl Zubler
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    • 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 roof snow catcher according to the preamble of claim 1 and to a roof according to the preamble of claim 4.
  • Various systems are known for the utilization of solar energy. Frequently, panels are placed along the pitch of the roof, which may be solar fluid traversed by a liquid such as water, or photovoltaic panels. But there are also known hybrid forms in which a panel for converting the solar energy into electrical current is also flowed through by a liquid to be heated, so as to keep the photovoltaic plate at the lowest operating temperature and also to get hot water.
  • JP 2008 025185 describes a snow guard, which embraces a roof tile.
  • JP 2001 234619 describes a profile according to the preamble of the first claim, which must be mounted together with panels.
  • the invention is based on the conventional structure, each with a spaced-apart panels and has the goal, even after the installation of panels of the type described above, to prevent the formation of roof avalanches where this is disturbing or even dangerous. This is done according to the invention by the characterizing features of claim 1.
  • the normally provided distance between the panels is exploited to there - at the respectively desired location - a roof snow catcher, possibly also subsequently to install, with the broadening from bottom to top cross section serves to hold the snow catcher in the, optionally having a tolerance, to secure the distance between the panels without having to make any special adjustments.
  • the roof snow catcher can therefore be inserted with one hand there in the panel spacing, where you want it.
  • the invention also relates in particular to a roof according to claim 4.
  • a roof snow catcher 3 can be used between the two frames 1 of two adjacent panels.
  • This roof snow catcher 3 is, seen from above, in cross-section approximately U-shaped, as particularly out Fig. 2 can be seen.
  • a snow guards surface 4 At its upper end protrudes between the frames 1 a snow guards surface 4, which has on its underside a hook-like support surface 5, with which the snow guild surface 4 is supported on one of the frames 1.
  • Fig. 3 is then provided to the hook-like support surface 5 from bottom to top widening fastening body 6, which has at least one hook surface 7 on its underside. Since, as mentioned, the roof snow catcher 3 in cross-section is approximately U-shaped, it follows that hook surfaces 7 are mounted in pairs at the same height at its U-legs. Now shows FIG. 3 dot-dashed lines that the thickness of the panels or their frames 1 can be very different, which is why it is advantageous to attach over the length of the fastening body 6 a plurality of hook surfaces or pairs of hook surfaces 7. It thus follows that the hook surfaces 7 act as support surfaces facing away from the support surface 5 to support surface 5, especially when the snow load presses against the snow guards 4, as shown in Fig. 3 indicated by an arrow.
  • At least one further support surface 8 or 9 is resilient, so that it can be supported on at least one side surface, preferably - as shown - on an opposite side surfaces of the frames 1 under spring force.
  • the spring load can be achieved in various ways, but it is advantageous if the approximately S-shaped body with the two support surfaces 8, 9 is held in the region of its center by a torsion bar 10 which applies the spring force. On the other hand, the S-shaped body can flex itself elastically.
  • roof snow catcher 3 can also be retrofitted at a suitable location, the handling is very simple, especially since the respective roof snow catcher can be fixed with a single hand. It is understood that various embodiments are conceivable; For example, the snow guards surface 4 could lie on the outside of the U-section, with the roof snow catcher would be reversed in the distance d.
  • the training with a widening from bottom to top fastening body 6 also allows easy adaptation to different distances d between the panels.
  • FIG Fig. 4 An embodiment of the invention is shown in FIG Fig. 4 shown. It is noteworthy that the fastening body 6a widens upwards in the form of a "square" in cross-section "head” and forks down, the one fork tines 6 'is provided with the hook surfaces 7, whereas the other forks 6 " resilient support surface 8a carries, whereas in Fig. 3 existing mating support surface 9 is missing.
  • the crotch gives a better cushioning, it is advantageous if the two prongs are connected to each other via a rounding 11.
  • Fig. 4 indicates that a movable attachment is possible by the surface 4a is attached to the upper end of the resilient support surface 8a and so under the pressure of the snow masses (see arrow in FIG Fig. 3 ) can be moved from the dashed position to the position shown with full lines.
  • the snow pressure also reinforcing effect on the resilient support surface 8a, which increases the clamping force.
  • FIG Fig. 5 A further embodiment according to the invention of the roof snow catcher 3 and its attachment body 6b is shown in FIG Fig. 5 shown. Similar to in Fig. 4 the snow catcher surface 4 is formed on a head which is almost square in cross-section.
  • the fastening body 6b comprises two downwardly forked forks 6 'and 6 "of which at least one is somewhat elastic and includes hook surfaces 7, whereas the other fork tines 6" is connected to a support surface 8b projecting over the other fork tines 6'.
  • the fork gives a good cushioning.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Description

Die Erfindung bezieht sich auf einen Dachschneefänger nach dem Oberbegriff des Anspruchs 1 sowie auf ein Dach nach dem Oberbegriff des Anspruchs 4. Zur Ausnützung der Sonnenenergie sind verschiedene Systeme bekannt. Häufig werden Paneele entlang der Dachschräge angebracht, wobei es sich um von einer Flüssigkeit, wie Wasser, durchflossene Sonnenkollektoren oder um photovoltaische Paneele handeln kann. Es sind aber auch Mischformen bekannt, bei denen ein Paneel zur Umwandlung der Sonnenenergie in elektrischen Strom auch noch von einer aufzuwärmenden Flüssigkeit durchströmt ist, um so die photovoltaische Platte auf der günstigsten Betriebstemperatur zu halten und überdies auch noch Warmwasser zu bekommen.The invention relates to a roof snow catcher according to the preamble of claim 1 and to a roof according to the preamble of claim 4. Various systems are known for the utilization of solar energy. Frequently, panels are placed along the pitch of the roof, which may be solar fluid traversed by a liquid such as water, or photovoltaic panels. But there are also known hybrid forms in which a panel for converting the solar energy into electrical current is also flowed through by a liquid to be heated, so as to keep the photovoltaic plate at the lowest operating temperature and also to get hot water.

Ein Problem ergibt sich in diesem Zusammenhang zur Winterszeit, wenn Schnee auf die Paneele fällt. Dadurch wird natürlich die Einstrahlung von Tages- bzw. Sonnenlicht auf die Paneele behindert. Anderseits sind solche Paneele im allgemeinen mit einer lichtdurchlässigen Platte mit relativ ebener Fläche abgedeckt, so dass der Schnee leicht über diese Fläche rutschen kann. Dies ist einerseits ein erwünschter Effekt, der dazu führt, dass die Einstrahlung von Licht nicht mehr behindert ist, anderseits aber kann dies auch eine sehr unerwünschte Auswirkung haben, wenn nämlich durch geringste Erschütterungen, wie durch das Öffnen der Haustüre, eine Dachlawine ausgelöst wird.A problem arises in this context in the winter, when snow falls on the panels. As a result, of course, the sunlight is hindered by the sunlight on the panels. On the other hand, such panels are generally covered with a translucent plate with a relatively flat surface, so that the snow can easily slip over this surface. This is on the one hand a desired effect, which leads to the fact that the irradiation of light is no longer hindered, but on the other hand, this can also have a very undesirable effect, namely, by a slightest shocks, such as by opening the front door, a roof avalanche is triggered.

In der DE-102 26 024-A1 ist bereits ein elektrothermisches Dacheindeckungselement vorgeschlagen worden, an dem einerseits photovoltaische Solarzellen angebracht und anderseits ein Wärmetauschmedium durch darunter liegende Kanäle fliesst, wobei in der Trägerplatte auch ein an dieser ausgeformter Dachschneefänger vorgesehen war. Dies setzt aber eine bestimmte Bauweise voraus und erlaubt nicht ein nachträgliches Anbringen an einer gewünschten Stelle.In the DE-102 26 024-A1 an electrothermal roofing element has already been proposed, on the one hand photovoltaic solar cells attached and on the other hand, a heat exchange medium flows through underlying channels, wherein in the support plate also provided at this roof snow collector was provided. However, this requires a certain design and does not allow a subsequent attachment to a desired location.

JP 2008 025185 beschreibt einen Schneefänger, der einen Dachziegel umgreift. JP 2008 025185 describes a snow guard, which embraces a roof tile.

JP 2001 234619 beschreibt ein Profil gemäß dem Oberbegriff des ersten Anspruchs, das zusammen mit Paneelen montiert werden muss. JP 2001 234619 describes a profile according to the preamble of the first claim, which must be mounted together with panels.

Die Erfindung geht vom herkömmlichen Aufbau mit jeweils in einem Abstand voneinander angeordneten Paneelen aus und hat das Ziel, auch nach dem Einbau von Paneelen der oben bezeichneten Art, die Bildung von Dachlawinen dort zu verhindern, wo dies störend oder sogar gefährlich ist. Erfindungsgemäss geschieht dies durch die kennzeichnenden Merkmale des Anspruches 1.The invention is based on the conventional structure, each with a spaced-apart panels and has the goal, even after the installation of panels of the type described above, to prevent the formation of roof avalanches where this is disturbing or even dangerous. This is done according to the invention by the characterizing features of claim 1.

Erfindungsgemäss wird also der normalerweise vorgesehene Abstand zwischen den Paneelen dazu ausgenützt, um dort - und zwar an der jeweils gewünschten Stelle - einen Dachschneefänger, gegebenenfalls auch nachträglich, anzubringen, wobei der sich von unten nach oben verbreiternde Querschnitt dazu dient, das Festhalten des Schneefängers in dem, gegebenenfalls eine Toleranz aufweisenden, Abstand zwischen den Paneelen zu sichern, ohne besondere Anpassungen vornehmen zu müssen. Der Dachschneefänger kann also mit einer Hand dort in den Paneelabstand hineingesteckt werden, wo man ihn haben will.According to the invention, therefore, the normally provided distance between the panels is exploited to there - at the respectively desired location - a roof snow catcher, possibly also subsequently to install, with the broadening from bottom to top cross section serves to hold the snow catcher in the, optionally having a tolerance, to secure the distance between the panels without having to make any special adjustments. The roof snow catcher can therefore be inserted with one hand there in the panel spacing, where you want it.

Die Erfindung bezieht sich insbesondere aber auch auf ein Dach nach Anspruch 4.The invention also relates in particular to a roof according to claim 4.

Weitere Einzelheiten der Erfindung ergeben sich an Hand der nachfolgenden Beschreibung von Ausführungsbeispielen. Es zeigen

  • Fig. 1 die Umrahmungen zweier an einem Schrägdach angebrachten Solarpaneele mit dazwischen befestigtem, im Schnitt gezeigten Dachschneefänger;
  • Fig. 2 eine Perspektivansicht des Dachschneefängers, der in
  • Fig. 3 in zwischen den Umrahmungen angebrachter Lage gezeigt ist;
  • Fig. 4 eine Variante zur Ausführung der Fig. 3, und
  • Fig. 5 eine Variante zur Ausführung der Fig. 4.
Further details of the invention will become apparent with reference to the following description of exemplary embodiments. Show it
  • Fig. 1 the frames of two mounted on a pitched roof solar panels with interposed fixed, shown in section roof snow catcher;
  • Fig. 2 a perspective view of the roof snow catcher, in
  • Fig. 3 is shown in between the frames attached location;
  • Fig. 4 a variant for the execution of Fig. 3 , and
  • Fig. 5 a variant for the execution of Fig. 4 ,

An einem Schrägdach mit einer Dachschräge α sind Umrahmungen 1 für lediglich strich-punktiert angedeutete Solarpaneele 2 in an sich bekannter, hier nicht näher dargestellter Weise befestigt. Zwischen den beiden Umrahmungen 1 zweier benachbarter Paneele liegt ein spaltartiger Abstand d. In diesen Abstand kann erfindungsgemäss ein Dachschneefänger 3 eingesetzt werden. Dieser Dachschneefänger 3 ist, von oben gesehen, im Querschnitt etwa U-förmig, wie besonders aus Fig. 2 zu erkennen ist. An seinem oberen Ende ragt zwischen den Umrahmungen 1 eine Schneefangfläche 4, die an ihrer Unterseite eine hakenartige Stützfläche 5 besitzt, mit der sich die Schneefangfläche 4 an einer der Umrahmungen 1 abstützt.On a sloping roof with a roof slope α framing 1 for only dash-dotted lines indicated solar panels 2 are fixed in a known per se, not shown here manner. Between the two frames 1 of two adjacent panels is a gap-like distance d. In this distance according to the invention a roof snow catcher 3 can be used. This roof snow catcher 3 is, seen from above, in cross-section approximately U-shaped, as particularly out Fig. 2 can be seen. At its upper end protrudes between the frames 1 a snow guards surface 4, which has on its underside a hook-like support surface 5, with which the snow guild surface 4 is supported on one of the frames 1.

Wie am besten aus Fig. 3 zu ersehen ist, ist anschliessend an die hakenartige Stützfläche 5 ein von unten nach oben sich verbreiternder Befestigungskörper 6 vorgesehen, der an seiner Unterseite mindestens eine Hakenfläche 7 aufweist. Da, wie erwähnt, der Dachschneefänger 3 im Querschnitt etwa U-förmig ist, ergibt es sich, dass an seinen U-Schenkeln Hakenflächen 7 jeweils auf gleicher Höhe paarweise angebracht sind. Nun zeigt Fig. 3 strich-punktiert, dass die Dicke der Paneele bzw. ihrer Umrahmungen 1 sehr unterschiedlich sein kann, weshalb es vorteilhaft ist, über die Länge des Befestigungskörpers 6 mehrere Hakenflächen bzw. Paare von Hakenflächen 7 anzubringen. Es ergibt sich so, dass die Hakenflächen 7 als von der Stützfläche 5 abgewandte Gegenstützflächen zur Stützfläche 5 wirken, insbesondere wenn die Schneelast gegen die Schneefangfläche 4 drückt, wie dies in Fig. 3 durch einen Pfeil angedeutet ist.How best Fig. 3 can be seen, is then provided to the hook-like support surface 5 from bottom to top widening fastening body 6, which has at least one hook surface 7 on its underside. Since, as mentioned, the roof snow catcher 3 in cross-section is approximately U-shaped, it follows that hook surfaces 7 are mounted in pairs at the same height at its U-legs. Now shows FIG. 3 dot-dashed lines that the thickness of the panels or their frames 1 can be very different, which is why it is advantageous to attach over the length of the fastening body 6 a plurality of hook surfaces or pairs of hook surfaces 7. It thus follows that the hook surfaces 7 act as support surfaces facing away from the support surface 5 to support surface 5, especially when the snow load presses against the snow guards 4, as shown in Fig. 3 indicated by an arrow.

Es ist vorteilhaft, wenn die Verhakung über die Stützfläche 5 und die jeweilige Hakenfläche 7 gesichert wird. Zu diesem Zweck ist mindestens eine weitere Stützfläche 8 bzw. 9 federnd ausgebildet, so dass sie unter Federkraft an wenigstens einer Seitenfläche, vorzugsweise - wie dargestellt - an einer gegenüberliegenden Seitenflächen der Umrahmungen 1 abgestützt sein kann. Die Federbelastung kann auf verschiedene Weise erreicht werden, doch ist es vorteilhaft, wenn der etwa S-förmige Körper mit den beiden Stützflächen 8, 9 im Bereich seiner Mitte von einem Torsionsstab 10 gehalten ist, der die Federkraft aufbringt. Anderseits vermag der S-förmige Körper sich selbst elastisch biegen.It is advantageous if the entanglement over the support surface 5 and the respective hook surface 7 is secured. For this purpose, at least one further support surface 8 or 9 is resilient, so that it can be supported on at least one side surface, preferably - as shown - on an opposite side surfaces of the frames 1 under spring force. The spring load can be achieved in various ways, but it is advantageous if the approximately S-shaped body with the two support surfaces 8, 9 is held in the region of its center by a torsion bar 10 which applies the spring force. On the other hand, the S-shaped body can flex itself elastically.

Es ist ersichtlich, dass solche Dachschneefänger 3 auch nachträglich an passender Stelle angebracht werden können, wobei die Handhabung sehr einfach ist, besonders da der jeweilige Dachschneefänger mit einer einzigen Hand festgesetzt werden kann. Es versteht sich, dass verschiedene Ausführungen denkbar sind; beispielsweise könnte die Schneefangfläche 4 an der Aussenseite des U-Querschnittes liegen, wobei der Dachschneefänger umgekehrt in den Abstand d einzusetzen wäre. Die Ausbildung mit einem sich von unten nach oben verbreiternden Befestigungskörper 6 erlaubt auch eine leichte Anpassung an unterschiedliche Abstände d zwischen den Paneelen.It can be seen that such roof snow catcher 3 can also be retrofitted at a suitable location, the handling is very simple, especially since the respective roof snow catcher can be fixed with a single hand. It is understood that various embodiments are conceivable; For example, the snow guards surface 4 could lie on the outside of the U-section, with the roof snow catcher would be reversed in the distance d. The training with a widening from bottom to top fastening body 6 also allows easy adaptation to different distances d between the panels.

Eine erfindungsgemäße Ausführungsform ist in Fig. 4 dargestellt. Dabei ist bemerkenswert, dass der Befestigungskörper 6a sich nach oben zu in Form eines im Querschnitt beinahe quadratischen "Kopfes" verbreitert und sich nach unten zu gabelt, wobei der eine Gabelzinken 6' mit den Hakenflächen 7 versehen ist, wogegen der andere Gabelzinken 6" die federnde Stützfläche 8a trägt, wogegen die in Fig. 3 vorhandene Gegenstützfläche 9 fehlt. Die Gabelung ergibt ein besseres Abfedern, wobei es vorteilhaft ist, wenn die beiden Zinken über eine Rundung 11 miteinander verbunden sind.An embodiment of the invention is shown in FIG Fig. 4 shown. It is noteworthy that the fastening body 6a widens upwards in the form of a "square" in cross-section "head" and forks down, the one fork tines 6 'is provided with the hook surfaces 7, whereas the other forks 6 " resilient support surface 8a carries, whereas in Fig. 3 existing mating support surface 9 is missing. The crotch gives a better cushioning, it is advantageous if the two prongs are connected to each other via a rounding 11.

Während bei der Ausführung nach Fig. 3 die Schneefangfläche 4 starr am Dachschneefänger 3 befestigt ist, deutet Fig. 4 strichliert an, dass auch eine bewegliche Anbringung möglich ist, indem die Fläche 4a am oberen Ende der federnden Stützfläche 8a angebracht ist und sich so unter dem Druck der Schneemassen (siehe Pfeil in Fig. 3) aus der strichlierten Lage in die mit vollen Linien gezeigte Lage bewegen lässt. Damit wirkt sich der Schneedruck auch verstärkend auf die federnde Stützfläche 8a aus, was die Klemmkraft erhöht.While in the execution after Fig. 3 the snow fence 4 is rigidly attached to the roof snow catcher 3, indicates Fig. 4 indicates that a movable attachment is possible by the surface 4a is attached to the upper end of the resilient support surface 8a and so under the pressure of the snow masses (see arrow in FIG Fig. 3 ) can be moved from the dashed position to the position shown with full lines. Thus, the snow pressure also reinforcing effect on the resilient support surface 8a, which increases the clamping force.

Eine weitere erfindungsgemäße Ausführungsform des Dachschneefängers 3 und seines Befestigungskörpers 6b ist in Fig. 5 dargestellt. Ähnlich wie in Fig. 4 ist die Schneefangfläche 4 an einem im Querschnitt beinahe quadratischen Kopf ausgebildet. Der Befestigungskörpers 6b umfasst zwei nach unten voneinander wegführende Gabelzinken 6' und 6" von denen mindestens einer etwas elastisch ist und Hakenflächen 7 umfasst, wogegen der andere Gabelzinken 6" mit einer über den anderen Gabelzinken 6' vorstehenden Stützfläche 8b verbunden ist. Die Gabelung ergibt ein gutes Abfedern.A further embodiment according to the invention of the roof snow catcher 3 and its attachment body 6b is shown in FIG Fig. 5 shown. Similar to in Fig. 4 the snow catcher surface 4 is formed on a head which is almost square in cross-section. The fastening body 6b comprises two downwardly forked forks 6 'and 6 "of which at least one is somewhat elastic and includes hook surfaces 7, whereas the other fork tines 6" is connected to a support surface 8b projecting over the other fork tines 6'. The fork gives a good cushioning.

Claims (4)

  1. Roof snow catcher (3) for a roof with at least two panels (2) installed along a roof slope (a) at a distance of (d) from each other each for solar power conversion, comprising a frame (1), with the roof snow catcher (3) comprising a snow catching area (4) and a subsequent attachment element (6) with at least two supporting areas facing away from each other for clinging on two opposite frames (1) of two adjacent panels (2) for solar energy conversion, with at least one of the at least two supporting areas (7; 8a) springily protruding from the attachment element (6),
    characterised in that
    at least one of the at least two supporting areas being formed with hook areas (7) arranged crosswise to the plane of the snow catching area (4) for attaching to a frame (1), and that
    the attachment element (6) is forked and thus comprises two springy fork tines (6', 6"), of which one carries the hook areas (7) and the other the other one of the at least two supporting areas (8a).
  2. Roof snow catcher according to claim 1, characterised in that at least two of the supporting areas are formed as hook areas (7) arranged crosswise to the plane of the snow catching area (4) for hooking into a frame (1).
  3. Roof snow catcher according to claim 1 or 2, characterised in that the attachment element (6) narrows down - starting at the snow catching area (4) - towards its end crosswise to it.
  4. Roof with at least two panels (2) for solar energy conversion installed along the roof slope (a) at a distance of (d) from each other that each comprise a frame (1) with the at least one roof snow catcher (3) comprising a snow catching area (4) at the top being inserted into the distance (d) between two panels (2) or their frame (1), comprising an attachment element (6) adjacent to the snow catching area (4) with at least two supporting surfaces (5, 7; 8, 8a, 8b, 9) facing away from each other for support on two opposite frames (1) of two adjacent panels (2), characterised in that the roof snow catcher (3) is formed according to one of claims 1 to 3.
EP13170223.5A 2012-06-04 2013-06-03 Roof snow trap and roof with such a roof snow trap Active EP2672036B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00765/12A CH706588A1 (en) 2012-06-04 2012-06-04 Roof and snow catchers therefor.

Publications (2)

Publication Number Publication Date
EP2672036A1 EP2672036A1 (en) 2013-12-11
EP2672036B1 true EP2672036B1 (en) 2017-11-08

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EP13170223.5A Active EP2672036B1 (en) 2012-06-04 2013-06-03 Roof snow trap and roof with such a roof snow trap

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EP (1) EP2672036B1 (en)
CH (1) CH706588A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH717750B1 (en) * 2020-10-19 2022-02-28 Apak Yavuz Snow hook for solar panels.
CN112878601A (en) * 2021-01-15 2021-06-01 李达平 Building structure suitable for multi-storey building set-up high-rise building
DE202023104883U1 (en) 2023-08-28 2023-09-08 Meyer Blechtechnik Ag Snow guard and assembly comprising a snow guard

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000017800A (en) * 1998-06-29 2000-01-18 Sekisui House Ltd Snow guard
JP2001234619A (en) * 2000-02-23 2001-08-31 Misawa Homes Co Ltd Solar battery roof and snow guard structure of solar battery roof
JP3700646B2 (en) * 2001-12-20 2005-09-28 松下電工株式会社 Solar cell anti-skid structure and solar cell anti-skid device
DE10226024A1 (en) 2002-06-12 2003-12-24 Juergen Ruck Electrothermic roofing panel has hydrothermic heat exchangers in thermal contact with photovoltaic solar cells or films above, to generate electrical and thermal energy
JP2004027734A (en) * 2002-06-27 2004-01-29 Kyocera Corp Solar cell module and solar cell array using the same
JP2008025185A (en) * 2006-07-20 2008-02-07 Yoshinari Sangyo:Kk Snow guard metal fitting
DE102009033555B4 (en) * 2009-07-16 2020-02-27 Wilhelm Flender Gmbh & Co. Kg Snow hook

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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EP2672036A1 (en) 2013-12-11
CH706588A1 (en) 2013-12-13

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