EP3106584B1 - Verbesserte stufe für trittfestes gitter - Google Patents

Verbesserte stufe für trittfestes gitter Download PDF

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Publication number
EP3106584B1
EP3106584B1 EP16174241.6A EP16174241A EP3106584B1 EP 3106584 B1 EP3106584 B1 EP 3106584B1 EP 16174241 A EP16174241 A EP 16174241A EP 3106584 B1 EP3106584 B1 EP 3106584B1
Authority
EP
European Patent Office
Prior art keywords
grating
stair tread
bands
end plates
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.)
Active
Application number
EP16174241.6A
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English (en)
French (fr)
Other versions
EP3106584A1 (de
Inventor
Sandro Leonardi
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.)
Italiana Keller Grigliati Soc Coop A RL
Original Assignee
Italiana Keller Grigliati Soc Coop A RL
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Publication date
Application filed by Italiana Keller Grigliati Soc Coop A RL filed Critical Italiana Keller Grigliati Soc Coop A RL
Publication of EP3106584A1 publication Critical patent/EP3106584A1/de
Application granted granted Critical
Publication of EP3106584B1 publication Critical patent/EP3106584B1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/104—Treads
    • E04F11/112—Treads of metal or with an upper layer of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/42—Gratings; Grid-like panels
    • E04C2/421—Gratings; Grid-like panels made of bar-like elements, e.g. bars discontinuous in one direction
    • E04C2/422—Gratings; Grid-like panels made of bar-like elements, e.g. bars discontinuous in one direction with continuous bars connecting at crossing points of the grid pattern
    • E04C2/423—Gratings; Grid-like panels made of bar-like elements, e.g. bars discontinuous in one direction with continuous bars connecting at crossing points of the grid pattern with notches
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/104—Treads
    • E04F2011/1046—Miscellaneous features of treads not otherwise provided for

Definitions

  • the present invention relates to the sector of metal staircases provided with treadable-grating surfaces, permeable to air and light.
  • the weight of grating surfaces to be laid in situ, including steps, is one of the main aspects that involve great resources both from the commercial standpoint (for quantifying the costs when drawing up the bid) and from the technical standpoint (when drawing up the detailed design).
  • anti-vertigo function which constitutes an important element for marketability of the product.
  • a first purpose of the present invention is to reduce the weight of each step, at the same time enabling wide operating spans.
  • a second purpose of the invention is to guarantee an anti-vertigo function that would not otherwise be possible with grating steps of a conventional type.
  • an improved high-strength lightweight metal sectional element for treadable gratings, envisages a cross section presenting one or more bends and/or counter-bends at least one of the ends in order to have a high moment of inertia to bending as compared to other metal sectional elements with cross sections of equal area.
  • a visually screened grating in particular for walkable surfaces in elevated position, including a plurality of adjacent supporting bars, parallel to each other, and having a stamped profile, with at least one fold or curvature.
  • EP2698483 nor ES2317740 disclose or suggest a standard grating stair tread step provided with reinforced elements which are inserted under - and therefore separated from - the step itself.
  • the inventive idea underlying the present invention basically consists in providing a functional and structural co-operation between a step of a standard type and reinforcement elements of various types that can be inserted underneath the treading surface of the step itself.
  • the steps of a conventional type that are shown in the (non-limiting) example of embodiment referred to in the present description have a mesh with bars having a cross section smaller than the one specified in the load tables: in fact, according to the present invention, the required strength is obtained thanks to insertion of elements underneath the step to achieve the desired load-bearing capacity, at the same time providing a product having a lower weight as compared to products so far known.
  • the standard step ( Figure 1A ) is constituted by a grating that may be of various types (e.g., 15 ⁇ 76/30 ⁇ 3) and is basically made up of:
  • the step shown in Figure 2 presents a considerably lower weight than steps of a traditional type that are designed to withstand the same load, and at the same time creates an anti-vertigo function by means of the underlying sectional elements.
  • a variant of the step forming the subject of the present invention ( Figure 4 ) has a more marked and specific anti-vertigo function, in so far as it envisages the use, once again on the underside of the grating of the step itself, of an obscuring panel with inclined bars 2'.
  • the inclined bars 2' have an inclination and are set at a distance from one another such as to prevent the user from seeing through the grating of the steps, eliminating the possibility of the user realizing the height reached when he is looking where he puts his feet.
  • the distance of the inclined bars 2' from the grating is a function of the necessary load-bearing capacity, and the inclined bars 2' are rendered fixed with respect to the end plates 5 (adequately enlarged) and structurally participating by means of one or more bands 3 made of sheet metal arranged orthogonal thereto and to the treading surface.
  • one of these bands 3 is shown with a perimeter identified by a dashed line.
  • said bands 3 be provided with appropriate shaped notches or slots 6 designed to mate with the boundaries of the cross section of the sectional elements 2 described previously ( Figures 3 and 5 ).
  • a further peculiar characteristic of the invention lies in the fact that said bands 3 are fixed to the sectional elements 2, 2' at the edges of the shaped slots or notches 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Steps, Ramps, And Handrails (AREA)
  • Sewage (AREA)

Claims (7)

  1. Stufe für trittfeste Gittertreppen, umfassend:
    - einen Gittertreppenauftritt (1) mit einer Länge, die für die Breite einer Treppe geeignet ist; und
    - zumindest zwei Endplatten (5) zur Anbringung der Stufe an den äußeren Längsträgern der Treppe; wobei die Stäbe des Gittertreppenauftritts (1) auf den Endplatten (5) angeschweißt sind,
    wobei die Stufe dadurch gekennzeichnet ist, dass:
    Verstärkungselemente unterhalb des Gittertreppenauftritts (1) der Stufe selbst vorgesehen sind, wobei die Verstärkungselemente umfassen:
    - L-förmige Profilelemente (2), die an der Unterseite des Gittertreppenauftritts (1) eingegliedert und an den Endplatten (5) befestigt sind; und
    - ein oder mehr Verstärkungsbänder (3) aus Metallblech, die senkrecht zu den L-förmigen Profilelementen (2) und zur Trittfläche angeordnet sind;
    wodurch eine funktionelle und strukturelle Zusammenwirkung zwischen dem Gittertreppenauftritt (1) und den Verstärkungselementen erzielt ist.
  2. Stufe für trittfeste Gittertreppen, umfassend:
    - einen Gittertreppenauftritt (1) mit einer Länge, die für die Breite einer Treppe geeignet ist; und
    - zumindest zwei Endplatten (5) zur Anbringung der Stufe an den äußeren Längsträgern der Treppe; wobei die Stäbe des Gittertreppenauftritts (1) auf den Endplatten (5) angeschweißt sind,
    wobei die Stufe dadurch gekennzeichnet ist, dass:
    Verstärkungselemente unterhalb des Gittertreppenauftritts (1) der Stufe selbst vorgesehen sind, wobei die Verstärkungselemente umfassen:
    - eine Verdeckungsplatte mit geneigten Stäben (2') zum Implementieren einer Höhenangstschutzfunktion, die zweckmäßig an der Unterseite des Gittertreppenauftritts (1) angeordnet ist, und
    - ein oder mehr Verstärkungsbänder (3) aus Metallblech, die senkrecht zu den geneigten Stäben (2') und zur Trittfläche angeordnet sind;
    wobei die geneigten Stäbe (2') mithilfe der Verstärkungsbänder (3) strukturell beteiligt werden.
  3. Stufe nach Anspruch 2, dadurch gekennzeichnet, dass die geneigten Stäbe (2') eine derartige Neigung aufweisen und in einem derartigen Abstand zueinander eingerichtet sind, dass verhindert ist, dass ein Benutzer durch das Gitter der Stufen durchschauen kann, wodurch die Möglichkeit beseitigt ist, dass der Benutzer die erreichte Höhe erfasst, wenn er schaut, wohin er seine Füße setzt.
  4. Stufe nach Anspruch 1, dadurch gekennzeichnet, dass die Bänder (3) mit zweckmäßig geformten Kerben oder Schlitzen (6) versehen sind, die zum Zusammenpassen mit den Konturen des Querschnitts der L-förmigen Profilelemente (2), an denen sie eingezwängt sind, gestaltet sind.
  5. Stufe nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Bänder (3) an den L-förmigen Profilelementen (2) an den Kanten der geformten Schlitze oder Kerben (6) befestigt sind, und dass die L-förmigen Profilelemente (2) an den Endplatten (5) an ihren Enden befestigt sind.
  6. Stufe nach Anspruch 2, dadurch gekennzeichnet, dass die Bänder (3) mit zweckmäßig geformten Kerben oder Schlitzen (6) versehen sind, die zum Zusammenpassen mit den Konturen des Querschnitts der geneigten Stäbe (2'), an denen sie eingezwängt sind, gestaltet sind.
  7. Stufe nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Bänder (3) an den geneigten Stäben (2') an den Kanten der geformten Schlitze oder Kerben (6) befestigt sind, und dass die geneigten Stäbe (2') an den Endplatten (5) an ihren Enden befestigt sind.
EP16174241.6A 2015-06-19 2016-06-13 Verbesserte stufe für trittfestes gitter Active EP3106584B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUB20151524 2015-06-19

Publications (2)

Publication Number Publication Date
EP3106584A1 EP3106584A1 (de) 2016-12-21
EP3106584B1 true EP3106584B1 (de) 2022-04-20

Family

ID=54199964

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16174241.6A Active EP3106584B1 (de) 2015-06-19 2016-06-13 Verbesserte stufe für trittfestes gitter

Country Status (1)

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EP (1) EP3106584B1 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1978791U (de) * 1967-10-07 1968-02-15 Lichtgitter Gmbh Gitterrost.
DE2732593A1 (de) * 1977-07-19 1979-02-01 Baecker Josef Fa Selbsttragendes begehbares gitterrostelement fuer zwischenboeden
DE10033530B4 (de) * 2000-07-11 2006-07-27 Heifa Kamin- Und Korrosionsschutz Vertriebs Gmbh Steckbausystem für ein blickdichtes Tragwerk
ITMI20051120A1 (it) * 2005-06-15 2006-12-16 Orsogril S P A "grigliato a schermatura visiva, in particolare per superfici calpestabili in posizione rialza"
ITRM20120409A1 (it) * 2012-08-13 2014-02-14 Italiana Keller Grigliati S C A R L Profilato perfezionato ad alta resistenza meccanica e peso ridotto, in particolare per grigliati calpestabili.

Also Published As

Publication number Publication date
EP3106584A1 (de) 2016-12-21

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