EP0276423A2 - Self-supporting staircase with component units - Google Patents

Self-supporting staircase with component units Download PDF

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Publication number
EP0276423A2
EP0276423A2 EP87118141A EP87118141A EP0276423A2 EP 0276423 A2 EP0276423 A2 EP 0276423A2 EP 87118141 A EP87118141 A EP 87118141A EP 87118141 A EP87118141 A EP 87118141A EP 0276423 A2 EP0276423 A2 EP 0276423A2
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EP
European Patent Office
Prior art keywords
staircase
self
stairs
handrail
handrail part
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.)
Granted
Application number
EP87118141A
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German (de)
French (fr)
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EP0276423B1 (en
EP0276423A3 (en
Inventor
Wilfried Hamm
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Individual
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Individual
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Priority to AT87118141T priority Critical patent/ATE62966T1/en
Publication of EP0276423A2 publication Critical patent/EP0276423A2/en
Publication of EP0276423A3 publication Critical patent/EP0276423A3/en
Application granted granted Critical
Publication of EP0276423B1 publication Critical patent/EP0276423B1/en
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Expired - Lifetime legal-status Critical Current

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    • 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
    • E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
    • E04F11/035—Stairways consisting of a plurality of assembled modular parts without further support
    • E04F11/038—Stairways consisting of a plurality of assembled modular parts without further support each modular part having a load-bearing balustrade part
    • 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
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F2011/0203—Miscellaneous features of stairways not otherwise provided for
    • E04F2011/0205—Stairways characterised by the use of specific materials for the supporting structure of the treads
    • E04F2011/0209—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of metal

Definitions

  • the invention relates to a self-supporting elementary staircase, preferably used as an external staircase, as it is used both as an inspection staircase in industrial plants and as a fire escape staircase in hotels or other large buildings, and as an external staircase in residential construction.
  • the object of the invention is to provide a staircase for the above-mentioned applications, which is economical to manufacture and assemble, low in material consumption and can be used practically for any staircase run without a special construction.
  • the object is achieved by a tubular steel construction which consists of the U-shaped connecting brackets, the handrail parts attached to the upper ends of the connecting brackets and the treads inserted at the lower ends of the connecting brackets by means of clamp connections.
  • the central component of the staircase is the U-shaped connecting bracket (1) made of tubular steel.
  • the connecting brackets are connected to each other at the upper ends by the handrail parts (2) and in the lower area by the steps (3).
  • the handrail parts (2) consist of a steel tube bent according to the inclination of the stairs with a connecting sleeve (5) welded crosswise on one side.
  • the connecting bracket (1) is inserted into this connecting sleeve from below and the free end of the following handrail part from above.
  • the steps (3) consist of a flat steel frame, which is designed as a pipe clamp at all four corners. These pipe clamps reach into the lower area of two pairs of connecting brackets and ensure a particularly rigid connection by tightening the 3 or 4 pipe clamp screws.
  • two steps are used as the step.
  • the straight step (Fig. 5) for the straight execution of the staircase and the radius step (Fig. 6) for the curve of the staircase.
  • the frame construction of the steps can be filled with grating, perforated plate, teardrop plate, stone, wood and plastic coverings.
  • the symmetry of the radius step makes it possible to use it for both the right-hand arch and the left-hand arch of the flight of stairs.
  • a sheet metal (6) welded to the handrail part (2) serves to accommodate the railing rods (4) which are fastened to the step in the lower area. This option is only one of many. Complete linings made of perforated sheet or similar are also possible. conceivable.
  • the stairs can be assembled very quickly without reworking. Special surface treatments of the finished tubular steel u. Step elements can thus be made before the stairs are assembled, since they are completely finished individual parts.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Steps, Ramps, And Handrails (AREA)
  • Bipolar Transistors (AREA)
  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)

Abstract

Self-supporting unit element staircase consisting of linking elements of steel tube shaped by bending into a U-form and which lie at right angles to the line of the stairs. These linking elements are connected together at their upper, open ends by means of handrail parts, which are also of steel tube and have been shaped by bending and which have a coupling sleeve welded on transversely at one end. At their lower ends, the linking elements are connected together by means of the steps, which have pipe clamp fittings at their four corners. Two different step shapes permit every desired form of flight of stairs to be constructed.

Description

Die Erfindung betrifft eine selbsttragende Elementtreppe, vorzugsweise eingesetzt als Außentreppe, wie sie sowohl als Begehungstreppe in Industrieanlagen als auch als Brand-­Fluchttreppen an Hotels oder sonstigen Großgebäuden, sowie als Außentreppen im Wohnungsbau Verwendung findet.The invention relates to a self-supporting elementary staircase, preferably used as an external staircase, as it is used both as an inspection staircase in industrial plants and as a fire escape staircase in hotels or other large buildings, and as an external staircase in residential construction.

Derartige Treppen mußten bisher stets auf jeden Anwendungs­fall individuell abgestimmt werden. Ebenso die behördlich vorgeschriebene Verkehrslast von 5 KN/m² lassen hier normale Standardtreppen scheitern, so daß der Bau einer solchen Treppe stets mit hohen Kosten verbunden war.Up to now, such stairs have always had to be individually tailored to each application. Likewise, the officially prescribed traffic load of 5 KN / m² make normal standard stairs fail, so that the construction of such stairs was always associated with high costs.

Auch die bisher bekannten Spindeltreppen, bei der sämtliche Stufen an einem zentralen Rohr befestigt sind, lassen sich nur bedingt einsetzen, da bei der Überwindung größerer Höhen die Statik hier an nicht überwindbare Grenzen stößt. Die Treppe der deutschen Patentanmeldung P 3637807 vermeidet zwar die genannten Nachteile, ist jedoch in ihrer Bauart noch zu materialintensiv.Even the previously known spiral staircases, in which all the steps are attached to a central tube, can only be used to a limited extent, since the statics reach insurmountable limits when overcoming greater heights. The staircase of the German patent application P 3637807 avoids the disadvantages mentioned, but its construction is still too material-intensive.

Aufgabe der Erfindung ist es, eine Treppe für oben genannte Einsatzfälle zu schaffen, die wirtschaftlich herzustellen und zu montieren ist, gering im Materialverbrauch, sowie praktisch für jeden beliebigen Treppenlauf ohne Sonderkon­struktion zu verwenden ist.The object of the invention is to provide a staircase for the above-mentioned applications, which is economical to manufacture and assemble, low in material consumption and can be used practically for any staircase run without a special construction.

Erfindungsgemäß wird die Aufgabe gelöst durch eine Stahlrohr­konstruktion, welche aus den U-förmigen Verbindungsbügeln, den an den oberen Enden der Verbindungsbügel aufgesetzten Hand­laufteilen und den an den unteren Enden der Verbindungsbügel durch Klemmverbindungen eingesetzte Trittstufen besteht.According to the invention the object is achieved by a tubular steel construction which consists of the U-shaped connecting brackets, the handrail parts attached to the upper ends of the connecting brackets and the treads inserted at the lower ends of the connecting brackets by means of clamp connections.

Weitere Merkmale der Erfindung bestehen darin, daß nur drei Elemente, Verbindungsbügel, Handlaufteil und Trittstufe, er­forderlich sind, um eine komplette Treppe zu realisieren und daß mit fünf Serienteilen, Verbindungsbügeln Außenhandlaufteil, Innenhandlaufteil, Trittstufe für Radien, Trittstufe für Gerade­auflauf, jede gewünschte Treppenlaufform herstellbar ist.Further features of the invention consist in the fact that only three elements, connecting bracket, handrail part and step are required to realize a complete staircase and that with five series parts, connecting brackets outer handrail part, inner handrail part, step for radii, step for straight entry, any desired stair running shape can be produced is.

Die Erfindung soll mit Hilfe der Zeichnung näher erläutert werden.

  • Fig. 1 zeigt den typischen Treppenlauf einer Wendeltreppe. Für die Herstellung dieses Treppenlaufes genügen 4 Bauele­mente: Stufe, Verbindungsbügel, Außen- und Innenhandlaufteil.
  • Fig. 2 und 3 zeigen Treppenläufe, die alle Varianten ent­halten. Neben dem schon vorhandenen Element der Wendeltreppe, welches für alle Radienteilabschnitte des Treppenlaufes ver­wendet wird, muß hier lediglich nur noch die Trittstufe für den Geradeauslauf eingesetzt werden, um die geraden Abschnitte der Treppenläufe damit abzudecken.
  • Fig. 4 zeigt die perspektivische Darstellung zweier zusammen­zusetzender Stufenelemente.
  • Fig. 5 zeigt die Trittstufe für Geradeauslauf und Fig. 6 die Trittstufe für Radien.
  • Fig. 7 zeigt vergrößert die auf die oberen Enden der Verbin­dungsbügel aufgesteckten Handlaufteile, sowie deren Befesti­gung.
The invention will be explained in more detail with the aid of the drawing.
  • Fig. 1 shows the typical flight of stairs of a spiral staircase. 4 components are sufficient to manufacture this stair run: step, connecting bracket, outer and inner handrail part.
  • 2 and 3 show staircases that contain all variants. In addition to the already existing element of the spiral staircase, which is used for all radius sections of the staircase, only the step for the straight line has to be used to cover the straight sections of the staircase.
  • Fig. 4 shows the perspective view of two step elements to be assembled.
  • Fig. 5 shows the step for straight running and Fig. 6 shows the step for radii.
  • Fig. 7 shows an enlarged view of the handrail parts attached to the upper ends of the connecting brackets, and their attachment.

Zentrales Bauelement der Treppe ist der U-förmig gebogene Verbindungsbügel (1) aus Stahlrohr. Untereinander verbunden werden die Verbindungsbügel an den oberen Enden durch die Handlaufteile (2) und im unteren Bereich durch die Trittstu­fen (3). Die Handlaufteile (2) bestehen aus einem ent­sprechend der Treppenneigung gebogenen Stahlrohr mit einsei­tig quer angeschweißter Verbindungsmuffe (5). In diese Ver­bindungsmuffe wird von unten der Verbindungsbügel (1) und von oben das freie Ende des folgenden Handlaufteiles eingesteckt.The central component of the staircase is the U-shaped connecting bracket (1) made of tubular steel. The connecting brackets are connected to each other at the upper ends by the handrail parts (2) and in the lower area by the steps (3). The handrail parts (2) consist of a steel tube bent according to the inclination of the stairs with a connecting sleeve (5) welded crosswise on one side. The connecting bracket (1) is inserted into this connecting sleeve from below and the free end of the following handrail part from above.

Entsprechendes konstruktionsseitig vorgesehenes axiales Spiel zwischen den eingesteckten Rohrenden berücksichtigt den bei der Treppenmontage notwendigen Tritthöhenausgleich. Gewinde­stifte (7) helfen bei der Justage und Spannstifte (8) geben der Verbindung die notwendige statische Belastungsfähigkeit. Dabei brauchen lediglich die bereits in der Verbindungsmuffe (5) vorhandenen Löcher mit der Handbohrmaschine durch das eingesteckte Rohrende durchgebohrt zu werden.Corresponding axial play provided by the construction between the inserted pipe ends takes into account the step height compensation necessary when installing the stairs. Setscrews (7) help with the adjustment and dowel pins (8) give the connection the necessary static load capacity. All that is required is to drill the holes already in the connecting sleeve (5) with the hand drill through the inserted pipe end.

Die Trittstufen (3) bestehen aus einem Flachstahlrahmen, der an allen vier Ecken als Rohrschelle ausgebildet ist. Diese Rohrschellen greifen in den unteren Bereich zweier Verbindungs­bügelpaare und sorgen durch Anzug der 3 bzw. 4 Rohrschellen­schrauben für eine besonders steife Verbindung. Als Trittstufe kommen je nach Treppenlaufform zwei Stufenformen zum Einsatz. Die Geradentrittstufe (Fig. 5) für die Geradeausführung des Treppenlaufes und die Radiusstufe (Fig. 6) für die Kurvenfüh­rung des Treppenlaufes. Die Rahmenkonstruktion der Trittstufen kann dabei durch Gitterrost, Lochblech, Tränenblech, Stein, Holz sowie durch Kunststoffbelägen ausgefüllt werden. Die Sym­metrie der Radiusstufe macht ihre Verwendung sowohl für den Rechtsbogen als auch für den Linksbogen des Treppenlaufes mög­lich.The steps (3) consist of a flat steel frame, which is designed as a pipe clamp at all four corners. These pipe clamps reach into the lower area of two pairs of connecting brackets and ensure a particularly rigid connection by tightening the 3 or 4 pipe clamp screws. Depending on the shape of the staircase, two steps are used as the step. The straight step (Fig. 5) for the straight execution of the staircase and the radius step (Fig. 6) for the curve of the staircase. The frame construction of the steps can be filled with grating, perforated plate, teardrop plate, stone, wood and plastic coverings. The symmetry of the radius step makes it possible to use it for both the right-hand arch and the left-hand arch of the flight of stairs.

Ein am Handlaufteil (2) angeschweißtes Blech (6) dient als Auf­nahme der Geländerstäbe (4), die im unteren Bereich an der Tritt­stufe befestigt sind. Diese Möglichkeit stellt nur eine von vielen dar. So sind auch komplette Auskleidungen durch Lochblech o.ä. denkbar.A sheet metal (6) welded to the handrail part (2) serves to accommodate the railing rods (4) which are fastened to the step in the lower area. This option is only one of many. Complete linings made of perforated sheet or similar are also possible. conceivable.

Durch die Einfachheit der wenigen Teile läßt sich die Treppe ohne Biege-Nacharbeit sehr schnell montieren. Spezielle Oberflächen­behandlungen der fertigen Stahlrohr- u. Trittstufenelemente können somit vor der Montage der Treppe erfolgen, da es sich dabei um absolut fertige Einzelteile handelt.Due to the simplicity of the few parts, the stairs can be assembled very quickly without reworking. Special surface treatments of the finished tubular steel u. Step elements can thus be made before the stairs are assembled, since they are completely finished individual parts.

Geringster Materialeinsatz und Transportgewicht, größtmögliche Stabilität und einfache Montage ohne Nacharbeit machen diese Treppe zu einem besonders wirtschaftlichen Produkt. Die ein­fache technische Formgebung, die Dominanz der gebogenen Stahl­rohre verleihen der Treppe darüber hinaus auch ein ansprechen­des Design.The minimal use of materials and transport weight, the greatest possible stability and simple assembly without reworking make this staircase a particularly economical product. The simple technical design and the dominance of the curved steel tubes also give the stairs an appealing design.

Claims (4)

1) Selbsttragende Elementtreppe, gekennzeichnet durch eine Stahlrohrkonstruktion, welche aus den U-förmigen Verbin­dungsbügeln (1), den an den oberen Enden der Verbindungs­bügel aufgesetzten Handlaufteilen (2) und den an den un­teren Enden der Verbindungsbügel durch Klemmverbindungen eingesetzte Trittstufen (3) besteht.1) Self-supporting element staircase, characterized by a tubular steel construction, which consists of the U-shaped connecting brackets (1), the handrail parts (2) attached to the upper ends of the connecting brackets and the steps (3) inserted at the lower ends of the connecting brackets. 2) Selbsttragende Elementtreppe nach Anspruch 1, dadurch gekennzeichnet, daß nur drei Elemente, Verbindungsbügel, Handlaufteil, Trittstufe, erforderlich sind, um eine komplette Treppe zu realisieren.2) Self-supporting element stairs according to claim 1, characterized in that only three elements, connecting bracket, handrail part, step are required to realize a complete staircase. 3) Selbsttragende Elementtreppe nach den Ansprüchen 1 und 2 dadurch gekennzeichnet, daß mit fünf Serienteilen, Verbindungsbügel, Außenhandlaufteil, Innenhandlaufteil, Trittstufe für Radien, Trittstufe für Geradeauslauf, jede gewünschte Treppenlaufform herstellbar ist.3) Self-supporting elemental staircase according to claims 1 and 2, characterized in that with five series parts, connecting bracket, outer handrail part, inner handrail part, step for radii, step for straight running, any desired stair running shape can be produced. 4) Selbsttragende Elementtreppe nach Anspruch 1 dadurch gekennzeichnet, daß das Handlaufteil aus einem ent­sprechend der Treppenneigung gebogenen Stahlrohr mit einseitig quer angeschweißter Verbindungsmuffe (5) besteht.4) Self-supporting elemental staircase according to claim 1, characterized in that the handrail part consists of a steel tube bent according to the stair inclination with a connecting sleeve (5) welded transversely on one side.
EP87118141A 1987-01-27 1987-12-08 Self-supporting staircase with component units Expired - Lifetime EP0276423B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87118141T ATE62966T1 (en) 1987-01-27 1987-12-08 SELF-SUPPORTING ELEMENT STAIRCASE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3702278A DE3702278C2 (en) 1987-01-27 1987-01-27 Self-supporting element staircase
DE3702278 1987-01-27

Publications (3)

Publication Number Publication Date
EP0276423A2 true EP0276423A2 (en) 1988-08-03
EP0276423A3 EP0276423A3 (en) 1989-04-26
EP0276423B1 EP0276423B1 (en) 1991-04-24

Family

ID=6319590

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87118141A Expired - Lifetime EP0276423B1 (en) 1987-01-27 1987-12-08 Self-supporting staircase with component units

Country Status (7)

Country Link
US (1) US4881351A (en)
EP (1) EP0276423B1 (en)
JP (1) JPH01146052A (en)
AT (1) ATE62966T1 (en)
CA (1) CA1295453C (en)
DE (2) DE3702278C2 (en)
NO (1) NO164362C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9202493U1 (en) * 1992-02-26 1992-04-16 Ortolf, Helmut, 7000 Stuttgart, De
ITBS20090034A1 (en) * 2009-03-03 2010-09-04 Mauro Grandi MODULAR SCALE

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4232800C2 (en) * 1992-09-30 1996-05-23 Wilfried Hamm Railings made from prefabricated standard components
DE4411882C2 (en) * 1994-04-07 2003-11-06 Wilfried Hamm Self-supporting elementary staircase made of a metal grid construction
US5752350A (en) * 1996-09-27 1998-05-19 Imperial Pools, Inc. Modular stair support system useable for a pool or spa
US5983580A (en) * 1998-04-06 1999-11-16 Carr; M. Robert Stair frame
US6523310B1 (en) * 2001-11-23 2003-02-25 Taiwan Lounge Chair Industry Co., Ltd. Tread and handrail combination structure of a staircase
CN105189887B (en) * 2013-02-11 2017-10-24 约翰·普雷斯顿 Cooperatively form the ladder module of temporary stairways
DE102020001012A1 (en) * 2020-02-14 2021-08-19 Franz Kerner Building complex of at least two buildings and buildings

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3418770A (en) * 1966-07-12 1968-12-31 Prod Chimques De Thann Et De M Spiral stairs
US3422924A (en) * 1966-08-16 1969-01-21 Starkie Gardner Ltd J Structural unit particularly for staircases
CH478317A (en) * 1967-08-09 1969-09-15 Lignoform Formsperrholz G Esse Staircase and method of making them

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US705794A (en) * 1901-11-25 1902-07-29 Harrison Snider Winding staircase.
US990701A (en) * 1909-10-02 1911-04-25 William Carter Burge Fire-escape.
NO751539L (en) * 1974-05-22 1975-11-25 Wards Constr Overseas Ltd
US4250977A (en) * 1979-07-18 1981-02-17 Peter Deli Combined seat and step-ladder arrangement
DE3637807A1 (en) * 1986-11-06 1988-05-19 Wilfried Hamm Self-supporting unit-built staircase
FR2630483A1 (en) * 1988-04-22 1989-10-27 Houze Jean Self-supporting stair

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3418770A (en) * 1966-07-12 1968-12-31 Prod Chimques De Thann Et De M Spiral stairs
US3422924A (en) * 1966-08-16 1969-01-21 Starkie Gardner Ltd J Structural unit particularly for staircases
CH478317A (en) * 1967-08-09 1969-09-15 Lignoform Formsperrholz G Esse Staircase and method of making them

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9202493U1 (en) * 1992-02-26 1992-04-16 Ortolf, Helmut, 7000 Stuttgart, De
ITBS20090034A1 (en) * 2009-03-03 2010-09-04 Mauro Grandi MODULAR SCALE

Also Published As

Publication number Publication date
ATE62966T1 (en) 1991-05-15
NO164362C (en) 1990-09-26
CA1295453C (en) 1992-02-11
EP0276423B1 (en) 1991-04-24
NO164362B (en) 1990-06-18
DE3702278A1 (en) 1988-08-04
DE8718004U1 (en) 1992-07-30
US4881351A (en) 1989-11-21
DE3702278C2 (en) 1995-11-16
JPH01146052A (en) 1989-06-08
NO880293L (en) 1988-07-28
NO880293D0 (en) 1988-01-25
EP0276423A3 (en) 1989-04-26
JPH0444655B2 (en) 1992-07-22

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