EP0516999B1 - Light metal side transom for a staircase - Google Patents

Light metal side transom for a staircase Download PDF

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Publication number
EP0516999B1
EP0516999B1 EP92107782A EP92107782A EP0516999B1 EP 0516999 B1 EP0516999 B1 EP 0516999B1 EP 92107782 A EP92107782 A EP 92107782A EP 92107782 A EP92107782 A EP 92107782A EP 0516999 B1 EP0516999 B1 EP 0516999B1
Authority
EP
European Patent Office
Prior art keywords
side member
end portion
end piece
screws
transom
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
EP92107782A
Other languages
German (de)
French (fr)
Other versions
EP0516999A1 (en
Inventor
Joachim Dr. Metzger
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.)
RK Rose and Krieger GmbH and Co KG Verbindungs und Positioniersysteme
Original Assignee
RK Rose and Krieger GmbH and Co KG Verbindungs und Positioniersysteme
RK Rose and Krieger GmbH and Co KG
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 RK Rose and Krieger GmbH and Co KG Verbindungs und Positioniersysteme, RK Rose and Krieger GmbH and Co KG filed Critical RK Rose and Krieger GmbH and Co KG Verbindungs und Positioniersysteme
Publication of EP0516999A1 publication Critical patent/EP0516999A1/en
Application granted granted Critical
Publication of EP0516999B1 publication Critical patent/EP0516999B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • E04F11/025—Stairways having stringers

Definitions

  • the present invention relates to a side rail made of light metal for a staircase according to the preamble of claim 1.
  • the object of the invention is therefore to design a side rail of the generic type in such a way that it can be manufactured and assembled inexpensively using the simplest means.
  • the footrest of the side rail which rests on the floor in the functional case, is now formed by the end piece, one side of which forms a support surface with which the side rail rests on the floor. In this case, this contact surface is aligned horizontally.
  • the further measure of the invention offers the advantage that the end piece can be screwed onto the side bar, the screw channels forming the nut parts for screws which, on the other hand, are provided by the associated leg of the end piece are guided and supported there.
  • An advantageous idea of the invention provides that the through openings in the leg of the end piece, through which the screws are guided, are shaped in the manner of a keyhole. This enables the screws to be pre-assembled. This means screwing into the side rail or screw channels before the end piece is clamped.
  • both contact legs are expediently provided with corresponding, screw-receiving openings, whereby one leg can be provided with round through holes, while the openings of the other leg are keyhole-shaped in the manner mentioned.
  • a staircase shown in FIG. 1 consists of two spaced-apart side rails 1, on the top of which a railing 11 is fastened, a plurality of steps 4 being arranged between the side rails 1.
  • a platform 3 is provided, the outer frame of which can be formed, for example, from profile tubes 12 and the tread surface can consist of gratings.
  • each side rail 1 is provided with an end piece 2, the base surface of which is flush with the side rail 1 and is approximately triangular in shape.
  • this end piece 2 On its outer surface formed together with the side rail 1, this end piece 2 is closed, while the legs delimiting the sides correspond approximately in width to the thickness of the side rail 1.
  • the leg of the end piece 2 facing the side spar 1 and opposite it are provided with through-openings 7, which are keyhole-shaped in the present exemplary embodiment.
  • the narrower part of the through openings 7 extends in the direction of the stress, so that a firm hold by the through openings 7 passing through, screwed into screw channels 5 of the side rail 1 screws 6 is given.
  • the screws 6 are preferably designed as hexagon socket screws with a cylinder head, which are designed as expansion screws.
  • the expansion screws are supported on the inside of the associated leg, pressing the end piece 2 against the end face of the side rail 1.
  • a bearing surface 8 of the end piece forming the foot part of the side rail 1 is oriented horizontally, while the corresponding bearing surface of the end piece 2 forming the head part is directed vertically, this bearing surface 8 rests on the platform 3 or the profile tube 12 and is thus also screwed by means of screws 6.
  • the profile tube 12 is expediently also provided with screw channels into which the screws 6 are screwed, the screws 6 being able to have a self-tapping thread.
  • an eye 9 provided with an internal thread is provided in the end piece 2.
  • a side plate 10 is screwed onto this eye 9 and is also connected to the side rail 1 and the profile tube 12.
  • This side plate 10 forms the side closure and the support element for step 4, which represents the transition between the side rails 1 and the platform 3 in the head region of the stairs.
  • the side plates 10 serve to fix the steps 4 on the side rails 1, as shown in FIG.
  • the end pieces 2 for the head area and the foot area of a side rail 1 are designed the same so that they are interchangeable, the end piece 2 expediently forming an isosceles triangle, the connecting leg of which is designed such that it is at right angles to both adjacent legs.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Steps, Ramps, And Handrails (AREA)
  • Ladders (AREA)
  • Load-Bearing And Curtain Walls (AREA)

Abstract

In order to obtain a standing surface, it is known to bevel off the side transoms of the staircase, this usually being carried out with tools which are not available on site. On the one hand, an exact dimensional specification is consequently necessary, on the other hand this method of construction produces waste material, which unnecessarily makes the product more expensive. The object of the invention is therefore to design a side transom in such a way that it can be produced and assembled by very simple means at reasonable cost. For this purpose, the invention provides that on at least one end face of the side transom (1) there is fitted an end piece (2), the base surface of which in line with the side transom (1) being approximately triangularly shaped. In the position for use of the side transom (1), one side of the end piece (2) in this case forms a horizontally or vertically aligned bearing surface. Also provided, in the inner chambers of the side transom (1), are screw channels (5), into which screws (6) passing through the end piece (2) are screwed. A bevelling off of the end faces of the side transom is no longer necessary, so that simple cutting to the appropriate overall length suffices. This results in considerable cost advantages both with regard to production and with regard to assembly. <IMAGE>

Description

Die vorliegende Erfindung betrifft einen aus Leichtmetall bestehenden Seitenholm für eine Treppe gemäß dem Oberbegriff des Anspruchs 1.The present invention relates to a side rail made of light metal for a staircase according to the preamble of claim 1.

Um eine Aufstellfläche zu erhalten, auf denen die Seitenholme einer Treppe in Funktionsstellung auf dem Boden ruhen, es ist bisher bekannt, die entsprechende Stirnseite des aus einem handelsüblichen Profilrohr abgelängten Seitenholmes abzuschrägen, beispielsweise durch einen Gehrungsschnitt. Bekannt ist es auch, eine keilformige Ausnehmung im Endbereich des Seitenholmes vorzusehen und das anhängende Restteil umzubiegen und mit dem Seitenholm im übrigen zu verschweißen, wobei der eingeschlossene Winkel der keilförmigen Ausklinkung dem Steigungswinkel der Treppe entspricht.In order to obtain a footprint on which the side rails of a staircase rest in the functional position on the floor, it has hitherto been known to chamfer the corresponding end face of the side rail cut to length from a commercially available profile tube, for example by a miter cut. It is also known to provide a wedge-shaped recess in the end region of the side rail and to bend the attached remaining part and to weld it to the side rail in the rest, the included angle of the wedge-shaped notch corresponding to the angle of inclination of the stairs.

In jedem Fall ist die Fertigstellung eines Seitenholms im Sinne einer funktionsfähigen Verwendbarkeit nicht nur arbeitsintensiv, sondern auch materialaufwendig, da nicht verwendbare Abfallstücke sowohl beim Ausklinken als auch beim Schneiden auf Gehrung anfallen.In any case, the completion of a side spar in terms of a functional usability is not only labor intensive, but also requires a lot of material, since waste pieces that cannot be used are incurred both when notching and when miter cutting.

Darüber hinaus ist ein Zuschnitt unmittelbar an der Baustelle praktisch nicht möglich, da Spezialwerkzeug, wie Kreissägen, Schweißgeräte oder dergleichen erforderlich sind, um die Treppe bzw. Seitenholme herstellen zu können.In addition, cutting directly at the construction site is practically not possible since special tools such as circular saws, welding equipment or the like are required in order to be able to produce the stairs or side rails.

Die Aufgabe der Erfindung ist es daher, einen Seitenholm der gattungsgemäßen Art so zu gestalten, daß er mit einfachsten Mitteln kostengünstig herstell- und montierbar ist.The object of the invention is therefore to design a side rail of the generic type in such a way that it can be manufactured and assembled inexpensively using the simplest means.

Diese Aufgabe wird erfindungsgemäß durch die im kennzeichnenden Teil des Anspruchs 1 genannten Merkmale gelöst.This object is achieved by the features mentioned in the characterizing part of claim 1.

Durch diese konstruktiven Maßnahmen ist ein Abschrägen der Stirnseiten des Seitenholmes nun nicht mehr erforderlich, so daß ein einfaches Ablängen auf die entsprechende Baulänge ausreicht.These design measures mean that it is no longer necessary to bevel the end faces of the side rail, so that simple cutting to the appropriate length is sufficient.

Die einen Fuß bildende Auflage des Seitenholmes, die im Funktionsfall auf dem Boden aufliegt, wird nun durch das Endstück gebildet, dessen eine Seite eine Auflagefläche bildet, mit der der Seitenholm auf dem Boden aufliegt. In diesem Fall ist diese Auflagefläche horizontal ausgerichtet.The footrest of the side rail, which rests on the floor in the functional case, is now formed by the end piece, one side of which forms a support surface with which the side rail rests on the floor. In this case, this contact surface is aligned horizontally.

Wenn hingegen das Endstück an der gegenüberliegenden Seite des Seitenholmes befestigt ist und so eine Verbindung zu einer horizontalen Plattform herstellt, an der es gleichfalls festgelegt ist, ist die Auflagefläche an der die Plattform anliegt, vertikal ausgerichtet.On the other hand, if the end piece is attached to the opposite side of the side rail and thus a connection to a horizontal platform on which it is also fixed, the support surface on which the platform rests is vertically aligned.

Die weitere Maßnahme der Erfindung, nach der die Innenkammern des aus einem Profilrohr gebildeten Seitenholmes mit sich in Längsachsrichtung erstreckenden Schraubkanälen versehen sind, bietet den Vorteil, daß das Endstück am Seitenholm angeschraubt werden kann, wobei die Schraubkanäle die Mutterteile für Schrauben bilden die andererseits durch den zugeordneten Schenkel des Endstückes geführt sind und sich dort abstützen.The further measure of the invention, according to which the inner chambers of the side spar formed from a profile tube are provided with screw channels extending in the longitudinal axis direction, offers the advantage that the end piece can be screwed onto the side bar, the screw channels forming the nut parts for screws which, on the other hand, are provided by the associated leg of the end piece are guided and supported there.

Ein vorteilhafter Gedanke der Erfindung sieht vor, daß die Durchgangsöffnungen im Schenkel des Endstückes, durch die die Schrauben geführt sind, nach Art eines Schlüsselloches geformt sind.
Dadurch besteht die Möglichkeit, die Schrauben vorzumontieren. Das heißt, bereits vor dem Festklemmen des Endstückes in den Seitenholm bzw. die Schraubkanäle einzudrehen.An advantageous idea of the invention provides that the through openings in the leg of the end piece, through which the screws are guided, are shaped in the manner of a keyhole.
This enables the screws to be pre-assembled. This means screwing into the side rail or screw channels before the end piece is clamped.

Bei Verwendung des Endstückes als Verbindungsteil zwischen der Plattform und dem Seitenholm sind zweckmäßigerweise beide Anlageschenkel mit entsprechenden, die Schrauben aufnehmenden Öffnungen versehen, wobei durchaus ein Schenkel mit runden Durchgangslöchern versehen sein kann, während die Öffnungen des anderen Schenkels in der genannten Art schlüssellochförmig ausgebildet sind.When using the end piece as a connecting part between the platform and the side rail, both contact legs are expediently provided with corresponding, screw-receiving openings, whereby one leg can be provided with round through holes, while the openings of the other leg are keyhole-shaped in the manner mentioned.

Auch bei Verwendung des Endstückes als Fuß des Seitenholmes können Öffnungen vorgesehen sein, mit denen das Endstück am Boden verankert wird, so daß die Treppe einen festen Halt hat.Even when using the end piece as the foot of the side rail openings can be provided with which the End piece is anchored to the floor so that the stairs have a firm hold.

Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen gekennzeichnet.Further advantageous embodiments of the invention are characterized in the subclaims.

Ausführungsbeispiele der Erfindung werden nachfolgend anhand der beigefügten Zeichnungen beschrieben.Embodiments of the invention are described below with reference to the accompanying drawings.

Es zeigen:

Fig. 1
eine mit erfindungsgemäßen Seitenholmen versehene Treppe in einer Seitenansicht,
Fig. 2
eine Einzelheit der Treppe im Fußbereich in perspektivischer Darstellung,
Fig. 3
eine Einzelheit der Treppe im Kopfbereich eines Seitenholmes gleichfalls in perspekttivischer Explosivdarstellung,
Fig. 4
die Einzelheiten nach der Figur 3 in einer Seitenansicht.
Show it:
Fig. 1
a staircase provided with side rails according to the invention in a side view,
Fig. 2
a detail of the stairs in the foot area in perspective,
Fig. 3
a detail of the stairs in the head area of a side rail also in a perspective exploded view,
Fig. 4
the details of Figure 3 in a side view.

In an sich bekannter Weise besteht eine in der Figur 1 dargestellte Treppe aus zwei mit Abstand parallel zueinander verlaufenden Seitenholmen 1, an deren Oberseite ein Geländer 11 befestigt ist, wobei zwischen den Seitenholmen 1 eine Vielzahl von Stufen 4 angeordnet sind. Im Kopfbereich der Treppe, an den Seitenholmen 1 angeschlossen, ist eine Plattform 3 vorgesehen, deren äußerer Rahmen beispielsweise aus Profilrohren 12 gebildet sein kann und deren Trittfläche aus Gitterrosten bestehen kann.In a manner known per se, a staircase shown in FIG. 1 consists of two spaced-apart side rails 1, on the top of which a railing 11 is fastened, a plurality of steps 4 being arranged between the side rails 1. In the head region of the stairs, connected to the side rails 1, a platform 3 is provided, the outer frame of which can be formed, for example, from profile tubes 12 and the tread surface can consist of gratings.

Sowohl auf seiner der Plattform 3 zugewandten Stirnseite als auch auf der den Fußbereich bildenden, ist jeder Seitenholm 1 mit einem Endstück 2 versehen, dessen mit dem Seitenholm 1 fluchtende Grundfläche etwa dreieckförmig gestaltet ist.Both on its end face facing the platform 3 and on the one forming the foot area, each side rail 1 is provided with an end piece 2, the base surface of which is flush with the side rail 1 and is approximately triangular in shape.

Auf seiner gemeinsam mit dem Seitenholm 1 gebildeten Außenfläche ist dieses Endstück 2 geschlossen, während die die Seiten begrenzenden Schenkel in ihrer Breite etwa der Dicke des Seitenholmes 1 entsprechen.On its outer surface formed together with the side rail 1, this end piece 2 is closed, while the legs delimiting the sides correspond approximately in width to the thickness of the side rail 1.

Der dem Seitenholm 1 zugewandte und der diesem gegenüberliegende Schenkel des Endstückes 2 sind mit Durchgangsöffnungen 7 versehen, die im vorliegenden Ausführungsbeispiel schlüssellochförmig gestaltet sind.
Dabei erstreckt sich der schmalere Teil der Durchgangsöffnungen 7 in Richtung der Beanspruchung, so daß ein fester Halt durch die Durchgangsöffnungen 7 durchtretenden, in Schraubkanälen 5 des Seitenholmes 1 festgeschraubten Schrauben 6 fest gegeben ist.The leg of the end piece 2 facing the side spar 1 and opposite it are provided with through-openings 7, which are keyhole-shaped in the present exemplary embodiment.
The narrower part of the through openings 7 extends in the direction of the stress, so that a firm hold by the through openings 7 passing through, screwed into screw channels 5 of the side rail 1 screws 6 is given.

Vorzugsweise sind die Schrauben 6 als Innensechskantschrauben mit einem Zylinderkopf ausgebildet, die als Dehnschrauben gestaltet sind. Bei montiertem Endstück 2 stützen sich die Dehnschrauben an der Innenseite des zugeordneten Schenkels ab, wobei sie das Endstück 2 an die Stirnseite des Seitenholmes 1 anpressen.The screws 6 are preferably designed as hexagon socket screws with a cylinder head, which are designed as expansion screws. When the end piece 2 is mounted, the expansion screws are supported on the inside of the associated leg, pressing the end piece 2 against the end face of the side rail 1.

Wie in den Figuren 1 und 2 deutlich zu sehen ist, ist eine Auflagefläche 8 des den Fußteil des Seitenholmes 1 bildenden Endstückes horizontal ausgerichtet, während die entsprechende Auflagefläche des den Kopfteil bildenden Endstückes 2 vertikal gerichtet ist, wobei diese Auflagefläche 8 an der Plattform 3 bzw. dem Profilrohr 12 anliegt und damit gleichfalls mittels Schrauben 6 verschraubt ist. Zweckmäßigerweise ist auch das Profilrohr 12 mit Schraubkanälen versehen, in die die Schrauben 6 eingedreht sind, wobei die Schrauben 6 ein selbstschneidendes Gewinde aufweisen können.As can be clearly seen in FIGS. 1 and 2, a bearing surface 8 of the end piece forming the foot part of the side rail 1 is oriented horizontally, while the corresponding bearing surface of the end piece 2 forming the head part is directed vertically, this bearing surface 8 rests on the platform 3 or the profile tube 12 and is thus also screwed by means of screws 6. The profile tube 12 is expediently also provided with screw channels into which the screws 6 are screwed, the screws 6 being able to have a self-tapping thread.

Etwa im Mittenbereich der offenen, den Stufen 4 zugewandten Seite ist in dem Endstück 2 ein mit Innengewinde versehenes Auge 9 vorgesehen.Approximately in the middle region of the open side facing the steps 4, an eye 9 provided with an internal thread is provided in the end piece 2.

Wie die Figuren 3 und 4 zeigen, ist an diesem Auge 9 ein Seitenblech 10 angeschraubt, das überdies mit dem Seitenholm 1 und dem Profilrohr 12 verbunden ist. Dieses Seitenblech 10 bildet den seitlichen Abschluß und das Tragelement für die Stufe 4, die im Kopfbereich der Treppe den Übergang zwischen den Seitenholmen 1 und der Plattform 3 darstellt.As FIGS. 3 and 4 show, a side plate 10 is screwed onto this eye 9 and is also connected to the side rail 1 and the profile tube 12. This side plate 10 forms the side closure and the support element for step 4, which represents the transition between the side rails 1 and the platform 3 in the head region of the stairs.

Im übrigen dienen die Seitenbleche 10 der Festlegung der Stufen 4 an den Seitenholmen 1, wie in der Figur 2 dargestellt.Otherwise, the side plates 10 serve to fix the steps 4 on the side rails 1, as shown in FIG.

Die Endstücke 2 für den Kopfbereich und den Fußbereich eines Seitenholmes 1 sind gleich gestaltet, so daß sie untereinander austauschbar sind, wobei das Endstück 2 zweckmäßigerweise ein gleichschenkliges Dreieck bildet, dessen Verbindungsschenkel so gestaltet ist, daß er zu beiden angrenzenden Schenkeln im rechten Winkel steht.The end pieces 2 for the head area and the foot area of a side rail 1 are designed the same so that they are interchangeable, the end piece 2 expediently forming an isosceles triangle, the connecting leg of which is designed such that it is at right angles to both adjacent legs.

BezugszeichenlisteReference list

11
SeitenholmSide rail
22nd
EndstückTail
33rd
Plattformplatform
44th
Stufestep
55
SchraubkanalScrew channel
66
Schraubescrew
77
DurchgangsöffnungThrough opening
88th
AuflageflächeContact surface
99
Augeeye
1010th
SeitenblechPage sheet
1111
Geländerrailing
1212th
ProfilrohrProfile tube

Claims (8)

  1. A side member consisting of light metal, for a staircase, having a plurality of inner chambers which extend in the longitudinal direction, characterised in that fixed to at least one end of the side member (1) is an end portion (2) whose base surface which is aligned with the side member (1) is of an approximately triangular configuration, wherein one side of the end portion (2) in the position of use of the side member (1) forms a horizontally or vertically oriented contact surface (8), and that provided in the inner chambers of the side member are screw passages (5) into which are screwed screws (6) which pass through the end portion (2).
  2. A side member according to claim 1, characterised in that the limbs of the end portion (2) which extend around same correspond in respect of their height to the thickness of the side member (1).
  3. A side member according to claim 1 or claim 2 characterised in that a base surface of the end portion (2) is closed.
  4. A side member according to claim 1 or claim 2 characterised in that at least the limb which is towards the side member is provided with through openings (7) through which the screws (6) are passed and which are of a keyhole shape.
  5. A side member according to claim 1 or claim 2 characterised in that an eye (9) is provided approximately in the central region of the end portion (2) on the closed base surface.
  6. A side member according to one of claims 1 to 5 characterised in that the limb of the end portion (2), which forms the contact surface (8), is also provided with through openings (7).
  7. A side member according to one of claims 1 to 6 characterised in that the limb of the end portion (2), which is towards the side member (1), and the limb which forms the contact surface (8), are of the same length, wherein the third limb which connects said two limbs together is arranged at a right angle to the respective other limb to which it is connected.
  8. A side member according to claim 1 characterised in that the screws (6) are in the form of necked-down screws.
EP92107782A 1991-06-06 1992-05-08 Light metal side transom for a staircase Expired - Lifetime EP0516999B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9106940U DE9106940U1 (en) 1991-06-06 1991-06-06 Side rail made of light metal for a staircase
DE9106940U 1991-06-06

Publications (2)

Publication Number Publication Date
EP0516999A1 EP0516999A1 (en) 1992-12-09
EP0516999B1 true EP0516999B1 (en) 1994-10-26

Family

ID=6868014

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92107782A Expired - Lifetime EP0516999B1 (en) 1991-06-06 1992-05-08 Light metal side transom for a staircase

Country Status (4)

Country Link
EP (1) EP0516999B1 (en)
AT (1) ATE113334T1 (en)
DE (2) DE9106940U1 (en)
ES (1) ES2064134T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107587672A (en) * 2017-09-21 2018-01-16 钱月珍 Convertible architectural stair

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4244980B4 (en) * 1992-02-27 2006-01-12 SCHÜCO International KG balcony
DK171750B1 (en) * 1994-12-07 1997-05-05 Pf Management Aps Platform-type staircase or ladder step

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL149564B (en) * 1967-08-25 1976-05-17 Robot B V METAL PIVOT STITCH STAIRS.
DE2053100A1 (en) * 1970-10-29 1972-06-22 Betonwerk München Schiedel-Kamin, 8000 München Multi-part component assembled using profile pieces
BE760720A (en) * 1970-12-22 1971-05-27 Loix Gilbert PREFABRICATED METAL STAIRCASE.
DE2107293A1 (en) * 1971-02-16 1972-08-31 Hemmen, Albrecht, 8729 Krum Corner connection
US3866364A (en) * 1973-05-10 1975-02-18 Int Product Dev Inc Modular structure for use in merchandising operations
US3879017A (en) * 1973-06-19 1975-04-22 W T Ind Inc Balcony railing assemblies of extruded metal
CA1145110A (en) * 1981-03-30 1983-04-26 Nicholas M. Stathopoulos Modular staircase assembly
FR2540923A1 (en) * 1983-02-11 1984-08-17 Escarmor Sa MODULAR STAIRCASE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107587672A (en) * 2017-09-21 2018-01-16 钱月珍 Convertible architectural stair
CN107587672B (en) * 2017-09-21 2020-07-03 董鸿 Turnover type building stair

Also Published As

Publication number Publication date
ATE113334T1 (en) 1994-11-15
DE59200681D1 (en) 1994-12-01
EP0516999A1 (en) 1992-12-09
DE9106940U1 (en) 1991-07-25
ES2064134T3 (en) 1995-01-16

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