EP0692591B1 - Gerüst - Google Patents

Gerüst Download PDF

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Publication number
EP0692591B1
EP0692591B1 EP19950304473 EP95304473A EP0692591B1 EP 0692591 B1 EP0692591 B1 EP 0692591B1 EP 19950304473 EP19950304473 EP 19950304473 EP 95304473 A EP95304473 A EP 95304473A EP 0692591 B1 EP0692591 B1 EP 0692591B1
Authority
EP
European Patent Office
Prior art keywords
brace
telescopic
frame
mounting point
frame unit
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
EP19950304473
Other languages
English (en)
French (fr)
Other versions
EP0692591A1 (de
Inventor
Dyfrig Thomas
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0692591A1 publication Critical patent/EP0692591A1/de
Application granted granted Critical
Publication of EP0692591B1 publication Critical patent/EP0692591B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/16—Struts or stiffening rods, e.g. diagonal rods
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/14—Comprising essentially pre-assembled two-dimensional frame-like elements, e.g. of rods in L- or H-shape, with or without bracing

Definitions

  • the present invention relates to a scaffolding frame unit including a telescopic brace.
  • the present invention provides a scaffolding frame unit adapted to fit together with further similar units comprising a frame, first and second mounting points fixed to the frame, and a telescopic brace pivotally connected at one end to the first mounting point; wherein the telescopic brace has a coupling at its free end adapted for releasably coupling to either the second mounting point of the frame unit or a second mounting point of a further similar frame unit; and wherein the brace comprises an inner tube and an outer tube which are releasably lockable against telescopic movement by rotation of one tube relative to the other when the brace is in an extended position.
  • an access tower is assembled from a plurality of scaffolding frame units 2.
  • Each scaffolding frame unit 2 comprises a generally rectangular frame 4 formed of two parallel vertical tubular side pieces 6 and two parallel horizontal cross-pieces 8 welded between the side pieces within the length of the side pieces. As a result, the side pieces 6 extend beyond the internal corners of the rectangular frame to provide external corners 10. In each external corner, a mounting point is fixed to the frame.
  • Each mounting point comprises a rod or pin 14 mounted between opposing side supports 16 (only one side support of each mounting point is shown in Figure 1). Typically the mounting points will be welded in place.
  • each scaffolding frame unit also comprises a vertical cross-bar 18.
  • the access tower is assembled by connecting a scaffolding frame unit perpendicularly to adjacent scaffolding frame units using internal spigot joints.
  • Figure 1 shows, face on, a scaffolding frame unit A which is connected to an identical scaffolding frame unit B; unit B being shown edge on since it lies at right angles to unit A.
  • Each scaffolding frame unit is also provided with a telescopic brace as described below.
  • the access tower is stabilised using the telescopic braces.
  • a telescopic brace 20 is pivotally connected at one end to a mounting point 22 fixed to the scaffolding frame unit located above unit B.
  • the brace is extended to releasably couple, at its other end, a mounting point 24 fixed to unit A and located diagonally opposite mounting point 22.
  • Unit A also has a telescopic brace 26 pivotally connected at one end to a mounting point 28 fixed to unit A.
  • This brace is shown in Figure 1 in its unextended position in which it is releasably coupled, at its other end, to a mounting point 30, also fixed to unit A.
  • the telescopic brace is thus stowed for storage and transport.
  • the telescopic brace is extended to releasably couple a mounting point 32 located diagonally opposite mounting point 30, in the same way as telescopic brace 20.
  • Telescopic braces are similarly provided on other faces of the access tower.
  • unit B has a telescopic brace releasably coupled to a mounting point located in its upper right-hand corner, and another telescopic brace pivotally connected to a mounting point located in its lower left-hand corner (these braces are not shown in the figures).
  • each telescopic brace comprises an inner tube 34 and an outer tube 36. Attached to the free end of outer tube 36 is a coupling 38 which latches onto a pin 14 of a mounting point to couple the telescopic brace to a frame unit.
  • coupling 38 is shown for simplicity as a basic hook; in practice, the coupling will be a releasable coupling incorporating a latch.
  • One end of inner tube 34 is provided with an aperture 40 through which a pin 14 is inserted to pivotally connect the telescopic brace to a frame unit.
  • the brace is thus permanently fixed to its frame unit.
  • the other end of the inner tube which is located inside the outer tube, has a stopper 46 fixed thereto.
  • the inner tube also has an elongate slot 42 extending along its length.
  • Stopper 46 as shown more clearly in Figure 4, comprises an outer rim 52, an inner rim 54, and a cylindrical groove 44 which separates the inner and outer rims.
  • the inner rim 54 is dimensioned to fit within inner tube 34 and is partly cut away to form a flat portion 50.
  • the outer tube carries a radially-extending pin 48. This pin is welded to the outer tube once the inner tube has been inserted therein. The pin is restricted for longitudinal movement in elongate slot 42: this controls the telescopic movement of the brace.
  • the outer tube can only rotate relative to the inner tube when the telescopic brace is in the extended position shown in Figure 3. This rotation is then permitted by pin 48 entering circumferential groove 44 from elongate slot 42, having passed over flat surface 50. Rotation of the outer tube relative to the inner tube thus locks the brace against telescopic movement. In Figure 3, the outer tube has been rotated 180° relative to the inner tube.
  • the outer rim 52 of stopper 46 prevents the pin from progressing any further than circumferential groove 44.
  • a user knows that rotation of the outer tube will releasably lock the brace against telescopic movement.
  • the inner tube is provided with more than one circumferential groove such that the brace can be releasably locked against telescopic movement at different extensions.
  • circumferential groove(s) may be formed in the inner tube itself rather than being provided in a separate element such as the stopper 46.
  • the lockable feature of the brace provides diagonal rigidity for access towers.
  • the inner tube is 800 mm long with a diameter of 38 mm.
  • the elongate slot 42 formed in the inner tube is 370 mm long and 14 mm wide.
  • the stopper 46 fixed to one end of the inner tube is 51 mm in length and 41 mm in diameter.
  • the outer tube is 1700 mm long with a diameter of 48 mm. It has an aperture, located 1300 mm from the end of the outer tube to which the coupling 38 is fixed, into which the pin 48 is inserted.
  • the pin is 25 mm long and has a diameter of 13 mm.
  • the brace is able to extend to a length of 2218 mm.
  • the inner tube may be a 10g alloy tube and the outer tube may be a 17g alloy tube; suitable alloy tubes being sold by British Alcan.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Ladders (AREA)

Claims (3)

  1. Gerüstrahmeneinheit (2), die angepaßt ist um mit weiteren ähnlichen Einheiten zusammenzupassen und einen Rahmen (4), erste und zweite Montagepunkte (22,24,28,30), die am Rahmen befestigt sind, und eine teleskopische Strebe (20,26) umfaßt, die an einem Ende drehbar mit dem ersten Montagepunkt verbunden ist; worin die teleskopische Strebe (20,26) an ihrem freien Ende eine Kupplung aufweist, die für lösbares Ankuppeln an den zweiten Montagepunkt der Rahmeneinheit oder an einen zweiten Montagepunkt einer weiteren, ähnlichen Rahmeneinheit angepaßt ist; und worin die Strebe (20,26) aus einem Innenrohr (34) und einem Außenrohr (36) besteht, die gegen teleskopische Bewegung durch Drehen eines Rohrs relativ zum anderen lösbar verriegelbar sind, wenn sich die Strebe in einer ausgefahrenen Position befindet.
  2. Teleskopische Strebe für eine Gerüstrahmeneinheit nach Anspruch 1, die ein Innenrohr (34) und ein Außenrohr (36) umfaßt, worin das Innenrohr (34) einen länglichen Schlitz (42)aufweist, der sich entlang seiner Länge erstreckt und mit einer Umfangsnut (44) verbunden ist; und worin das Außenrohr (36) einen Stift (48) trägt, der für Längsbewegung im länglichen Schlitz (42) beschränkt ist; die Rohre (34,36) sind gegen teleskopische Bewegung durch Drehen des Stiftes (48) in der Umfangsnut (44) lösbar verriegelbar.
  3. Eine Gerüstrahmeneinheit nach Anspruch 1, die einen allgemein rechtwinkligen Rahmen (4) umfaßt, der aus zwei parallelen rohrförmigen Seitenteilen (6) und zwei parallelen Querteilen (8) geformt ist, die zwischen den Seitenteilen innerhalb der Länge der Seitenteile so geschweißt sind, daß sich die Seitenteile (6) über die Innenecken des rechteckigen Rahmen (49) erstrecken, um Außenecken (10), vier am Rahmen befestigte Montagepunkte, einer in jeder der Außenecken, bereitstellen; die teleskopische Strebe (20,26) ist an einem Ende drehbar mit einem der Montagepunkte verbunden und die Kupplung ist für lösbares Ankuppeln an einen anderen Montagepunkt der Rahmeneinheit, wenn die Strebe eingefahren ist, und an einen Montagepunkt einer anderen, ähnlichen Rahmeneinheit, wenn die Strebe ausgefahren ist, adaptiert.
EP19950304473 1994-07-12 1995-06-26 Gerüst Expired - Lifetime EP0692591B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9414058 1994-07-12
GB9414058A GB2291457B (en) 1994-07-12 1994-07-12 Scaffolding

Publications (2)

Publication Number Publication Date
EP0692591A1 EP0692591A1 (de) 1996-01-17
EP0692591B1 true EP0692591B1 (de) 1997-12-17

Family

ID=10758219

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19950304473 Expired - Lifetime EP0692591B1 (de) 1994-07-12 1995-06-26 Gerüst

Country Status (3)

Country Link
EP (1) EP0692591B1 (de)
DE (1) DE69501233D1 (de)
GB (1) GB2291457B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2364344B (en) * 2001-04-28 2002-05-29 Lyndon Scaffolding Plc Scaffolding transom
GB2529224A (en) * 2014-08-14 2016-02-17 Philip Clarke Scafold adjuster
US20180119432A1 (en) * 2015-05-21 2018-05-03 Salita Ip Pty Ltd Scaffold unit

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1219706A (fr) * 1958-04-03 1960-05-19 Charpente de construction
US3105710A (en) * 1961-11-13 1963-10-01 Patent Scaffolding Co Inc Brace lock
US3367080A (en) * 1965-10-23 1968-02-06 Automatic Sprinkler Corp Adjustable cross brace
GB1212361A (en) * 1967-10-20 1970-11-18 Walter Kirkland Steel Ltd Improvements in or relating to trench braces
GB1507029A (en) * 1974-07-19 1978-04-12 Kwikform Ltd Scaffolding constructions
DE3141367A1 (de) * 1981-10-17 1983-04-28 Omega Gerüste und Baugeräte GmbH, 4600 Dortmund Laengenverstellbarer gerueststab
GB2193286B (en) * 1986-07-11 1990-05-30 Scaffolding Improvements in or relating to a frame for a falsework support system
EP0296916A1 (de) * 1987-06-11 1988-12-28 Gérard Saby Modulares Bauelement, insbesondere für Leitern oder Gerüste
DE3923815A1 (de) * 1989-07-19 1991-01-31 Beleggingsmaatschappij Bouwmat Geruest
GB9019211D0 (en) * 1990-08-31 1990-10-17 Leada Acrow Ltd Improvements in and relating to scaffolding structures

Also Published As

Publication number Publication date
GB2291457B (en) 1997-08-06
GB2291457A (en) 1996-01-24
GB9414058D0 (en) 1994-08-31
EP0692591A1 (de) 1996-01-17
DE69501233D1 (de) 1998-01-29

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