EP0361979A1 - Gitterträger - Google Patents

Gitterträger Download PDF

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Publication number
EP0361979A1
EP0361979A1 EP89310023A EP89310023A EP0361979A1 EP 0361979 A1 EP0361979 A1 EP 0361979A1 EP 89310023 A EP89310023 A EP 89310023A EP 89310023 A EP89310023 A EP 89310023A EP 0361979 A1 EP0361979 A1 EP 0361979A1
Authority
EP
European Patent Office
Prior art keywords
timber
lengths
junction point
roughened
clamping member
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
EP89310023A
Other languages
English (en)
French (fr)
Other versions
EP0361979B1 (de
Inventor
Arthur Quarmby
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 EP0361979A1 publication Critical patent/EP0361979A1/de
Application granted granted Critical
Publication of EP0361979B1 publication Critical patent/EP0361979B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E04B1/2604—Connections specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/12—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members
    • E04C3/17—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members with non-parallel upper and lower edges, e.g. roof trusses
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E04B1/2604—Connections specially adapted therefor
    • E04B2001/2644—Brackets, gussets or joining plates

Definitions

  • Figures 1 and 2 show the junction point between four timber lengths defining the rafters 1 and 2 and the struts 3 and 4 of the roof truss 5.
  • One of a pair of Gangnail plates 6 used during factory prefabrication of the truss 5 to secure the timber lengths together at the illustrated junction point is reinforced by a device 7 consisting of a pair of generally U-shaped clamping members 8 and three bolts 9.
  • Each clamping member 8 has a clamp face 10 exhibiting spaced-apart areas 11 which are roughened with an array of projections 12, the bolts 9 passing through clearance holes located between the timber lengths.
  • projections 12 have been shown in only one area 11 in Figure 1 but all four areas of each member 8 are provided with such projections.
  • Figures 8 to 12 show modified devices which include two parts in each clamping member 8, the first part being provided with teeth for biting into the timber lengths and the second part being a pure squeeze device which presses the teeth on the respective first part into the timber length(s).
  • a full U-shaped construction with four bolts 29 as shown in Figure 10 is preferred, but it is possible to use L-shaped units with just two bolts 29 to clamp the plates 20 into the timber lengths. L-shaped units would terminate where shown dotted at 30 in Figure 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Rod-Shaped Construction Members (AREA)
EP19890310023 1988-09-30 1989-09-29 Gitterträger Expired - Lifetime EP0361979B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888822973A GB8822973D0 (en) 1988-09-30 1988-09-30 Improvements relating to roof trusses
GB8822973 1988-09-30

Publications (2)

Publication Number Publication Date
EP0361979A1 true EP0361979A1 (de) 1990-04-04
EP0361979B1 EP0361979B1 (de) 1993-01-20

Family

ID=10644519

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890310023 Expired - Lifetime EP0361979B1 (de) 1988-09-30 1989-09-29 Gitterträger

Country Status (3)

Country Link
EP (1) EP0361979B1 (de)
DE (1) DE68904512D1 (de)
GB (1) GB8822973D0 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0970282A1 (de) * 1997-03-21 2000-01-12 Dietrich Industries, Inc. Firstverbindungsstück für dachwerksträger

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE432340A (de) *
NL1146C (nl) * 1911-12-16 1916-04-15 Stephan Philipp Knooppuntsverbinding voor houten vakwerken
US2255270A (en) * 1940-06-19 1941-09-09 Charles C Pimm Pole splice clamp
US2365501A (en) * 1942-07-13 1944-12-19 Builders Safety Products Inc Builder's safety plate bracket unit
US3172125A (en) * 1962-10-03 1965-03-09 Sanford Ind Inc Truss fabricating apparatus
GB1099472A (en) * 1965-03-11 1968-01-17 Timber Res And Dev Ass Joints between timber structural members
DE2940809A1 (de) * 1979-10-09 1981-04-23 Heinrich Dipl.-Ing. Sion Stövhase Knotenblech fuer holzgitterkonstruktionen zur herstellung von hallenartigen bauten

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE432340A (de) *
NL1146C (nl) * 1911-12-16 1916-04-15 Stephan Philipp Knooppuntsverbinding voor houten vakwerken
US2255270A (en) * 1940-06-19 1941-09-09 Charles C Pimm Pole splice clamp
US2365501A (en) * 1942-07-13 1944-12-19 Builders Safety Products Inc Builder's safety plate bracket unit
US3172125A (en) * 1962-10-03 1965-03-09 Sanford Ind Inc Truss fabricating apparatus
GB1099472A (en) * 1965-03-11 1968-01-17 Timber Res And Dev Ass Joints between timber structural members
DE2940809A1 (de) * 1979-10-09 1981-04-23 Heinrich Dipl.-Ing. Sion Stövhase Knotenblech fuer holzgitterkonstruktionen zur herstellung von hallenartigen bauten

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0970282A1 (de) * 1997-03-21 2000-01-12 Dietrich Industries, Inc. Firstverbindungsstück für dachwerksträger
EP0970282A4 (de) * 1997-03-21 2001-02-21 Dietrich Ind Inc Firstverbindungsstück für dachwerksträger

Also Published As

Publication number Publication date
GB8822973D0 (en) 1988-11-09
DE68904512D1 (de) 1993-03-04
EP0361979B1 (de) 1993-01-20

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