US3910002A - Location means for rafter on columns - Google Patents

Location means for rafter on columns Download PDF

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Publication number
US3910002A
US3910002A US399443A US39944373A US3910002A US 3910002 A US3910002 A US 3910002A US 399443 A US399443 A US 399443A US 39944373 A US39944373 A US 39944373A US 3910002 A US3910002 A US 3910002A
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US
United States
Prior art keywords
rafter
column
lug
bolt
securing
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Expired - Lifetime
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US399443A
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English (en)
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David Royle Lough
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Individual
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Individual
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    • 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
    • E04B1/34—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability
    • E04B1/3416—Structures comprising mainly a central support column and a cantilevered roof
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/38—Arched girders or portal frames
    • E04C3/44—Arched girders or portal frames of concrete or other stone-like material, e.g. with reinforcements or tensioning members

Definitions

  • E04B 1/00 Means for locatmg and Securmg rafters defined by at [58] Field of Search 0 52/272 251 252, 721, least two similar units on and relative to columns serv- 52/722 283 583, 726, 250 260 289 263 ing to support an end of the rafter provided with a first 52/712 714 & locatlon means between the column top and the end of the first of the rafter units and a second location [56] References Cited means between the column side and a plate extending laterally of and into the joint between the similar units UNITED STATES PATENTS in which the first and second location means also l,89l,597 .lagdmann serve as a means for ecuring the rafter units to the 2,569,669 10/1951 Henderson... 52/283 column 3,074,209 l/1963 Henderson... 52/252 X 3,372,518 3/1968 Rensch 52/263 X 2 Claims, 2 Drawing Figures US. Patent 00
  • This invention relates to location means for or as between rafters or beams for buildings and upright columns for supporting such rafters, which location means mayalso serve as securement means therebetween.
  • this invention relates to the location and to the location and securing of composite .raf-
  • temq composite rafters By the temq composite rafters is meant rafters constructed of two or more units which may or may not be identical, which units are jointed or fastenedtogether to form a single rafter or beam of a lengthdetermined by the number of such unitsused'in the construction of such a rafter.
  • The'term rafter as used herein is to be taken-asa reference to a composite rafter.
  • 'lt is'an object of this invention to provide positive means for the location and securing of the distal ends of rafters to the upper ends of columns designed to sup port such rafters.
  • Such an'arrangement hasthe difficulty that it is necessary"'for theho'les tobe'aligned and once'alig'ned to maintain alignment'while the bolt is slid through the holes. Difficulties can arise in ende'avoring to keep the holes aligned for 'a sufficient length of time forthe bolt to be passed through the holes.
  • a means for locating and securing rafters on and to columns adapted to support an end of such a rafter including of the projection of oronthe, rafter is such that with, the rafterresting on top of the column, the projection and hole in the lug may be. aligned.
  • the lug may be an upstanding abutment formedintegrally with the column or. may be a separate integer cast into, the column with that portion in which thehole is located extending from the column.
  • the projection may be formed by an extension of a reinforcing tendon or a pin cast into the rafter or a pin rod, shaft, or bolt welded to or formed integrally with) thereinforcing tendon end plate at the butt end of the rafter.
  • This arrangement forms a suit-- able first locationmeans between the .top
  • a second projection Projecting from andformed or formed integrally with or cast into the column and being substantially parallel to the axis of the rafter (whenthe latter is in position), may be provided a second projection adapted to bereceived in a hole provided in a lug-formed integrally with a plate secured to said rafter and between adjacent units composing the rafter.
  • the arrangement described in this paragraph forms a suitable second location means between the side of the column and the plate secured between adjacent units of the rafter;
  • the second projection being that projectingfrom the column, may be inthe fo'rmofa bolt, a'pin or an extension of a reinforcing tendon on the'column.
  • the projections (one extendingfrom the end of the beam andtheother from the column) may be disposed with their axes at an oblique angle to the axis of the rafter.
  • the projections are formed from a metal (which, while usefully maybe a suitable alloy or aluminum or of bronze is preferably steel), the distal ends thereof may be screw threaded to threadly receive a nutor may be slotted to receivea wedge so as to'be capable of securing the end of the rafter to thecolumn.
  • a metal which, while usefully maybe a suitable alloy or aluminum or of bronze is preferably steel
  • the distal ends thereof may be screw threaded to threadly receive a nutor may be slotted to receivea wedge so as to'be capable of securing the end of the rafter to thecolumn.
  • two p rojections' may be bonded by a suitable known indu'strial bonding material or welded to their respective lugs or may be deformed in a rivet-like manner to achieve securement of the rafter to the top of the column;
  • the projections by their co-operation with their respective lugs 'rnay merely serve to locate the rafter in relation to the'beam and separate securing means may be used, for example a bolt or bolts passing through aligned holes in therafter and column or straps spectively, either the column or rafter.
  • Another operable arrangement would be a three sided abutment or socket located on either or both the rafter or column and adapted to receive a complementary portion. of respectively, the columnor rafter.
  • FIG. 1 shows a perspective view of a unit for use in forming therafters
  • FIG. 2 shows a side elevation of one aspect of this invention.
  • the column generally indicated by arrow 1 is composed of a desired number of standard units 2 (as shown in FIG. 1).
  • the rafter is composed of a series of unit 2 which, with suitable stressing form the rafter 7.
  • lug unit 8 Extending from and cast into the lateral portion 6, towards the base section 5 of the knee joint is a lug unit 8, that portion of which extending from the lateral portion 6 forming the lug itself which is indicated at numeral 9.
  • a bolt 12 Secured to end plate 711 of the rafter (to which the ends of the reinforcing tendons of the rafter may be secured) is a bolt 12 whose axis is parallel to the axis of the rafter 2 and whose positioning is such that with the rafter 7 resting on the lateral portion 6, the bolt 12 is aligned so as to be accommodated within a suitable hole provided in the lug 9.
  • the distance of the lug 9 from the end 10 of the lateral portion 6 is, in this described form of the invention, commensurate with the length of one unit 2 such that a plate 13 may be bonded between the last two units 2 and thus stressed into the rafter, so as to provide a lug 14 extending laterally from the rafter 7.
  • a hole may be provided in lug 14 adapted to have accommodated therewithin the end of the bolt 11.
  • the rafter 7 may be formed as an inverted V, each end of which is adapted to be secured to the column of the type shown in FIG. 2.
  • the rafter. usually with a supporting cradle is lifted by a crane to a position such that the ends of the rafter are positioned immediately above the lateral portion 6 of the rafters two supporting columns.
  • FIG. 2 shows a Y form to the top of the column 1 for supporting rafters in the center of a large building. Where the column 1 is on the outside of the building, integers 2a, 3a, 4a, 5a and 8a will not, of course, be there and the profile of the column will follow the broken line 15.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Rod-Shaped Construction Members (AREA)
US399443A 1972-09-21 1973-09-21 Location means for rafter on columns Expired - Lifetime US3910002A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ16845772 1972-09-21

Publications (1)

Publication Number Publication Date
US3910002A true US3910002A (en) 1975-10-07

Family

ID=19916925

Family Applications (1)

Application Number Title Priority Date Filing Date
US399443A Expired - Lifetime US3910002A (en) 1972-09-21 1973-09-21 Location means for rafter on columns

Country Status (9)

Country Link
US (1) US3910002A (xx)
BE (1) BE805085A (xx)
CA (1) CA991818A (xx)
DE (1) DE2346882A1 (xx)
FR (1) FR2200421B3 (xx)
GB (1) GB1436410A (xx)
IT (1) IT997296B (xx)
NL (1) NL7312601A (xx)
ZA (1) ZA737201B (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5267420A (en) * 1991-04-05 1993-12-07 Sam Segman Building construction
US5893535A (en) * 1997-06-19 1999-04-13 Mcdonnell Douglas Corporation Rib for blended wing-body aircraft

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1891597A (en) * 1926-11-05 1932-12-20 Karl E W Jagdmann Building block and the construction of floors and the like
US2569669A (en) * 1946-02-27 1951-10-02 Peoples First Nat Bank & Trust Beam connection for precast concrete members
US3074209A (en) * 1957-09-17 1963-01-22 Cemenstone Corp Precast reinforced concrete construction
US3372518A (en) * 1962-09-22 1968-03-12 Rensch Eberhard Structural unit and structure incorporating same
US3389525A (en) * 1967-02-23 1968-06-25 Moody Willard Bruce Prefabricated wall nail-tie assembly
US3513610A (en) * 1966-02-26 1970-05-26 Trent Concrete Ltd Concrete structural member,framework structure,and casting method
US3665665A (en) * 1970-02-09 1972-05-30 Guiraudie & Auffeve Ets Assembly of concrete support elements
US3721056A (en) * 1970-09-03 1973-03-20 Warner Vertical modular construction having insertable units

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1891597A (en) * 1926-11-05 1932-12-20 Karl E W Jagdmann Building block and the construction of floors and the like
US2569669A (en) * 1946-02-27 1951-10-02 Peoples First Nat Bank & Trust Beam connection for precast concrete members
US3074209A (en) * 1957-09-17 1963-01-22 Cemenstone Corp Precast reinforced concrete construction
US3372518A (en) * 1962-09-22 1968-03-12 Rensch Eberhard Structural unit and structure incorporating same
US3513610A (en) * 1966-02-26 1970-05-26 Trent Concrete Ltd Concrete structural member,framework structure,and casting method
US3389525A (en) * 1967-02-23 1968-06-25 Moody Willard Bruce Prefabricated wall nail-tie assembly
US3665665A (en) * 1970-02-09 1972-05-30 Guiraudie & Auffeve Ets Assembly of concrete support elements
US3721056A (en) * 1970-09-03 1973-03-20 Warner Vertical modular construction having insertable units

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5267420A (en) * 1991-04-05 1993-12-07 Sam Segman Building construction
US5893535A (en) * 1997-06-19 1999-04-13 Mcdonnell Douglas Corporation Rib for blended wing-body aircraft

Also Published As

Publication number Publication date
CA991818A (en) 1976-06-29
FR2200421A1 (xx) 1974-04-19
FR2200421B3 (xx) 1976-08-20
BE805085A (fr) 1974-01-16
IT997296B (it) 1975-12-30
DE2346882A1 (de) 1974-03-28
AU6021273A (en) 1975-03-13
NL7312601A (xx) 1974-03-25
ZA737201B (en) 1974-08-28
GB1436410A (en) 1976-05-19

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