US1874572A - Trussed structure - Google Patents

Trussed structure Download PDF

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US1874572A
US1874572A US428939A US42893930A US1874572A US 1874572 A US1874572 A US 1874572A US 428939 A US428939 A US 428939A US 42893930 A US42893930 A US 42893930A US 1874572 A US1874572 A US 1874572A
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members
chord
web
extending
longitudinally
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Max A Montgomery
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/40Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of a number of smaller components rigidly or movably connected together, e.g. interlocking, hingedly connected of particular shape, e.g. not rectangular of variable shape or size, e.g. flexible or telescopic panels

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  • My invention relates to trussed' structures, which may be used as walls, but which are particularly adapted for use as ioors and/0r roofs in residential, office, commercial, and industrial buildings and the like.
  • my invention relates to 'cellular trussed structures preferably made of formed sheet or strip, metal, preferably steel.
  • floor structures include joist members spanning between and being supported at their ends on bearing members which may be bearing walls or may be beams or girders which in turn are supported at their ends upon other beams or girders or upon columns or bearing walls.
  • the joint members are laterally spaced from each other, and support upon their upper chords or flanges some form of oor- 0 ing or roofing, and may carry below their lower chords or lianges some form of ceiling.
  • the flooring used for such joists is usually some form of concrete slab usually laid upon metal lath supported by the joists, or may be wood flooring secured directly to the joists.
  • steel j oists are relatively diiicult to fabricate for variable spans and variable loadings, and the placement of steel joists with the accompanying flooringv in a building is relatively diiicult and usually requires specially skilled labor for any particular type of joi'st floor structure,
  • the complete l'loor including the joists and the ooring and the ceiling requires the assemblage of" materials usually 40 from two diiferent sources, since the manufacturers of joists rarely supply the necessary materials forthe liooringsand the ceiling.
  • the objects of the present improvements 5 include in general the provision of a cellular trussed structure including interlitting chord and web members, .for use primarily in buildings, and which may extend between and be supported by frame members of the building, and which may form preferably a o load sustaining partition between the frame members, such partition, when extending verincludes a plurality of interlocking and in- ,terlitting members, all of which are preferably made of sheet or strip material, preferably of steel, and which result in a completed floor structure having liooring above, ceiling below, and intertting and interlocking joist 55 members between the Iflooring and ceiling members, whereby the improved Hoor structure may be placed in a building by the use of relatively unskilled labor, and such door structures being adapted for variable spans and for variable loadings without necessitating excessive'y engineering and design cost.
  • FIG. 1 is a fragmentary top plan view of a floor structure embodying the present improvements
  • Fig. 2 a longitudinal sect1onal view thereof as on line 2-2, Fig. 1;
  • FIG. 4 an oblique view of another floor structure including a modified embodiment Fig. 5, an obli ue view of still another floor structure including a further modified embodiment of the present improvements.
  • each Apanel includes a plurality of side by side longitudinally4 and laterally extending chord wall members 12, longitudinally and transversely extending web wall members 13, and longitudinally extending angled panel side mem ers 14a and 146.
  • chord wall members 12 are l0- cated infan upper plane and determine a floor wall, and some of the chordwall members 12 are located in a lower plane and determine a ceiling wall, and the web wall members 13 extend angularly between the spaced chord wall members 12 and form with the s aced chord wall members 12, a plurality of side by side longitudinally. extending triangular cells 15.
  • chord wall members 12 are preferably made of formed sheet or strip material, whereby the floor wall is continuous across each panel, and likewise the ceiling wall is ⁇ continuous across each panel, and in certain classes of buildings such as industrial buildings, require no further covering.
  • a relatively7 shallow lay of Inaterial such as asphalt, linoleum, fibreboard, or the like, may be used to surface the floor wall, and/or ceiling wall.
  • the web wall members 13 may be made of formed sheet or stripmetal, as illustrated, or may be built up trussed joist structures when desired.
  • Each chord wall member 12 includes preferably at each side a longitudinally extending fla-nge 16; and the flanges 16 are angular to the web 17 of the chordwall member 12, and extending from one face thereof and towards each other, and each flange forming with the web a hook.
  • each web wall member 13 preferably includes a web 19 and a longitudinally extending yflange 20a at one side thereof, and a longitudinally extending flange 206 at the other side thereof,
  • the side members 14a and 146 are provided; and the side member 14a includes a lower ceiling web 21a having a longitudinally extending hook flange 22a at one side, and having a beam'web 23a at the other side thereof, and the outer side of the beam web is provided with a longitudinally extending abutment flange 24a.
  • the side member 146 includes a lower ceiling web 216 having a longitudinally extending flange 226 at one side, and having a beam web 236 at the other side thereof, and the outer side of the beam web is provided with a longitudinally extending abutment flange 246.
  • the side members 14a and 146 are provided for making a longitudinally extending rectangular panel.
  • each end member 25 has a laterally extending recess 26 formed therein into which the ends of the longitudinally extending members are fitted.
  • Each panel also preferably includes a plurality of laterally spaced tension members 27 arranged for applying a compression load on the longitudinally extending members, and as illustrated each tension member 27 is preferably in the form of a tie rod threaded at each end and extending through apertures in the end members 25, and each threaded end of each tie rod being provided with a nut 28 each nut abutting against the outer face of an end member, and, bein screwed against i the end member for app ying the desired ing through apertures in the members 13 and the beam webs 23a and 235 of the side members 14a and 146, and each threaded end of the tie rod is provided with a nut 31, each nut abutting and being screwed against the outer face of one of the panel side members.
  • a plurality of the panels may be utilized for making a floor of any desired area as illustrated in Figs. 1, 2, and 3, by the use of upper longitudinally extending filler members 32 and lower longitudinally extending filler members 33 positioned between the sides of adjacentpanels', and by the use of laterally extending ller members 34 positioned between the ends of adjacent panels.
  • F ig. d illustrates another iloor structure including a modified embodiment of the improvements, indicated generally at 110.
  • the structure 110 includes -a plurality of panels each indicated at 111 and each including a plurality of side by side longitudinally extending triangular tubular' members 112, each preferablyformed from sheet or strip metal and including a wall web 113 from the sides of which beam webs 114e and 114?) extend away from one face of the Wall web and towards each other and the outer sides of the beam webs are preferably provided, respectively, with longitudinally extending flanges 115e and 115 parallel with the wall web.
  • a plurality of wall members 116 each include at each side thereof a longitudinally extending snap flange 117 and the snap flanges of the wall members 116 make snap engagement between the apexes 118a and 1186, respectively; the apexes 118e and 1186 being formed by the outer sides of the beam webs 114e and 114?) and the flanges 115e and 1155.
  • Fig. illustrates another floor structure 210 including a further modified embodiment of the present improvements, and the structure 210 is similar to the structure 10,
  • A. cellular trussed structure including two sets of side by side longitudinally and laterally extendin chord members, one set of the chord mem ers determining one surface, and the other set of the chord members determining another surface transversely spaced from the first surface, web members extending longitudinally and transversely between the sets of chord members and formln with the chord members a plurality of si e by side, longitudinally extending triangular cells, some of the chord members and some of the web members each including a longitudinally extending angled flange at one side thereof, the angled flanges of the chord members interlitting and interlocking with the angled flanges of the web members, and means joining the other sides of the chord and web members with each other.
  • a cellular trussed structure including two sets of side by side longitudinally and laterally extendin chord members, one set of the chord mem ers determining one surface, and the other set of the chord members determining another surface transversely spaced from the first surface, web members extending longitudinally and transversely between the sets of chord members and formin with the chord members a plurality of s1 e by side longitudinally extending triangular cells, the chord members and the web members each including a longitudinally extending angled flange at each side thereof, and the angled flanges of the chord members interitting and interlocking with the angled flanges of the web members.
  • a cellular trussed structure including two sets of side by side longitudinally and laterally extending chord members, one set of the chord members determining one surface, and the other set of the chord members determining another surface transversely spaced from the first surface, web members extending longitudinally and transversely between the sets of chord members and forming with the chord members a plurality of side by side longitudinally extending triangular cells, some of the chord members and some of the web members each including a longitudinally extending angled flange at one side thereof, the angled flanges of the chord members intertting and interlocking with the angled flanges of the web members, and means joining the other sides of the chord and web members with each other, and end members for the structure, each of the end members having a recess formed therein, and the ends of the chord and web members extendingl into the recesses.
  • a cellular trussed structure includin' two sets of side by side longitudinally and laterally extendin chord members, one set of the chord mem ers determiningI one surface, and the other set of the chord members determining another surface transversely spaced from the first surface, web members extending longitudinall and transversely between the sets of chor members and formin with the chord members a plurality of si e by side longitudinally extending triangular cells the chord members and the web members each including a longitudinally extending an led flange at each side thereof, and the ang ed flanges of the chord members interfitting and interlocking with the an led flanges of the web members, and end mem ers for the structure, each of the end members having a recess formed therein, and the ends of the chord and web members extending into the recesses.
  • a cellular trussed structure includin two sets of side by side longitudinally and laterally extending chord members, one set of the ⁇ chord members determining one surface, and the other set of the chord members determining another surface transversely spaced from the first surface, web members extending longitudinall and transversely between the sets of chor members and formin with the chord members a plurality of sigo by side longitudinally extending triangular cells, some of the chord members and some of the web members each including a longitudinally extending angled flange at one side thereof, the angled flanges of the chord members interfitting and interlocking with the angled flanges of the web members, and means 'oinin the other sides of the chord and we mem rs with each other, and end members for the structure, each of the end members having a recess formed therein, and the ends of the chord and web members extending into the recesses, and tension members connecting the end members and a plying a compression load on the chord an web members.
  • a cellular trussed structure includin two sets of side by side longitudinally an laterally extendin chord members, one set of the chord mem rs determining one surface, and the other set of the chord members determining another surface transversely spaced from the first surface, web members extendin longitudinally and transversely between t e sets of chord members and formin with the chord members a plurality of si e by side longitudinally extending triangular cells the chord members and the web members each including a longitudinally extending angled flange at each side thereof, and the angled flanges of the chord members interfitting and interlocking with the angled flanges of the web members, and end members for the structure, each of the end members having a recess formed therein, and the ends of the chord and web members extending into the recesses, and tension members connecting the end members and applying a ⁇ ctzompression load on the chord and web memers.
  • a cellular trussed struct-ure includin two sets of side by side longitudinally and laterally extending chord members, one set of the chord mem ers determinin one surface, and the other set of the chor members determining another surface transversely spaced from the first surface, web members extending longitudinally and transversely between the sets of chord members and forming with the chord members a plurality of side by side longitudinally extending triangular cells some of the chord members and some of the web members each including a longitudinally extendin an led flan e at one side thereof, the ang ed anges o the chord members interfitt-in and interlocking with the angled flanges o the web members, and means joining the other sides Aof the chord and web members with each other and end members for the structure, each of the end members having a recess formed therein, and the ends of the chord and web members extending into the recesses, and tension members connecting the end members and applying a compression load on the chord and web members, and another tension member applyin
  • a cellular trussed structure including two sets of side by side longitudinally and laterally extending chord members, one set of the chord members determinino' one surface, and the other set of the chord members determining another surface transversely spaced from the first surface, web members extending longitudinall and transversely between the sets of c ord members and formin with the chord members a plurality of side y side longitudinally extending tr1- angular cells, the chord members and the we members each including a longitudinally extending angled flange at each side thereof, and the angled flanges of the chord members interfitting and interlocking with the angled flanges of the web members, and end members for the structure, each of the end members having a recess formed therein, and the ends of the chord and web members extending into the recesses, ⁇ and tension members connecting the end members and applying a compression load on the chord and web members, and another tension member applying a laterally directed load on the chord and web members.
  • a cellular trussed structure including two sets of side by 'side longitudinally an laterally extending chord members, one set of the chord members determinin one surface, and the other set of the chord members determining another surface transversely spaced from the rst surface, Web members extending longitudinally and transversely between the sets of chord members and forming with the chord members a plurality of side by side longitudinally extending triangular cells, some of the chord members 3 and some of the web members each including a longitudinally extending acute angled ange at one side thereof, the angled flanges of the chord members interfitting and interlocking with the angled anges of the web members, and means joining the other sides of the chord and web members with each other.

Description

Aug. 30, 193.2..v MK, A MONTGQMERY 1,874,572
A TRUSSED STRUCTURE Filed Feb. 17, 1930 2 Sheets-Sheet l MAM/grama? abbo/cmq:
Aug. 30, 1932. M. A'. MoNTGoMERY- 1.874,572
n TRUssED STRUCTURE Filed Feb. 17, 195o sheets-sheet 2 v Fly-4 In/vento@ r MAJ/alzi'gam/y- 35% //Lww/L Patented Aug. 30, 1932 PATENTy OFFICE MAX A. MONTGOMERY, F HUDSON, OHIO `a'nus'snn STRUCTURE .Application led February 17, 1980. Serial lo. 428,939.
My invention relates to trussed' structures, which may be used as walls, but which are particularly adapted for use as ioors and/0r roofs in residential, office, commercial, and industrial buildings and the like.
More particularly my invention relates to 'cellular trussed structures preferably made of formed sheet or strip, metal, preferably steel.
Most floor structures include joist members spanning between and being supported at their ends on bearing members which may be bearing walls or may be beams or girders which in turn are supported at their ends upon other beams or girders or upon columns or bearing walls. c
The joint members are laterally spaced from each other, and support upon their upper chords or flanges some form of oor- 0 ing or roofing, and may carry below their lower chords or lianges some form of ceiling.
Many dilferent types of metal joists have been proposed for use in iioor structures, and the flooring used for such joists is usually some form of concrete slab usually laid upon metal lath supported by the joists, or may be wood flooring secured directly to the joists.
In any event, steel j oists are relatively diiicult to fabricate for variable spans and variable loadings, and the placement of steel joists with the accompanying flooringv in a building is relatively diiicult and usually requires specially skilled labor for any particular type of joi'st floor structure,
Moreover, the complete l'loor including the joists and the ooring and the ceiling, requires the assemblage of" materials usually 40 from two diiferent sources, since the manufacturers of joists rarely supply the necessary materials forthe liooringsand the ceiling.
The objects of the present improvements 5 -include in general the provision of a cellular trussed structure including interlitting chord and web members, .for use primarily in buildings, and which may extend between and be supported by frame members of the building, and which may form preferably a o load sustaining partition between the frame members, such partition, when extending verincludes a plurality of interlocking and in- ,terlitting members, all of which are preferably made of sheet or strip material, preferably of steel, and which result in a completed floor structure having liooring above, ceiling below, and intertting and interlocking joist 55 members between the Iflooring and ceiling members, whereby the improved Hoor structure may be placed in a building by the use of relatively unskilled labor, and such door structures being adapted for variable spans and for variable loadings without necessitating excessive'y engineering and design cost.
Further objects of the present improvements include the pro-vision of a trussed cellular structure adapted for use as a lioor structure and including intertting members, .the several members being adapted for easy and economical manufacture, and being adapted for easy and economical erection in the banding. f 8
Further objects of the invention include ,the provision of a. floor structure enabling the elimination of the use of concrete in many types of buildings.
83 These and other objects are attained by the present invention, thenovel features of which are particularly set forth in the appended claims. r f
Preferred embodiments of my invention -of my invention; and
are illustrated in the accompanying drawings forming part thereof, in wh1ch t Figure 1 is a fragmentary top plan view of a floor structure embodying the present improvements; 4
Fig. 2, a longitudinal sect1onal view thereof as on line 2-2, Fig. 1;
Fig. 3, an enlarged lateral sect1onal vlew thereof as on line 3 3, Fig. 1
Fig. 4, an oblique view of another floor structure including a modified embodiment Fig. 5, an obli ue view of still another floor structure including a further modified embodiment of the present improvements.
Similar numerals refer to similar parts throughout the several views.
ma be load7 re- While the present improvements used in the walls o f buildings, the sisting truss action of the improvements 1s best attained in floors, and accordinglyone floor structure embodying the present im- Erovements is indicated generally at 10 1n igs. 1, 2, and'3, and preferably includes a.
plurality of panels each indicated generally at 11, and each Apanel includes a plurality of side by side longitudinally4 and laterally extending chord wall members 12, longitudinally and transversely extending web wall members 13, and longitudinally extending angled panel side mem ers 14a and 146.
Some of the chord wall members 12 are l0- cated infan upper plane and determine a floor wall, and some of the chordwall members 12 are located in a lower plane and determine a ceiling wall, and the web wall members 13 extend angularly between the spaced chord wall members 12 and form with the s aced chord wall members 12, a plurality of side by side longitudinally. extending triangular cells 15.
The chord wall members 12 are preferably made of formed sheet or strip material, whereby the floor wall is continuous across each panel, and likewise the ceiling wall is `continuous across each panel, and in certain classes of buildings such as industrial buildings, require no further covering. When desired however, a relatively7 shallow lay of Inaterial, such as asphalt, linoleum, fibreboard, or the like, may be used to surface the floor wall, and/or ceiling wall.
The web wall members 13 may be made of formed sheet or stripmetal, as illustrated, or may be built up trussed joist structures when desired. l
Each chord wall member 12 includes preferably at each side a longitudinally extending fla-nge 16; and the flanges 16 are angular to the web 17 of the chordwall member 12, and extending from one face thereof and towards each other, and each flange forming with the web a hook.
The flanges 16 of the upper chord wall members 12 extend downwardly, and the flange 16 and the web 17 of a lower chord wall member 12 to a hook engagement at the opposite side with a flange 16and a web 17 of an -upperchord wall member 12; and each web wall member 13 preferably includes a web 19 and a longitudinally extending yflange 20a at one side thereof, and a longitudinally extending flange 206 at the other side thereof,
4the flanges 20a and 206 being angular to the web 19, and extending away from opposite faces thereof, and form with the web an elongated Z as illustrated. The heads of the Zs` are formed by the flanges 20a and 206 and the web, and the heads are interlockingly engged by the hook flanges 16 of the members It has been found that this fundamental arrangement of the interfitting and interlocking members is not only practically self-sustaining, but is also adapted for carrying a relatively large superimposed load when the triangular cellular members are properly supported at their ends.
' For increasing the rigidity and carrying capacity of the panel, the side members 14a and 146 are provided; and the side member 14a includes a lower ceiling web 21a having a longitudinally extending hook flange 22a at one side, and having a beam'web 23a at the other side thereof, and the outer side of the beam web is provided with a longitudinally extending abutment flange 24a.
Similarly the side member 146 includes a lower ceiling web 216 having a longitudinally extending flange 226 at one side, and having a beam web 236 at the other side thereof, and the outer side of the beam web is provided with a longitudinally extending abutment flange 246.
The side members 14a and 146 are provided for making a longitudinally extending rectangular panel.
Laterally extending end members 25 are preferably provided for each panel`11, and each end member 25 has a laterally extending recess 26 formed therein into which the ends of the longitudinally extending members are fitted.
Each panel also preferably includes a plurality of laterally spaced tension members 27 arranged for applying a compression load on the longitudinally extending members, and as illustrated each tension member 27 is preferably in the form of a tie rod threaded at each end and extending through apertures in the end members 25, and each threaded end of each tie rod being provided with a nut 28 each nut abutting against the outer face of an end member, and, bein screwed against i the end member for app ying the desired ing through apertures in the members 13 and the beam webs 23a and 235 of the side members 14a and 146, and each threaded end of the tie rod is provided with a nut 31, each nut abutting and being screwed against the outer face of one of the panel side members.
A plurality of the panels may be utilized for making a floor of any desired area as illustrated in Figs. 1, 2, and 3, by the use of upper longitudinally extending filler members 32 and lower longitudinally extending filler members 33 positioned between the sides of adjacentpanels', and by the use of laterally extending ller members 34 positioned between the ends of adjacent panels.
lt will be seen that the interlocking and i? 'eriltting members are self-sustaining and easily fitted together, so that the cellular structure may be assembled on the ground or in position in a building structure.
F ig. d illustrates another iloor structure including a modified embodiment of the improvements, indicated generally at 110.
The structure 110 includes -a plurality of panels each indicated at 111 and each including a plurality of side by side longitudinally extending triangular tubular' members 112, each preferablyformed from sheet or strip metal and including a wall web 113 from the sides of which beam webs 114e and 114?) extend away from one face of the Wall web and towards each other and the outer sides of the beam webs are preferably provided, respectively, with longitudinally extending flanges 115e and 115 parallel with the wall web.
A plurality of wall members 116, each include at each side thereof a longitudinally extending snap flange 117 and the snap flanges of the wall members 116 make snap engagement between the apexes 118a and 1186, respectively; the apexes 118e and 1186 being formed by the outer sides of the beam webs 114e and 114?) and the flanges 115e and 1155.
Fig. illustrates another floor structure 210 including a further modified embodiment of the present improvements, and the structure 210 is similar to the structure 10,
means being provided for bolting the longitudinally extending members to each other and for applying screed strips.
The structures 110 and 210 will be set forth in greater detail and the novel features thereof claimed in other applications for patent.
ll claim:
1. A. cellular trussed structure including two sets of side by side longitudinally and laterally extendin chord members, one set of the chord mem ers determining one surface, and the other set of the chord members determining another surface transversely spaced from the first surface, web members extending longitudinally and transversely between the sets of chord members and formln with the chord members a plurality of si e by side, longitudinally extending triangular cells, some of the chord members and some of the web members each including a longitudinally extending angled flange at one side thereof, the angled flanges of the chord members interlitting and interlocking with the angled flanges of the web members, and means joining the other sides of the chord and web members with each other.
2. A cellular trussed structure including two sets of side by side longitudinally and laterally extendin chord members, one set of the chord mem ers determining one surface, and the other set of the chord members determining another surface transversely spaced from the first surface, web members extending longitudinally and transversely between the sets of chord members and formin with the chord members a plurality of s1 e by side longitudinally extending triangular cells, the chord members and the web members each including a longitudinally extending angled flange at each side thereof, and the angled flanges of the chord members interitting and interlocking with the angled flanges of the web members.
3. A cellular trussed structure including two sets of side by side longitudinally and laterally extending chord members, one set of the chord members determining one surface, and the other set of the chord members determining another surface transversely spaced from the first surface, web members extending longitudinally and transversely between the sets of chord members and forming with the chord members a plurality of side by side longitudinally extending triangular cells, some of the chord members and some of the web members each including a longitudinally extending angled flange at one side thereof, the angled flanges of the chord members intertting and interlocking with the angled flanges of the web members, and means joining the other sides of the chord and web members with each other, and end members for the structure, each of the end members having a recess formed therein, and the ends of the chord and web members extendingl into the recesses.
4. A cellular trussed structure includin' two sets of side by side longitudinally and laterally extendin chord members, one set of the chord mem ers determiningI one surface, and the other set of the chord members determining another surface transversely spaced from the first surface, web members extending longitudinall and transversely between the sets of chor members and formin with the chord members a plurality of si e by side longitudinally extending triangular cells the chord members and the web members each including a longitudinally extending an led flange at each side thereof, and the ang ed flanges of the chord members interfitting and interlocking with the an led flanges of the web members, and end mem ers for the structure, each of the end members having a recess formed therein, and the ends of the chord and web members extending into the recesses.
5. A cellular trussed structure includin two sets of side by side longitudinally and laterally extending chord members, one set of the `chord members determining one surface, and the other set of the chord members determining another surface transversely spaced from the first surface, web members extending longitudinall and transversely between the sets of chor members and formin with the chord members a plurality of sigo by side longitudinally extending triangular cells, some of the chord members and some of the web members each including a longitudinally extending angled flange at one side thereof, the angled flanges of the chord members interfitting and interlocking with the angled flanges of the web members, and means 'oinin the other sides of the chord and we mem rs with each other, and end members for the structure, each of the end members having a recess formed therein, and the ends of the chord and web members extending into the recesses, and tension members connecting the end members and a plying a compression load on the chord an web members.
6. A cellular trussed structure includin two sets of side by side longitudinally an laterally extendin chord members, one set of the chord mem rs determining one surface, and the other set of the chord members determining another surface transversely spaced from the first surface, web members extendin longitudinally and transversely between t e sets of chord members and formin with the chord members a plurality of si e by side longitudinally extending triangular cells the chord members and the web members each including a longitudinally extending angled flange at each side thereof, and the angled flanges of the chord members interfitting and interlocking with the angled flanges of the web members, and end members for the structure, each of the end members having a recess formed therein, and the ends of the chord and web members extending into the recesses, and tension members connecting the end members and applying a `ctzompression load on the chord and web memers.
7. A cellular trussed struct-ure includin two sets of side by side longitudinally and laterally extending chord members, one set of the chord mem ers determinin one surface, and the other set of the chor members determining another surface transversely spaced from the first surface, web members extending longitudinally and transversely between the sets of chord members and forming with the chord members a plurality of side by side longitudinally extending triangular cells some of the chord members and some of the web members each including a longitudinally extendin an led flan e at one side thereof, the ang ed anges o the chord members interfitt-in and interlocking with the angled flanges o the web members, and means joining the other sides Aof the chord and web members with each other and end members for the structure, each of the end members having a recess formed therein, and the ends of the chord and web members extending into the recesses, and tension members connecting the end members and applying a compression load on the chord and web members, and another tension member applyin a laterally directed load on the chord an web members.
8. A cellular trussed structure including two sets of side by side longitudinally and laterally extending chord members, one set of the chord members determinino' one surface, and the other set of the chord members determining another surface transversely spaced from the first surface, web members extending longitudinall and transversely between the sets of c ord members and formin with the chord members a plurality of side y side longitudinally extending tr1- angular cells, the chord members and the we members each including a longitudinally extending angled flange at each side thereof, and the angled flanges of the chord members interfitting and interlocking with the angled flanges of the web members, and end members for the structure, each of the end members having a recess formed therein, and the ends of the chord and web members extending into the recesses, `and tension members connecting the end members and applying a compression load on the chord and web members, and another tension member applying a laterally directed load on the chord and web members.
9,. A cellular trussed structure including two sets of side by 'side longitudinally an laterally extending chord members, one set of the chord members determinin one surface, and the other set of the chord members determining another surface transversely spaced from the rst surface, Web members extending longitudinally and transversely between the sets of chord members and forming with the chord members a plurality of side by side longitudinally extending triangular cells, some of the chord members 3 and some of the web members each including a longitudinally extending acute angled ange at one side thereof, the angled flanges of the chord members interfitting and interlocking with the angled anges of the web members, and means joining the other sides of the chord and web members with each other.
ln testimony that I claim the above, I have hereunto subscribed my name.
2f MAX A. MONTGOMERY.
US428939A 1930-02-17 1930-02-17 Trussed structure Expired - Lifetime US1874572A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2498086A (en) * 1945-11-01 1950-02-21 Tecalemit Ltd Vehicle lift
US3103025A (en) * 1958-12-03 1963-09-10 Kaiser Aluminium Chem Corp Structural unit
US3182765A (en) * 1961-05-29 1965-05-11 Kwiatkowski Herbert Corrugated structure
US3214889A (en) * 1961-08-04 1965-11-02 Reynolds Metals Co Hollow wall constructions and parts therefor or the like
US4620400A (en) * 1980-11-25 1986-11-04 Bouygues Prestressed concrete structure, a method of producing this structure, and elements for implementing the method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2498086A (en) * 1945-11-01 1950-02-21 Tecalemit Ltd Vehicle lift
US3103025A (en) * 1958-12-03 1963-09-10 Kaiser Aluminium Chem Corp Structural unit
US3182765A (en) * 1961-05-29 1965-05-11 Kwiatkowski Herbert Corrugated structure
US3214889A (en) * 1961-08-04 1965-11-02 Reynolds Metals Co Hollow wall constructions and parts therefor or the like
US4620400A (en) * 1980-11-25 1986-11-04 Bouygues Prestressed concrete structure, a method of producing this structure, and elements for implementing the method

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