|Publication number||US793358 A|
|Publication date||Jun 27, 1905|
|Filing date||Apr 21, 1905|
|Priority date||Apr 21, 1905|
|Publication number||US 793358 A, US 793358A, US-A-793358, US793358 A, US793358A|
|Original Assignee||James Doyle|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (12), Classifications (1)|
|External Links: USPTO, USPTO Assignment, Espacenet|
No. 793,358 PATENTED JUNE 27, 1905. J. DOYLE.
COMPOSITE BUILDING STRUCTURE.
APPLICATION FILED APR. 21.1905.
MHI HH IM witnesses; a
NTTED STATES Patented June 27, 1905.
JAMES DOYLE, OF ITl.El\TIJ()L /I MlUIIHrAN.
COMPOSITE BUILDING STRUCTURE.
SPECIFICATION forming part of Letters Patent No. 793,358, dated June 27, 1905.
Application filed April 21, 1905. Serial N0. 256,707.
To (17/ who! if 7114/ 7 con/corn:
Be it known that l, Janus DoYLn, a citizen 0 f the United States, residing at I lemlock, in the county of Saginaw and State of Michigan, have invented a new and useful Composite BuildingStruc-ture, of which the following isa specil'ication.
This invention relates to composite building structures.
The object of the invention is to provide a structure of this character which shall be readily applicable to use in the construction of floors for luiildings or bridges, for culverts across streams or drains, or in any other position where its use will be practical and of advantage, and which shall be simple of construction, thoroughly eilicient and durable in use, light in weight, and capable of withstanding any strain to which it will be subjected in use.
With the above and other objects in view, as will appear as the nature of the invention is better understood, the same consists in the novel construction and combination of parts of a composite building structure, as will be hereinafter fully described and claimed.
In the accompanying drawings, forming a part of this specification, and in which like characters of reference indicate corresponding parts, there is illustrated one form of embodiment of the invention capable of carry-- ing the same into practical operation, it being understood that the elements therein exhibited may be varied or changed as to shape, proportion, and exact manner of assemblage without departing from the spirit thereof.
In the drawings, Figure 1 is a view in transverse section through a structure constructed in accordance with the present invention. Fig. 2 is a view in vertical longitudinal section. Fig. 3 is a view in perspective viewed from the upper side of the structure, a part being omitted to assist in a clear understanding of its construction.
The structure embodies a plurality of stringers 1, a plurality of n'ace-beams 2, a plurality of truss rods 3, and marginal reinforcing guards or flanges 4.
The stringers are, as shown in Fig. 3, approximately semicircular in cross-section and are constructed .of metal and maybe plain, as shown, or longitudinally corrugated, as preferred, and as this latter construction of stringers is well known detailed illustration thereof is deemed unnecessary. The stringers are held spaced apart by washers or spacers 5, arranged at desired intervals in their length and are held assembled by rivets or bolts ('3, which pass through the stringers and through the washers, as clearly shown in Fig. 1. The object for spacing the stringers is to permit escape of water should the same seep through the covering employed in COHHOClllHg' with the combined stringers, thereby to prevent rusting and eating away of the rivets and of the stringers. The brace-beams, of which there are in this instance two shown, although this number may be indelinitely increased according to the size of the structure, are ordinarily I-beams and are held against the under edges of the assembled stringers by the truss-rods 3, the outer terminals of each pair of which project through the guards 4 and are combined therewith by being upset, as shown at 7,0r,if preferred,the terminals may be threaded to be engaged by nuts. The inner terminals of the truss-rods are deflected at an angle of their lengths, as at S, to bear squarely against the under side of the I-beams, and their opposed ends are right and left hand threaded and are engaged by a turnbuckle 9, by which suitable draft may be exerted upon the rods to cause them to force the I- beams against the stringers.
The guards I are made of L-shaped or angle iron and are higher than the stringers in order to retain in position the covering applied thereto, which may be cement, dirt, or planks, and, as herein shown, the ends and sides of the stringers rest upon the base-flanges 10 of the guards, and the longitudinal guards are combined with the stringers by rivets l1, and the transverse guards are held in place by rivets 12, that pass through the l )ase-'l'langes 10.
As herein shown, a truss-rod is omitted from the two outside stringers, as its employment will not under ordinary circumstances be necessary in this position; but, as will be obvious, it may be employed without departing from the scope of the invention.
The structure is adapted to be used in connection with any form of abutment where employed for bridge-building or for use with culverts or for constructing roofs for buildings, and as this will be readily understood illustration is omitted.
From the foregoing description it will be seen that the structure of this invention combines in a thoroughly practical manner all of the requisites essential to the production of a thoroughly effective article and, moreover, by
the mannner in Which the parts are combined that the greatest Wear-resisting and strain-resisting qualities are secured With the minimum of Weight.
Having thus described the invention, What is claimed is 1. A composite structure embodying a plurality of arched stringers, brace-beams disposed beneath the stringers, and truss-rods for holding the brace-beams combined with the stringers.
2. A composite structure comprising a plurality of spaced arched stringers, brace-beams arranged beneath the stringers, and adjustable truss-rods for holding the brace-beams in engagement With the stringers.
3. A composite structure comprising a plurality of arched connected stringers spaced apart at intervals in their length, guards or flanges surrounding the stringers,bracebeams disposed beneath the stringers, and truss-rods disposed beneath the brace-beams and having their terminals connected With the guards.
4. A composite structure comprising a plurality of arched connected stringers spaced apart at intervals of their length, guards surrounding the stringers and projecting above the upper surface thereof, and adjustable truss-rods disposed beneath the stringers and having their terminals secured to the guards.
5. A composite structure comprising a plurality of arched stringers, spacers disposed between the adjacent edges thereof, rivets passed through the stringers and the spacers, L- shaped guards surrounding the stringers and extending above the upper face thereof, bracebeams disposed intermediate of the ends of the stringers and bearing against the under side thereof, and adjustable truss-rods engaging the under sides of the brace-beams and having their terminals connected With the guards.
In testimony that I claim the foregoing as my own I have hereto affixed my signature in the presence of two Witnesses.
FRANK Kano, GEORGE C. RYAN.
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