Bridge-Truss. Page: 2 of 3
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UNITED STATESPATENT OFFICE.
EDDIE BEARD, OF FISHER COUNTY, TEXAS.
BRIDGE-TRUSS.Specification of Letters Patent.
Patented Nov. 24,1914.
Application filed July 21, 1913. Serial No. 780,108.
To all whom it may concern:
Be it known that I, EDDIE BEARD, a citi-
zen of the United States, residing in the
county of Fisher and State of Texas, have
5 invented a certain new and useful Improve-
ment in Bridge-Trusses, of which the fol-
lowing is a specification.
My invention relates to a new and useful
truss, particularly intended for bridges but
10 applicable also for use in various other struc-
tures.
The object of the invention is to provide
a truss which will be reinforced by a steel
cable extending between its extremities, the
15 use of said cable making it possible to build
the truss of much lighter material than
would otherwise be possible.
Another object of the invention is to pro-
vide a truss employing one or more arch
20 beams extending between the truss extremi-
ties, the arch shape of said beam serving
to give it a greater resistance against any
breaking strain.
Finally the object of my invention is to
25 provide a truss that will combine beauty
and simplicity with strength and durability,
and which may be assembled with compara-
tively little labor.
With these and various other objects in
30 view, my invention has relation to certain
novel features of the construction, an ex-
ample of which is described in the follow-
ing specification, and illustrated in the ac-
companying drawing, wherein:
35 Figure 1 is a plan view of a. bridge, the
platform of which is supported by two of the
herein described trusses. Fig. 2 is a view
of the same in side elevation. Fig. 3 is a
transverse sectional view of the same, the
.40 section being taken upon the line X-X of
Fig. 2.
In the accompanying drawing, like ref-
erence characters are employed to designate
similar parts in all the figures.
45 Since the two trusses shown are identical
in construction, a description of one will
suffice for both. A pair of posts 1 are em-
bodied in my truss at its extremities, and
the upper and lower ends of said Dosts are
50 respectively connected by beams 2 and 3, the
upper beam 2 having the form of a gradual
arch. Any suitable joint may be employed
to rigidly connect the extremity of said
beams with said posts. At suitable space
55 intervals, upright members 4 are extended
between the beams 2 and 3. The upperend of each member 4 is rigidly connected
with the beam 2 by a metal bar 5 of sub-
stantially inverted U-shape, the upper por-
tion of said bar being made to engage
the beam 2, and its lower end portions being
secured to the correlated post at each side
thereof. The lower extremities of the mem-
bers 4 are given a rigid connection with
the correlated beams 3 by vertical strips 6 65
formed of either wood or metal, which strips
have their end portions respectively secured
to the outer faces of the members 3 and 4.
A pair of oppositely inclined brace mem-
bers 7 are extended' between the beams 2 70
and 3 adjacent to each post 4, the members
comprising each pair of said braces being
respectively disposed at each side of the cor-
related post and being centrally bolted or
otherwise secured to said post as indicated 75
at 8. In each of the posts 1, there is mount-
ed a horizontally disposed U-shaped fasten-
ing 10, and to these fastenings are secured
the extremities of a cable 9 stretched taut
parallel to the members 3 and passing so
through the middle portions of the mem-
bers 4. The floor or frame of the bridge
may be constructed in any common and
well known manner. In the preferred con-
struction however the members 4 will be 85
made to support the extremities of sills 11 ar-
ranged in spaced pairs, the adjacent ex-
tremities of each pair being contiguous with
opposite faces of one of the posts 4 and be-
ing bolted thereto as indicated at 11a. The 90
members 11 project at their extremities some
distance beyond the beams 3, and are con-
nected to the adjacent posts 4 by inclined
brace members 12. The lower ends of said
brace members are disposed between the cor- 95
related pairs of sills 11, as indicated at 12a.
The outer end portion of each member 5 will
preferably be contiguous with the outer face
of the upper portion of the correlated mem-
ber 12. 100
In case my truss is formed of wooden
beams and braces, the top and sides of the
member 2 and the upper portion of the post
I will preferably be covered with sheet metal
as indicated at 13 thus protecting said beam 105
from rain and preserving it against decay.
The invention is presented as including
all such modifications and changes as prop-
erly come within the scope of the following
claims: .110
What I claim is:
1. A truss comprising a pair of end posts,
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Beard, Eddie. Bridge-Truss., patent, November 24, 1914; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth858582/m1/2/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.