Occasional Electronic Publication No. 1 - Society for Industrial ...
Occasional Electronic Publication No. 1 - Society for Industrial ...
Occasional Electronic Publication No. 1 - Society for Industrial ...
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Derrom- -Duval<br />
Derrom, Andrew<br />
48,530 Jul. 4, 1865 *Trestle. Labeled “truss bridge.”<br />
Dibble, Chauncey<br />
293,427 Feb. 12, 1884 Bowstring truss. Arched roadbed. Pairs of rods in V-shaped patterns<br />
between vertical struts.<br />
Dieckman, Ferdinand<br />
113,030 Mar. 28, 1871 Lenticular truss. Mid-height horizontal cable tie. Second set of webbing<br />
between cable and bottom chord.<br />
Diedrichs, John<br />
125,182 Apr. 2, 1871 Suspension truss. Timber top chord and verticals. <strong>No</strong> bottom chord.<br />
Pair of tie rods at equal angles from the bottom of each post.<br />
Dixon, Ephraim<br />
230,929 Aug. 10, 1880 *Timber arch. Composed of several interlocking straight timbers.<br />
Labeled “truss bridge.”<br />
Douglas, William (Berlin Iron Bridge Co., Berlin, Conn.)<br />
202,256 Apr. 16, 1878 Lenticular truss. The configuration of both the top and bottom chord is<br />
composed of three slopes, including a horizontal center section.<br />
315,259 Apr. 7, 1885 Lenticular truss. All panel points lie on a parabolic curve. Chord<br />
segments between panel points are straight segments. Wind strut in end<br />
panels. This is the classic Berlin Iron Bridge Co. lenticular configuration.<br />
DuBois, John<br />
36,606 Oct. 7, 1862 *Method <strong>for</strong> erecting a bridge on a floating foundation secured to piles.<br />
Labeled “truss bridge.”<br />
Dundas, Charles<br />
320,859 Jun. 23, 1885 Method <strong>for</strong> anchoring timber trusses to piling with diagonal rods.<br />
Examples shown are king and queen-post trusses. Labeled “bridge.”<br />
Durden, Thomas<br />
20,414 Jun. 1, 1858 Tied tubular arch that carries a stiffening truss above. Conflicting<br />
concepts. Top chord is a tension rod connecting to all verticals. Labeled<br />
“truss bridge.”<br />
Durfee, James<br />
142,776 Sep. 16, 1873 *Bridge composed of a series of parallel segmental ribs (mini tiedarches).<br />
Labeled “bridges.”<br />
Duval, Martin<br />
384,196 Jun. 5, 1888 Kit of truss parts <strong>for</strong> a variety of configurations including a doubleintersection<br />
Warren truss with verticals at alternate panel points.<br />
French origin. Labeled “metallic bridge.”<br />
384,197 Jun. 5, 1888 Kit of truss parts <strong>for</strong> a variety of configurations. French origin. Labeled<br />
“metallic bridge.”<br />
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