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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Long- -Lowthorp<br />
Long, Stephen (cont’d)<br />
1,398 <strong>No</strong>v. 7, 1839 Change to 1830 patent. Double end posts. Diagonal struts from abutment<br />
to mid span.<br />
5,366 <strong>No</strong>v. 13, 1847 Change to 1830 patent. Double end posts. Inclined verticals in end third<br />
of span.<br />
21,203 Aug. 17, 1858 Change to 1830 patent. Double end posts. Inclined verticals in end third<br />
of span. Superimposed inverted arch.<br />
Loomis, Hiram<br />
482,017 Sep. 6, 1892 Truss with a web composed of intersecting circles plus a suspension<br />
cable from towers to mid-span. Fanciful.<br />
Lounsberry, John<br />
453,342 Jun. 2, 1891 *Rollers under floor beams to control expansion and contraction.<br />
Labeled “iron bridge.”<br />
Lowthorp, Francis C.<br />
17,684 Jun. 30, 1857 Straining plate <strong>for</strong> connecting verticals and diagonals to lower chord.<br />
Labeled “truss bridge.”<br />
18,548 <strong>No</strong>v. 3, 1857 Method of connecting vertical posts with rounded ends so they can<br />
"vibrate." Whipple configuration shown. Labeled “truss bridge.”<br />
27,457 Mar. 13, 1860 Connection to receive enlarged ends of iron chord rods. Labeled “truss<br />
bridge.”<br />
62,278 Feb. 19, 1867 Iron casting <strong>for</strong> securing cross-bracing rods at mid point of verticals.<br />
Labeled “truss bridge.”<br />
39
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