Occasional Electronic Publication No. 1 - Society for Industrial ...

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Trusses with Multi-Panel Diagonal Struts Daniel C. McCallum, Patent No. 8,224 (1851) J. B. Gridley, Patent No. 9,093 (1852) Benjamin Davis, Patent No. 143,125 (1873) Samuel Holt, Patent No. 215,223 (1879) 90
Suspension Trusses Parallel chord trusses with additional diagonal tension members that either directly support the bottom chord or the lower end of vertical compression members. PATENT CHRONOLOGY Trumbull 1841: Tie-rods from top of end posts to center of bottom chord. Bollman 1852: Diagonals radiate from top of end posts to bottom of all verticals. Champion 1854: Radiating rods. Cantilevered truss. Fink 1854: Multiple pairs of diagonals support the bottom of verticals. Smith, F. 1866: Bollman-type configuration with struts to common long diagonal. Least depth is at mid-span. Smith, F. , 1869 May: Short-span, Fink-type configuration with least depth at mid-span. Smith, F., 1869 Oct.: Overlapping Fink-like configurations. Kellogg 1870: Pratt-type configuration with an additional diagonal in each panel. Diedrichs 1872: Verticals are connected to at least one buttress by paired ties. Schwatka 1873: Radiating clusters of verticals along lower chord's panel-points. Diagonal ties from cluster bases. Hammond, Morse & Adler 1876: Counter ties to mid-point of adjacent posts. Houts 1879: Timber parallel chord truss with Bollman-like web. Thacher 1881: Multiple diagonals from top of end posts and center post. Thacher 1885: Methods to subdivide panels in his 1881 patent configuration. Stearns 1890: Pratt configuration with alternate verticals omitted. Elongated panels. Stone 1892: Double- panel length diagonal from end posts. No diagonals in center panel. 91
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Table of Contents Foreword.........
Page 5 and 6:
Introduction: American Truss Bridge
Page 7 and 8:
make the competition profitable. Sq
Page 9 and 10:
Part I Abstracts of American Truss
Page 12:
A Abbott, Job - see Hammond & Abbot
Page 15 and 16:
Beard- -Boles Beard, James 41,594 F
Page 17:
Briggs, J.- -Butterworth Briggs, Jo
Page 20:
Clarke- -Coultas Clarke, Thomas & A
Page 23:
Derrom- -Duval Derrom, Andrew 48,53
Page 27 and 28:
F Farnsworth, Edwin 159,084 Jan. 26
Page 30 and 31:
G Gassaway, Samuel 5,297 Sep. 18, 1
Page 33 and 34:
H Hagg, Lewis - see Webb & Hagg Hal
Page 35 and 36:
Hendrick - -Horton Hendrick, Peter
Page 38:
I Ibel, Justus 250,921 Dec. 13, 188
Page 42 and 43:
K Kandeler, G.F. Theodore 343,377 J
Page 45 and 46:
L Laird, John (John Laird & Co., Ca
Page 47: Long- -Lowthorp Long, Stephen (cont
Page 50 and 51: McKay- -Mitchell, H. McKay, John 90
Page 52: Moyer- -Murphy-Whipple Moyer, Abrah
Page 56 and 57: P Paisley, John 400,704 Apr. 2, 188
Page 58: Post- -Pulliam Post, Andrew (Atlant
Page 61: Ruick- -Rust Ruick, Thomas 188,678
Page 64 and 65: Sherman- -Snyder, Antes Sherman, Ev
Page 66: Stone- -Sylvester Stone, Joel 484,6
Page 69: Truesdell- -Trumbull Truesdell, Luc
Page 73 and 74: W Waddell, John A. L. - also see Wa
Page 75: White, T.- -Woodruff White, Timothy
Page 78 and 79: Part II Patent Chronology Ordered b
Page 80 and 81: # McGuffie 1861: Iron bowstring wit
Page 82 and 83: PATENT CHRONOLOGY Lattice Configura
Page 84 and 85: Lattice Configurations Lucius E. Tr
Page 86 and 87: Wall 1881: Half-hip variation. No h
Page 88 and 89: Bowstring Configurations Not all bo
Page 90 and 91: Laird, J. 1869 (Patent No. 94,321):
Page 92 and 93: Bowstring Configurations - Trusses
Page 94 and 95: Howe Configurations A Howe truss is
Page 96 and 97: Howe Configurations William Howe, P
Page 100 and 101: Suspension Trusses Frederick H. Smi
Page 102 and 103: Trusses with Inclined Verticals Joh
Page 104 and 105: Lenticular Configurations James Bar
Page 106 and 107: Indefinable and One-of-a-kind Fanci
Page 108 and 109: Indefinable and One-of-a-kind Fanci
Page 110 and 111: Sellers 1873: Equalateral triangles
Page 112 and 113: Pratt Family of Trusses with Multi-
Page 114 and 115: A-Frame A sloped top chord variatio
Page 116 and 117: King-Post Configurations Arnold Rei
Page 118: Queen-Post Configurations August Bo
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