Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Curvilinear or peaked truss
Patent
1992-10-15
1994-08-16
Friedman, Carl D.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Curvilinear or peaked truss
522238, 52645, E04B 132
Patent
active
053375319
ABSTRACT:
An adjustable camber truss comprising an upper chord member having opposed ends and being disposed to receive a load acting in one direction; a major support structure fixed to and subtending substantially the entire length of the upper chord member, the major support structure including a major king post fixed to the upper chord member at a post position proximate the midpoint between the opposed ends and extending therefrom in the one direction to a distal end and a pair of major tension members, each major tension member having a first end fixed to the upper chord member proximate a respective one of the opposed ends thereof and an axially opposed second end slidably extending through one end of a tube fixed to the distal end of the major king post and threadably receiving a nut for selective adjustment against one end of the tube.
REFERENCES:
patent: 1112542 (1914-10-01), Loser
patent: 1163641 (1915-12-01), Cummings
patent: 1174931 (1916-03-01), Furry
patent: 2793720 (1957-05-01), Hawes
patent: 2984944 (1961-05-01), Sapp
patent: 2985264 (1961-05-01), Leonard, Jr.
patent: 3994036 (1976-11-01), Fisher
patent: 4353190 (1982-10-01), Gleeson
Two pages entitled "Trusses-A Study by the Historic American Enginnering Record".
Two pages including Table 2-3 and FIGS. 2-16 and 2-17 with a text section entitled "Prestressed Steel Trusses".
Thompson Sidney L.
Wilkerson Claude D.
Friedman Carl D.
Nguyen Kien
Thompson Fabricating Company, Inc.
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