Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Components adjustably or collapsibly connected
Patent
1987-06-16
1988-12-13
Scherbel, David A.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Components adjustably or collapsibly connected
52648, 52693, 249 28, E04H 1218
Patent
active
047901136
ABSTRACT:
An adjustable depth truss for a flying table comprised of an upper and lower chord held in spaced relationship to each other by diagonal supports attached by connectors received within holes spaced along the length of the chords. The connectors are selectively positionable in the holes to change the angle at which the diagonals are mounted to the chords, thereby varying the distance between the chords and adjusting the depth of the truss.
REFERENCES:
patent: 2152189 (1939-03-01), Henderson
patent: 2284898 (1942-06-01), Hartman
patent: 3007232 (1961-11-01), Thiry
patent: 3327987 (1967-06-01), Muller
patent: 3438160 (1969-04-01), Gostling
patent: 3826057 (1974-07-01), Franklin
patent: 4106256 (1978-08-01), Cody
patent: 4416102 (1983-11-01), Peters
patent: 4546591 (1985-10-01), Beltz
Chilcot Jr. Richard E.
Scherbel David A.
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