Span construction

Details Span construction Span construction

1982-01-06

1984-06-19

Pate, III, William F.

Bridges

Suspension

Simple system

52 2, 52 84, 244219, E01D 1100

Patent

active

044546203

ABSTRACT:
A span construction having longitudinal cables extending between end supports, a flexible sheath enclosing the volume bounded by cables and end supports, a fan for forcing a gas through the sheath and gas escape holes on the underside of the sheath to raise the span in response to escaping gas. The span may have an airfoil cross-section so that it is raised in response to cross wind loading.

REFERENCES:
patent: 11467 (1854-08-01), Baldwin
patent: 1400078 (1921-12-01), Kempton
patent: 2423832 (1947-07-01), Gearon
patent: 2682274 (1954-06-01), Miller
patent: 2979287 (1961-04-01), Ross
patent: 3258800 (1966-07-01), Robinsky
patent: 3389877 (1968-06-01), Huber et al.
patent: 3420331 (1969-01-01), Minnite
patent: 3495286 (1970-02-01), Harper
patent: 3688327 (1972-09-01), Marshall
patent: 3726375 (1973-04-01), Blate et al.
patent: 3808624 (1974-05-01), Barkdull
patent: 3859682 (1975-01-01), Sulkiewicz
patent: 3894307 (1975-07-01), Delamare

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