Stiffened elongate support member

Details Stiffened elongate support member Stiffened elongate support member

1980-05-22

1982-10-12

Friedman, Carl D.

Static structures (e.g., buildings)

Tensioned or flexed sheet facing

52641, 52691, 52695, 14 10, 14 17, E04C 310

Patent

active

043531903

ABSTRACT:
An elongate support member of the type generally used to span a pair of horizontally spaced supports is stiffened by pivotally attaching thereto at spaced points along its length at least two posts which extend in the same general direction and generally transverse to the length of the support member, and by pivotally attaching tension members or ties to a point at or near each end of said member and the free end of the nearer post and from at or near the free end of a post to the pivotal connection of the next adjacent post to the member, whereby the tension members or ties cross each other between adjacent posts. This form of stiffening allows bending moments and deflections arising as the result of loads applied to the member to be reduced and rendered positive.

REFERENCES:
patent: 1009996 (1911-11-01), Rifflard
patent: 2653553 (1953-09-01), Jacobs
patent: 2704522 (1955-03-01), Frieder et al.
patent: 2986246 (1961-05-01), Lester
patent: 4129915 (1978-12-01), Abell

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