Rigid chain system for articles with column structures

Details Rigid chain system for articles with column structures Rigid chain system for articles with column structures

1978-10-31

1980-10-21

Foss, J. Franklin

Supports

Stand

Understructure

D 6147, F16M 1120

Patent

active

042289793

ABSTRACT:
The vertical posts, legs or columns of stationary structures are formed from chain-like link sections that are rigidly interconnected to provide the requisite compressive column strength. Horizontal elements are interconnected at selected heights to the vertical columns and may include rigid chain-like sections similar in construction to the vertical columns.

REFERENCES:
patent: D179527 (1957-01-01), Rubin
patent: D230231 (1974-02-01), Merritt
patent: 2424780 (1947-07-01), Trent
patent: 3452452 (1969-07-01), Dore
patent: 3482394 (1969-12-01), East
patent: 3771309 (1973-11-01), Peters
patent: 3802206 (1974-04-01), Moore
patent: 3945498 (1976-03-01), Lampinen
patent: 4122666 (1978-10-01), Jessop
patent: 4135689 (1979-01-01), Lanphear

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