Self-supporting staircase with center post consisting of individ

Details Self-supporting staircase with center post consisting of individ Self-supporting staircase with center post consisting of individ

1979-03-22

1981-08-25

Faw, Jr., Price C.

Static structures (e.g., buildings)

Stepped; e.g., stair

Helical type

52182, E04F 1100

Patent

active

042851785

ABSTRACT:
A self-supporting staircase of which the treads are mounted on structural elements which interconnect in series to form an ascending center post. Each structural element comprises two spaced cylinders connected by a radial arm, the upper end of the first cylinder telescoping with the lower end of the second cylinder of an adjacent element in the series. Means is provided for securing the elements together. Thus the assembled elements are horizontally offset from each other to the extent required by the successive treads mounted on the elements.

REFERENCES:
patent: 1885316 (1932-11-01), Astley
patent: 2899836 (1959-08-01), Cushman
patent: 3226907 (1966-01-01), Gregoire
patent: 3246438 (1966-04-01), Harting
patent: 3908325 (1975-09-01), Kengott

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