Stair structure for storage bins

Details Stair structure for storage bins Stair structure for storage bins

1981-07-23

1983-12-13

Kannan, Philip C.

Static structures (e.g., buildings)

Stepped; e.g., stair

With additional building feature

52187, E04F 1100

Patent

active

044198515

ABSTRACT:
There s disclosed a stariway system having a single stringer assembly and tread members which may be attached to a receiving structure by means of pre-existing through bores therein. The system may be adapted to walls having a horizontal curvature as the stringer assembly is composed of individual stringer sections which may be adjusted to allow each of the treads to be splayed along a radius of the curvature to provide a stairway having a constant tread width along the line of travel.

REFERENCES:
patent: 367974 (1887-08-01), Hanson
patent: 1547254 (1925-07-01), McClure
patent: 3473275 (1969-10-01), Lappin, Jr.
patent: 3474882 (1969-10-01), Ernst
patent: 4143740 (1979-03-01), Matthews
patent: 4355700 (1982-10-01), Matthews et al.

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