Stair structure

Details Stair structure Stair structure

1975-09-16

1977-07-12

Faw, Jr., Price C.

Static structures (e.g., buildings)

Stepped; e.g., stair

Tread unit on horizontal tread member connected to riser

52191, E04F 1100

Patent

active

040345254

ABSTRACT:
The construction of step members for building a stairway structure is disclosed. All individual step members have a like construction; each comprises a first vertically extending plate-like element provided at one end with a first rolled portion and a second horizontally extending plate-like element provided at one end with a second rolled portion. The first and second rolled portions form openings which are substantially the same, and fastening means are passed through these openings to connect the step members to parallel stringers.

REFERENCES:
patent: 348782 (1886-09-01), Sawyer
patent: 1452467 (1923-04-01), Lambert
patent: 1503773 (1924-08-01), Stanwood
patent: 2216250 (1940-10-01), Nelson
patent: 3499254 (1970-03-01), Jefferys
patent: 3770393 (1973-11-01), Hoy

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