Modular support for stairway steps

Details Modular support for stairway steps Modular support for stairway steps

1982-12-20

1985-05-14

Murtagh, John E.

Static structures (e.g., buildings)

Stepped; e.g., stair

52188, 108 92, 182228, E04F 1100

Patent

active

045163677

ABSTRACT:
The support comprises a horizontal resting deck for a respective step. A first wall including a vertical cylindrical portion is made rigid, on the convex side thereof, with said resting deck and extends above the latter. An additional wall including a vertical cylindrical portion extends fixedly below the resting deck with its concave side facing the convex side of the first wall. Said additional wall has an outer surface matching the outer surface of the first wall.

REFERENCES:
patent: 1052671 (1913-02-01), LeCount et al.
patent: 1063216 (1913-06-01), Rendle et al.
patent: 1105877 (1914-08-01), Buellesbach
patent: 2287561 (1942-06-01), Page et al.
patent: 3290839 (1966-12-01), Theisen
patent: 3474882 (1969-10-01), Ernst

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