Structural building components

Details Structural building components Structural building components

1994-05-18

1996-09-10

Wood, Wynn

Static structures (e.g., buildings)

Stepped; e.g., stair

52188, 52191, 182228, E04F 1100

Patent

active

055534210

ABSTRACT:
Prefabricated, preferably pre-cast concrete, stringers and treads can be employed to provide either a staircase of any required inclination, a horizontal walkway or a ramp of a required inclination. In all these applications, the same standardized stringers and treads can be effectively used. Stanchions can be added as required. Further embodiments can be used for providing ladders and for providing seating for grand stands or theaters.

REFERENCES:
patent: 3986579 (1976-10-01), Howard et al.
patent: 5131197 (1992-07-01), Varga

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