Curved stairway and method

Details Curved stairway and method Curved stairway and method

1990-10-11

1991-10-22

Ridgill, Jr., James L.

Static structures (e.g., buildings)

Stepped; e.g., stair

Helical type

182 93, 182194, 182228, E04F 1110

Patent

active

050583395

ABSTRACT:
A curved stairway is illustrated wherein the usual wooden components, including the stringers A, are provided with steel reinforcement, including metallic stringers B provided with cross bracing D and E in order to provide a composite structure affording rigidity with minimal reinforcement.

REFERENCES:
patent: 983213 (1911-01-01), Dahill et al.
patent: 3616585 (1971-11-01), Cirgenski et al.
patent: 3902948 (1975-09-01), Morros
patent: 4135508 (1979-01-01), Lyons
patent: 4143740 (1979-03-01), Matthews
patent: 4527366 (1985-07-01), Green et al.

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