Adjustable stairstep system and process of assembling and instal

Details Adjustable stairstep system and process of assembling and instal Adjustable stairstep system and process of assembling and instal

1995-05-15

1997-06-10

Smith, Creighton

Static structures (e.g., buildings)

Stepped; e.g., stair

Tread unit on horizontal tread member connected to riser

52183, 182228, E04F 1100

Patent

active

056364830

ABSTRACT:
A prefabricated stair system having individually pivotally mounted right angular brackets on opposed stringers, has a control bar which removably contacts the brackets to assume all brackets are arranged at the same angles with respect to the stringer so that the treads, which are supported by opposed pairs of brackets, are parallel to the floors and the risers supported by the brackets are perpendicular to the treads. The stair system is shipped as a kit and assembled in situ following a method of assembly and installation.

REFERENCES:
patent: 3470664 (1969-10-01), Whitehead
patent: 3713511 (1973-01-01), Hinkle
patent: 3885365 (1975-05-01), Cox
patent: 3962838 (1976-06-01), Cox
patent: 4406347 (1983-09-01), Stathopoulos
patent: 4457398 (1984-07-01), Loix
patent: 4593503 (1986-06-01), Koslowski
patent: 4615160 (1986-10-01), LeBlond
patent: 4959935 (1990-10-01), Stob
patent: 5189854 (1993-03-01), Nebel

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