Stair bracket

Details Stair bracket Stair bracket

1988-04-18

1989-04-11

Scherbel, David A.

Static structures (e.g., buildings)

Stepped; e.g., stair

52712, 52715, E06C 750

Patent

active

048193917

ABSTRACT:
A stair bracket for constructing a staircase is formed from a single strip of sheet metal. One edge of the strip at one end and is upturned to form a flange having a length at least equal to the depth of a stair tread, and the same edge at the other end is downturned into a channel having a length at least equal to the height of a riser, the channel and flange meeting in the middle of the strip. In use the strip is bent at a right angle in the middle at the juncture point with the flange being on the inside of the angle and the channel being on the outside.

REFERENCES:
patent: 853134 (1907-05-01), Steiber
patent: 960412 (1910-06-01), Sandblom
patent: 1893876 (1933-01-01), Anderson
patent: 4367613 (1983-01-01), Strub
patent: 4464870 (1984-08-01), Crepeau
patent: 4593503 (1986-06-01), Koslowski
patent: 4635416 (1987-01-01), Ayala

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