Roof brace for supporting a scaffold platform

Details Roof brace for supporting a scaffold platform Roof brace for supporting a scaffold platform

1993-05-05

1994-06-07

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Pitched roof conforming scaffold

248237, E04G 500

Patent

active

053181484

ABSTRACT:
A support for a roof scaffold including a triangular frame with one adjustable leg and two other channels each with an end hingably joined to the other channel end and arranged to fold together to form a space where the adjustable leg may be positioned and where accessories may be stored for convenient transport. An outrigger brace having one end attached to the support and another end attachable to the roof remote from the frame provides lateral stability in the direction perpendicular to the channels. The adjustment of leg length and locatin of attachment of one end of the leg to a channel member permits adaptation of the frame to any roof pitch to support a scaffold platform in a horizontal position.

REFERENCES:
patent: 511721 (1893-12-01), Burk
patent: 909012 (1909-01-01), McCarty
patent: 1495868 (1924-05-01), Nielsen
patent: 1864457 (1932-06-01), Nelson
patent: 2329415 (1943-09-01), Osborne
patent: 2729517 (1956-01-01), Hamilton et al.
patent: 3164353 (1965-01-01), Rene
patent: 4607574 (1986-08-01), Richards
patent: 4856745 (1989-08-01), Mabie
patent: 4957185 (1990-09-01), Courchesne et al.

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