Appratus and method for providing increased deflection resistanc

Details Appratus and method for providing increased deflection resistanc Appratus and method for providing increased deflection resistanc

1996-06-06

1998-03-17

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Wall- or floor-attached

182222, 182217, E04G 508

Patent

active

057276471

ABSTRACT:
A brace is provided for providing increased deflection resistance to a primary plank wherein the brace includes a frame member having an upper portion and a lower portion. The upper portion is adapted for supported and maintaining a primary plank in a fixed position, and the lower portion is adapted for supporting and maintaining a secondary plank in a fixed position such that the secondary plank and the primary plank extend in identical directions with the secondary plank being spaced-apart from and perpendicular to the primary plank whereby increased deflection resistance is provided to the primary plank.

REFERENCES:
patent: 1142955 (1915-06-01), Gaw
patent: 2198960 (1940-03-01), Deck
patent: 2569450 (1951-08-01), Bouton
patent: 4984656 (1991-01-01), Doolittle

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