Fire escape – ladder – or scaffold – Ladder – With spacer means
Patent
1992-11-23
1994-06-28
Chotkowski, Karen J.
Fire escape, ladder, or scaffold
Ladder
With spacer means
182107, E06C 700
Patent
active
053238753
ABSTRACT:
A stand off brace of preferably one-piece tubular construction for use with ladders in which the brace includes a central generally V-shaped apex which is adapted to extend into and between the ladder rails such that increased rigidity between the brace and ladder is brought about.
REFERENCES:
patent: 1994369 (1935-03-01), Risser
patent: 2592006 (1952-04-01), Burke
patent: 2720354 (1955-11-01), Stanley
patent: 3072218 (1963-01-01), Peters
patent: 3715012 (1973-02-01), Perry
patent: 4061203 (1977-12-01), Spencer et al.
patent: 4615412 (1986-10-01), Clarke
patent: 5010979 (1991-04-01), Shreve, III
patent: 5012895 (1991-05-01), Santos
patent: 5121814 (1992-06-01), Southern
Chotkowski Karen J.
Doherty Robert J.
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