Fire escape – ladder – or scaffold – Combined
Patent
1977-10-20
1978-11-21
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Combined
182106, 182230, E06C 532
Patent
active
041262069
ABSTRACT:
A guard to bar access to ladder rungs comprising a first and second rigid sheet pivoted together. The upper sheet has an upper hook to hang over a rung of the ladder. The lower (second) sheet has a joggle which enables a portion of it to pass behind a ladder rung and lock means to lock the second, lower, sheet to a rung whereby the first sheet and a portion of the second sheet bar access to the ladder rungs and the upper hook and the lock means prevent removal of the shield without first releasing the lock means.
REFERENCES:
patent: 3225863 (1965-12-01), Ludlow
patent: 3311195 (1967-03-01), Singer
patent: 3372772 (1968-03-01), Singer
Machado Reinaldo P.
Mon Donald D.
Sunset Ladder Company
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