Fire escape – ladder – or scaffold – Unitary foldable – rigid scaffold or ladder
Patent
1979-02-23
1980-09-16
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Unitary foldable, rigid scaffold or ladder
182128, 182179, E04G 134
Patent
active
042224594
ABSTRACT:
A collapsible scaffold for overhead protection of workmen in cement kilns. The scaffold includes a plurality of scaffold units each of which is constructed for erection from a collapsed condition into an overhead protective position. The units are attached in series, one in front of the other, to provide protection along a designated length of work area.
REFERENCES:
patent: 2062473 (1936-12-01), Norton
patent: 2556611 (1951-06-01), Borgman
patent: 3128842 (1964-04-01), Satrum
patent: 3566991 (1971-03-01), Proulx
Hard Thomas
Swingle Ronald
Atlantic Cement Company, Inc.
Machado Reinaldo P.
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