Fire escape – ladder – or scaffold – Safety device – platform associated – Railing
Patent
1984-02-06
1985-06-04
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Safety device, platform associated
Railing
182223, E04G 126, E04G 134
Patent
active
045208980
ABSTRACT:
A folding guard rail has two pairs of opposed sides. The rail can occupy two positions; a first position in which the rails extend upwardly from the horizontal surface of a platform surrounded by the rail, and a second position in which the rail is folded over the platform and the sides extend downwardly. A key is provided to immobilize the rail in both of its positions.
REFERENCES:
patent: 665707 (1901-01-01), Tromanhauser
patent: 3112010 (1963-11-01), Mihalik
patent: 3664458 (1972-05-01), Sterns
patent: 4390080 (1983-06-01), Bushnell
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