Fire escape – ladder – or scaffold – Self-sustaining
Patent
1988-09-23
1990-04-24
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Self-sustaining
182223, E04G 136, E04G 508
Patent
active
049192302
ABSTRACT:
A scaffold platform section is fashioned as a corner platform section (117) and exhibits an optionally multipartite floor plate (27) at which at least one supporting leg (29) is bent at an angle, carrying drop-in claws (13) or the like. A supporting leg has a lower lift-preventing leg (30) extending to below the U supporting span member (14) in the drop-in position. This platform section bridges a great variety of different angular regions between other scaffold platforms and can have a swivel member (37) for compensating purposes. The corner platform section (117) proper can be equipped with a border leg (35). The swivel member (37) can have a border leg (38). Two component elements can be joined in a swivelable and inflexible fashion.
REFERENCES:
patent: 557501 (1896-03-01), Ennis
patent: 3250345 (1966-05-01), Behr
patent: 3265156 (1966-08-01), Jacobs
patent: 3908793 (1975-09-01), Vaughn
patent: 4583618 (1986-04-01), Zimmerman
Langer Ruth
Layher Ulrich
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