Fire escape – ladder – or scaffold – Wall- or floor-attached
Patent
1975-11-21
1977-08-30
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Wall- or floor-attached
182150, E04G 310, E04G 314
Patent
active
040448584
ABSTRACT:
A maintenance device for use underneath a deck has an elongated arm connectable to the deck and extending beneath the deck and movable about a vertical axis. A platform mounted on the arm is movable along the arm and may be further movable relative to the arm such as by being rotatable about a second vertical axis or movable vertically relative to the arm. A deck including such a maintenance device may have a plurality of connecting points spaced about the deck such that the arm, by being connected to different ones of said connecting points can reach the entire area beneath the deck.
REFERENCES:
patent: 2669490 (1954-02-01), Kaufman
patent: 3076522 (1963-02-01), Goodell
patent: 3183997 (1965-05-01), Kleiss
patent: 3237718 (1966-03-01), Pearson
patent: 3550723 (1970-12-01), Gentry
patent: 3608669 (1971-09-01), Lindsay
patent: 3708038 (1973-01-01), Ewing
Machado Reinaldo P.
Sverre Munck A/S
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