Fire escape – ladder – or scaffold – Traversing – track-mounted
Patent
1983-01-04
1984-04-24
Machado, R. P.
Fire escape, ladder, or scaffold
Traversing, track-mounted
182 82, 52749, E04G 306
Patent
active
044442890
ABSTRACT:
A removable construction device for use in a building under construction is disclosed. The device is partially positioned inside the building and locked to the building and is partially cantilevered outside of the building. The device has a movable platform section that may be positioned inside or outside of the building on the device. Construction materials may thereby be moved into the building or may be removed from the building by use of the device associated with an outside lifting crane.
REFERENCES:
patent: 462934 (1891-11-01), Thibault
patent: 1574801 (1926-03-01), Eddington
patent: 3135351 (1964-06-01), Economos
patent: 3679026 (1972-07-01), Hansen
patent: 3974995 (1976-08-01), Blonde
Machado R. P.
Von Behren Norvell E.
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