Fire escape – ladder – or scaffold – Traversing – track-mounted
Patent
1977-06-24
1978-06-27
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Traversing, track-mounted
182142, E04G 310, E04G 314
Patent
active
040969223
ABSTRACT:
An outrigger beam projects outwardly beyond the edge of the roof, to serve as an overhead anchor for the suspension line of a suspended staging. A support leg depends from the beam and makes contact with the roof inwardly of the roof edge. At a location further inwardly from the roof edge, the outrigger beam is secured to an elevated support rail, but in a manner permitting both axial and sideways angular movement, as needed, for proper positioning of the outboard end of the outrigger beam relative to the side of the building. The support rail counterbalances the weight of the staging. The outrigger beam is connected to the support rail by a carriage which permits (1) the outrigger beam to be pivoted vertically about the support rail, for raising the support leg up off the roof, and (2) sideways movement of the tilted outrigger beam lengthwise of the rail. A counterweight is provided at the inboard end of the outrigger beam to counterbalance the combined weight of the staging and the outboard portion of the outrigger beam.
REFERENCES:
patent: 1919016 (1933-07-01), Geer
patent: 3237717 (1966-03-01), Jackson
patent: 3854550 (1974-12-01), Shingler
patent: 4048924 (1977-09-01), Wibben
Machado Reinaldo P.
Spider Staging, Inc.
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