Debris net/scaffolding frame lifting system

Details Debris net/scaffolding frame lifting system Debris net/scaffolding frame lifting system

1990-01-04

1990-10-16

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Wall- or floor-attached

182141, 182138, E04G 310, E04G 2130, E04G 2132

Patent

active

049628283

ABSTRACT:
A perimeter debris net lifting system employs a plurality of lifting units which support a debris net for a high rise-type construction structure. The lifting units comprise a pair of frame assemblies which are slidably coupled and essentially scale the structure to raise the debris net as construction progresses. Each of the frame assemblies are independently mountable to two floors of the structure. Each lifting unit is vertically displaced by disengaging one of the frame assemblies from its mounting engagement and lifting the frame assembly while the other frame assembly remains securely fixed to the structure. The debris net remains fully extended and functional during the vertical lifting process. The lifting units may also mount one or more scaffolding frames and a vertical debris net.

REFERENCES:
patent: 2893786 (1959-07-01), Faye
patent: 3207263 (1965-09-01), Cull
patent: 3302749 (1967-02-01), Heaphy
patent: 4060358 (1977-11-01), Fougea
patent: 4119176 (1978-10-01), Verdu
patent: 4129197 (1978-12-01), Preston
patent: 4732234 (1988-03-01), Brickman
patent: 4838382 (1989-06-01), Nusbaum
patent: 4856615 (1989-08-01), Nusbaum
patent: 4892169 (1990-01-01), Duncan

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