Fire escape – ladder – or scaffold – Safety device for ground-supported ladder
Patent
1975-02-26
1976-05-04
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Safety device for ground-supported ladder
E06C 536
Patent
active
039541568
ABSTRACT:
Increased stability is imparted to a ladder according to the present invention by providing a load suspension means connected at the upper and lower ends of the ladder for suspending a load in an elevated position disposed inwardly towards the lower end of the ladder from a vertical plane extending from the point of connection of the suspension at the upper end of the ladder.
REFERENCES:
patent: 89686 (1869-05-01), Richardson
patent: 235255 (1880-12-01), King
patent: 1386195 (1921-08-01), Minnigan
Hodson Gordon W.
Machado Reinaldo P.
Saffrey Roy H.
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