Fire escape – ladder – or scaffold – Platform with elevating or lowering means – Suspended
Patent
1975-01-08
1977-02-15
Spar, Robert J.
Fire escape, ladder, or scaffold
Platform with elevating or lowering means
Suspended
242305AD, 254135R, E04G 118
Patent
active
040078086
ABSTRACT:
A line securing device having a rigid rod with opposite end portions and being successively return bent intermediate said end portions to form a pair of workload supporting loops extending laterally of the end portions in one direction and a single line attaching loop extending laterally of the end portions in the opposite direction.
REFERENCES:
patent: 939618 (1909-11-01), Neller et al.
patent: 1361249 (1920-12-01), Giffin
patent: 2256582 (1941-09-01), Sorensen
patent: 2582385 (1952-01-01), Knudsen
patent: 2934302 (1960-04-01), Langert
patent: 3215390 (1965-11-01), Shelter
Conley George R.
Conley Gerald F.
Neland Kenneth
Spar Robert J.
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