Fire escape – ladder – or scaffold – Means maintaining step lever on horizontally pivoted ladder
Patent
1979-02-05
1981-04-21
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Means maintaining step lever on horizontally pivoted ladder
182115, 182148, B66F 1104
Patent
active
042627710
ABSTRACT:
An hydraulically operated bucket for lifting persons over railroad cars.
REFERENCES:
patent: 3139948 (1964-07-01), Rorden
patent: 3283831 (1966-11-01), Bronder
patent: 4013140 (1977-03-01), Pradon
Hatcher Abe
Machado Reinaldo P.
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