Fire escape – ladder – or scaffold – Means maintaining platform level on angularly movable support – Swingable support
Patent
1981-03-30
1984-07-24
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Means maintaining platform level on angularly movable support
Swingable support
212261, 212266, 212233, B66F 1104
Patent
active
044613695
ABSTRACT:
An articulated boom and assembly comprising:
REFERENCES:
patent: 3042236 (1962-07-01), Pilch
patent: 3085648 (1963-04-01), Benedetto
patent: 3262517 (1966-07-01), Malee
patent: 3298539 (1967-01-01), Sundstrom
patent: 3411606 (1968-11-01), Oldakowski
patent: 3741143 (1973-06-01), McKinley
patent: 3848699 (1974-11-01), Goodwin
patent: 4085853 (1978-04-01), Lely
patent: 4179010 (1979-12-01), Ashworth
Amador Hydraulic Services Limited
Hughes Ivor
Machado Reinaldo P.
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