Fire escape – ladder – or scaffold – Horizontal traversing - actuation – control – or response – Occupant actuation or control
Patent
1975-06-09
1976-06-15
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Horizontal traversing - actuation, control, or response
Occupant actuation or control
182129, 182148, A47C 912, E06C 1397
Patent
active
039630960
ABSTRACT:
A stool which includes a platform thereupon, the platform being electrically powered and mechanically driven so to elevate to various different heights so that a person, standing on the platform, can reach high up.
REFERENCES:
patent: 1927598 (1933-09-01), Schlichter
patent: 1981680 (1934-11-01), Tindale
patent: 2514563 (1950-07-01), Todd
patent: 2861730 (1958-11-01), Deahl
patent: 2897910 (1959-08-01), Steely
patent: 3342287 (1967-09-01), Williams
patent: 3493225 (1970-02-01), Ceraldi
patent: 3826336 (1974-07-01), Cramer
Machado Reinaldo P.
Miller Richard L.
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