Fire escape – ladder – or scaffold – Safety device for ground-supported ladder – Terminal foot or shoe
Patent
1985-10-15
1986-12-30
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Safety device for ground-supported ladder
Terminal foot or shoe
182170, 182172, E06C 742, E06C 116
Patent
active
046322205
ABSTRACT:
Ladder to the lower section of which are fitted two outriggers extending outwardly and forwardly for the purpose of enhancing the safety of the ladder in use. Each outrigger has a foot and is capable of being folded up against and parallel to the stile to which it is fitted for storage or transportation. The outriggers are lockable in any desired position by a cam and friction plate mechanism. Preferably each stile is provided with an adjustable extension leg controlled by a ratchet and panel arrangement to facilitate use of the ladder on uneven ground.
REFERENCES:
patent: 1151809 (1915-08-01), Morgan
patent: 1496201 (1924-06-01), Baxter
patent: 2574286 (1951-11-01), Rein
patent: 3025926 (1962-03-01), Vives
patent: 3269486 (1966-08-01), Machen
patent: 4147231 (1979-04-01), Chantler
patent: 4519477 (1985-05-01), Ralston
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