Fire escape – ladder – or scaffold – Ladder – Supporting surface compensating means
Patent
1974-10-29
1976-06-22
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Ladder
Supporting surface compensating means
E06C 744
Patent
active
039645746
ABSTRACT:
A ladder leveling device is attachable to a leg of a regular ladder having a joiner tongue affixed to the outer surface of said leg. Said device serves as an adjustable leg, having two sides, and a connector member between them that has slots extending diagonally therethrough adapted to receive said joiner tongue to thereby join my device to said ladder.
REFERENCES:
patent: 388076 (1888-08-01), Schmidt
patent: 722409 (1903-03-01), Paskell
patent: 1733338 (1929-10-01), Enke
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