Fire escape – ladder – or scaffold – Ladder – With hook or grab
Patent
1980-03-13
1982-01-19
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Ladder
With hook or grab
182 45, 182214, 182107, E06C 748, E06C 136
Patent
active
043112072
ABSTRACT:
A ladder attachment including an adjustable frame assembly detachably connected to the end of a section of a conventional extension ladder, the frame assembly cooperating with the side rails of the ladder to form a hook portion for extending over the ridge of a pitched roof to thereby allow the ladder to be supported in an inclined position on the roof.
REFERENCES:
patent: 1423998 (1922-07-01), Camp
patent: 2341510 (1944-02-01), Born
patent: 2597902 (1952-05-01), Roketa
patent: 4179011 (1979-12-01), Morawski
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