Ventilating ladder

Details Ventilating ladder Ventilating ladder

1980-04-04

1981-07-21

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Ladder

With hook or grab

182 45, 182152, E06C 136

Patent

active

042793270

ABSTRACT:
This invention relates to a device for attachment to ladders which will enable them to securely anchor to the peak of a roof quickly and easily, while increasing safety for firemen cutting ventilation holes near the peak of the roof. The attachment for roof ladders allows the firemen to stand on a support directly below the roof area where the hole is cut. The invention can be folded into a compact bundle for storage and transportation, and is light in weight.

REFERENCES:
patent: 1018877 (1912-02-01), Chickering
patent: 1030905 (1912-07-01), Lucas
patent: 1393048 (1921-10-01), Stiles
patent: 2341510 (1944-02-01), Born
patent: 2432781 (1947-12-01), Mann
patent: 2439430 (1948-04-01), Hurd
patent: 2448716 (1948-09-01), Hurd
patent: 2556998 (1951-06-01), Frazier

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