Ladder hook assembly and ladder

Details Ladder hook assembly and ladder Ladder hook assembly and ladder

1976-06-08

1978-05-16

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Ladder

With hook or grab

E06C 136

Patent

active

040893901

ABSTRACT:
The hook assembly includes a hook which passes through a hollow top rung of the ladder and an enclosed locking assembly which secures the hook to the rung for selective rotation between a storage condition and a hooking use condition.

REFERENCES:
patent: 401742 (1889-04-01), Foote
patent: 1205594 (1916-11-01), Close
patent: 2946396 (1960-07-01), McDougal
patent: 3559763 (1971-02-01), Stern
patent: 3590951 (1971-07-01), Berger

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