Bunk ladder anchor

Details Bunk ladder anchor Bunk ladder anchor

1979-05-21

1981-03-24

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Ladder

With hook or grab

182 93, E06C 136, E06C 748

Patent

active

042574927

ABSTRACT:
An anchor is provided for securing the upper extremity of a bunk ladder to an elevated support. A bracket is attached to the upper extremity of the ladder and has a configured hook extending downwardly and outwardly. A socket attached to the overhead support has an overhanging lip and a shoulder located therebeneath and spaced therefrom. The bracket hook is inserted between the lip and shoulder which together vertically immobilize the bracket and prevent withdrawal of the bracket hook therefrom when the foot of the ladder is in a supporting position.

REFERENCES:
patent: 283959 (1883-08-01), Bowyer et al.
patent: 459844 (1891-09-01), Thomas
patent: 482402 (1892-09-01), Booth
patent: 3071350 (1963-01-01), Opie
patent: 3357719 (1967-12-01), McCrea
patent: 3360075 (1967-12-01), Gutner
patent: 3892290 (1975-07-01), Lang

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