Ladder consisting of sliding sections

Details Ladder consisting of sliding sections Ladder consisting of sliding sections

1982-09-13

1984-02-07

Machado, R. P.

Fire escape, ladder, or scaffold

Ladder

Slidable nested single rung units

182207, E06C 112

Patent

active

044297661

ABSTRACT:
A sliding section ladder, comprising sections of varying widths made up of u-shaped modules, comprising a base and upright sections, each module being smaller in width than the one immediately before it, the outer sides of the smaller module backing into the inside of the immediately larger module, whereby the base and upright sections of the u-configuration of the smaller module are adjacent to the u-shaped base and upright sections of the larger module when said ladder is in a closed position.

REFERENCES:
patent: 595453 (1897-12-01), Fischer
patent: 1712942 (1929-05-01), Smith
patent: 2534202 (1950-12-01), McCall
patent: 2542398 (1951-02-01), Crumpton
patent: 2874887 (1959-02-01), Pompilio
patent: 2993561 (1961-07-01), Watson

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