Portable ladder step

Details Portable ladder step Portable ladder step

1986-06-27

1987-03-03

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Ladder and platform

Platform with ladder as support

248238, E06C 716

Patent

active

046468781

ABSTRACT:
A portable ladder platform having locking and leveling features. A platform is provided which attaches to a standard rung type ladder through brace members, one of which is hook shaped for placement over a rung, and another, which is pivotable, moves under the rung to prevent accidental dislodgement of the platform in use. A leveling device is provided which allows adjustment for varying ladder angles.

REFERENCES:
patent: 248014 (1881-10-01), Boardman
patent: 812620 (1906-02-01), Van Alstine
patent: 1084034 (1914-01-01), Roberts
patent: 1187437 (1916-06-01), Lucas
patent: 1216214 (1917-02-01), Connell
patent: 1462086 (1923-07-01), Echlin
patent: 1820315 (1931-08-01), Miller
patent: 1943626 (1934-01-01), Richard
patent: 2151135 (1939-03-01), Moberg
patent: 2237596 (1941-04-01), Eilers
patent: 2297883 (1942-10-01), Glover
patent: 2432206 (1947-12-01), Mott
patent: 2439185 (1948-04-01), Patt
patent: 2459437 (1949-01-01), Kreissler et al.
patent: 2486783 (1949-11-01), Hartman et al.
patent: 2665952 (1954-01-01), Edwards
patent: 3899045 (1975-08-01), Geisel
patent: 4425985 (1984-01-01), Geisel

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