Adjustable work platform

Details Adjustable work platform Adjustable work platform

1993-03-29

1994-11-29

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Unitary foldable, rigid scaffold or ladder

182223, 182118, E04G 134

Patent

active

053681266

ABSTRACT:
A portable work platform is provided having a height adjustable platform work surface and leg assemblies which may be locked into an open, use-position and unlocked to fold into a collapsed storage position.

REFERENCES:
patent: 1832537 (1931-11-01), Erwin
patent: 2446005 (1948-07-01), Hartmann
patent: 4427093 (1984-01-01), Wehmeyer
patent: 4630819 (1986-12-01), Levin
patent: 4967733 (1990-11-01), Rousseau

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