Ladder-leveling platform assembly

Details Ladder-leveling platform assembly Ladder-leveling platform assembly

1995-12-26

1997-04-01

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Ladder

Supporting surface compensating means

182107, E06C 744

Patent

active

056157525

ABSTRACT:
A base, supported on a platform, has a plate pivotably coupled therein, and side walls of the base are apertured to receive rods. The rods maintain the plate in a selected inclination, as they are fitted through the apertures and hold the plate in position. The plate receives one upright of a ladder, in order to make the upright level with the other upright of the ladder on pitched ground, or uneven bearing surfaces, in which the two uprights cannot otherwise bear on a common-level surface.

REFERENCES:
patent: 1181224 (1916-05-01), Jaeger
patent: 5005669 (1991-04-01), Umebara
patent: 5141196 (1992-08-01), Arnold
patent: 5372347 (1994-12-01), Minnich

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