Fire escape – ladder – or scaffold – Ladder – Supporting surface compensating means
Patent
1995-01-11
1996-06-04
Chin-Shue, Alvin C.
Fire escape, ladder, or scaffold
Ladder
Supporting surface compensating means
182111, E06C 744
Patent
active
055224733
ABSTRACT:
A ladder stabilizing device for attached to the lower end of a ladder rail. The device is incrementally adjustable to compensate for irregularities in a ladder supporting surface and has a support base including spaced apart front and rear legs to provide sound footing for the ladder. The support base is pivotal between a ladder supporting position and a storage position.
REFERENCES:
patent: 1431068 (1922-10-01), Waney
patent: 1455002 (1923-05-01), Johnson
patent: 2196640 (1940-04-01), Meier
patent: 2620115 (1952-12-01), Guldjord
patent: 4243122 (1981-01-01), Coutts
patent: 5107958 (1992-04-01), Johnson
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