Ladder support apparatus and methods

Details Ladder support apparatus and methods Ladder support apparatus and methods

2006-07-11

2006-07-11

Chin-Shue, Alvin (Department: 3634)

Fire escape, ladder, or scaffold

Self-sustaining

Ladder

C182S108000

Reexamination Certificate

active

07073629

ABSTRACT:
Ladder support apparatus and methods are disclosed. In one embodiment, a support assembly adapted for use with a ladder includes at least one elongated member adapted to extend between first and second legs of the ladder when the ladder is positioned in an operating position. First and second coupling assemblies are coupled to the elongated member at spaced-apart positions on the elongated member. The first and second coupling assemblies are adapted to be clampably coupled to the first and second legs of the ladder, respectively. The support assembly advantageously permits the ladder to be operated over non-uniform surfaces without permanent modification of the ladder.

REFERENCES:
patent: 1651863 (1927-12-01), Baur
patent: 2743049 (1956-04-01), Flesher
patent: 4244446 (1981-01-01), Mair
patent: 4655322 (1987-04-01), Mittanck
patent: 5704451 (1998-01-01), King
patent: 6655497 (2003-12-01), Weatherall

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