Ladder leveling apparatus

Details Ladder leveling apparatus Ladder leveling apparatus

1996-03-19

1997-09-23

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Safety device for ground-supported ladder

Terminal foot or shoe

182204, E06C 744

Patent

active

056694628

ABSTRACT:
An improved level ladder and safety device (10) for a ladder (12) of the type having a pair of side rails (14) with a plurality of connecting rungs (16). The device (10) comprises a pair of slider members (18), each of which is sized to fit against one of the side rails (14) of the ladder (12) at a lower end thereof in an adjustable manner. A facility (20) is for retaining each of the slider members (18) to each of the side rails (14) of the ladder (12), so that the ladder (12) can stand upright in a stationary safe position upon an uneven terrain (22).

REFERENCES:
patent: 809057 (1906-01-01), Hester
patent: 2146759 (1939-02-01), Panowitz
patent: 3456757 (1969-07-01), Sain
patent: 3998293 (1976-12-01), Raia
patent: 4133131 (1979-01-01), Davy
patent: 4236603 (1980-12-01), Talley
patent: 4683982 (1987-08-01), Baker
patent: 5305851 (1994-04-01), Katson

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