Patent ID: 6405829
Filing Date: 2002-06-18
Classification: E06C

Abstract:
A device for use with anon-self-supporting ladder having two substantially parallel, elongated, spaced apart side rails having an upper end and a lower end and a plurality of substantially parallel, spaced apart rung elements joining said spaced apart side rails, the device comprising,an inboard roller assembly adapted to be positioned at a base of said ladder and comprising a pair of brackets adapted to be connected to a respective one of said spaced apart: side rails, each bracket having a pair of roller arm stops, an elongated roller arm pivotally connected to each bracket and pivotable between and selectively contacting the pair of roller aim stops and a roller rotatable over its central axis attached to each of said elongated roller arms, said inboard roller assembly adapted to impose a specified ladder inclination angle (&thgr;) between said spaced apart side rails and a substantially flat horizontal surface when said lower end of said spaced apart side rails, and said rollers rest on the substantially flat horizontal surface.