Patent ID: 6382353
Filing Date: 2002-05-07
Classification: E06C

Abstract:
A slip prevention device for a ladder with hollow ladder-rung profiles, comprising:a divisible length-adjustable fastening spindle configured to be guided through a hollow rung of the ladder; a pair of support guides adapted to be articulated on and firmly braced on a respective side of the ladder by said fastening spindles, said support guides being foldable into a position parallel to a longitudinal direction of the ladder; each said support guide including a support configured to be fully extended and secured in both longitudinal directions of said support guides; wherein said support guides are each fastened in an articulated manner on a respective end of said fastening spindles by a branching-off protrusion, thereby defining a free space between the ladder and each said support guides; a pull/push rod disposed in each said free space between the. ladder and said support guides and configured to lock each said support guide at various angles and pivotable from a lean-to side/rear side to a front side/climbing side of said ladder; and wherein each pull/push rod has a first end connected to a sleeve surrounding said corresponding support guide, and a second end to be articulated at a second ladder rung.