Patent ID: 7108103
Filing Date: 2006-09-19
Classification: E06C

Abstract:
1. A step ladder comprising a frame including a left leg and a right leg, each of the left and right legs including spaced-apart first and second tubular members and a web located between and coupled to the first and second tubular members, and a plurality of step units arranged to lie between the left and right legs, each step unit being coupled to the left and right legs to support said step unit in a stationary position relative to the left and right legs, wherein each of the first and second tubular members of the left leg includes first, second, third, and fourth side walls arranged in series to define an interior region therebetween and wherein the first side walls of said first and second tubular members lie in coextensive relation with a first reference plane, the second side walls of the said first and second tubular members are coupled to the web located between the first and second tubular members, and the third side walls of said first and second tubular members lie in coextensive relation with a second reference plane that is oriented to cooperate with the first reference plane to define a first acute included angle therebetween.