Patent ID: 6907957
Filing Date: 2005-06-21
Classification: E02D,E04G,E06C

Abstract:
1. A trench shield ladder in combination with a trench shield comprising: two spaced apart trench shield walls, a plurality of support rods attaching between the two spaced apart trench shield walls to hold them apart and forming a working space between the two trench shield walls, two approximately parallel front legs for removably engaging an inwardly facing surface of a first trench shield wall, spaced apart main rungs extending between the two legs, a top platform attached approximately perpendicular to upper ends of said legs for engaging said first trench shield wall, hand rails extending over the platform, at least one rear leg attached approximately perpendicular to said top platform and approximately parallel to said front legs for engaging an opposite outwardly facing surface of said first trench shield wall, said hand rails being continuous with both said front and said rear legs, and each of said front legs and each of said rear legs being rigidly secured relative to said platform.