Patent ID: 6224296
Filing Date: 2001-05-01
Classification: E02D

Abstract:
A trench shoring system for preventing possible falling of natural ground walls of trenches, comprising:a pair of outer panels, each outer panel having inner and outer wall surfaces and upper and lower portions;a pair of inner panels, each inner panel having inner and outer wall surfaces and upper and lower portions, the pair of inner panels being coupled together by at least one inner panel strut, one pair of panels being disposed for vertical sliding movement along a wall surface of the other pair of panels; andat least one stopping member associated with at least one of the pairs of panels for preventing one of the pairs of panels from sliding past a desired position with respect to the other pair of panels, whereby the lower portions of one of the pairs of panels and the upper portions of the other pair of panels are connected together forming a single unit trench shoring system that can be installed and removed in an entire assembled state.