Patent ID: 9670777
Date: 2017-06-06
CPC Classifications: E21D

Claim:
1. A main gate roof support comprising: a pair of elongated base members laterally spaced apart from one another, each base member including a first portion, a second portion, a first support pivotally coupled to the first portion, and a second support pivotally coupled to the second portion; a first shield pivotally coupled to the first portion of each base member; a first beam for engaging a roof, the first beam coupled to the first portions of the base members by the first supports, the first beam pivotally coupled to the shield; a second beam for engaging the roof, the second beam coupled to the second portions of the base members by the second supports; a bridge member pivotally coupled between each of the base members to permit movement of the base members relative to one another; and a sloughing plate pivotally coupled to one of the base members, the sloughing plate extending at least partially between the one base member and at least one of the first beam and the second beam.