Patent ID: 7261494
Filing Date: 2007-08-28
Classification: E02D,E21D

Abstract:
1. A truss shoe for use in a mine roof support system, comprising: a base member comprising a bearing surface for engaging a mine roof; a body extending from the base member, the body comprising: wherein the pair of ribs is selected from the group of (1) each of the pair of ribs has a lip portion, the lip portion of the pair of ribs faces one another and each lip portion provides its respective rib with a recess, the recess extending from the lip to the base member; (2) an elongated member extending between and connected to each of the pair of ribs and spaced from the bolt receiving section and the cable engaging section; (3) a third rib extending upward from the base member, the third rib member between and spaced from the pair of ribs and between and spaced from the bolt receiving section and the cable engaging section; and (4) an elongated member extending upward from the base member, between each of the pair of ribs, connected to one of the ribs and spaced from the other one of the ribs, and between and spaced from the bolt receiving section and the cable engaging section.