Patent ID: 8485754
Filing Date: 2013-07-16
Classification: E01C

Abstract:
1. A winching end for a rig mat, the rig mat having a rectangular frame having a planer working surface, a bottom surface, a mat width between parallel sides and parallel mat ends, the bottom surface supportable upon a resting surface, the sides being inset from the sides adjacent each mat end to form a recess and a mat end having a width less than that between the sides, the winching end abutting to the winching end of at least one additional rig mats, the winching end comprising: rectangular hollow tubing having a length between tips being substantially that of the mat width, adjacent top and side surfaces forming a co-planar surface and a depending member respectively; a strengthening member extending between the bottom end of the depending member and the bottom surface at the mat end and extending along the mat end, wherein the depending member abuts a corresponding depending member of the at least one additional rig mat and the co-planar surface of the rig mat forms a substantially continuous planar surface with the co-planar surface of the at least one additional rig mat.