Patent ID: 6422783
Filing Date: 2002-07-23
Classification: E01F,Y10T

Abstract:
A breakaway post slipbase system for use with a ground stub base, comprising:a slip base casting; said slip base casting comprising a slip base flange and an upper post support; said slip base flange having a slip base flange bottom surface; said upper post support extending upward and normal to said slip base flange; a longitudinal cavity extending through said slip base casting; said longitudinal cavity defined by an interior surface of said slip base casting; at least one pin channel offset to said cavity; said at least one pin channel having a channel depth; said at least one pin channel extending from said slip base flange bottom surface to said channel depth; a locking pin having two locking pin ends; a tubular post having a first end and a second end; said tubular post first end being interposed within said longitudinal cavity of said slip base casting; said locking pin oriented transverse to and through at least one hole in a side of said tubular post first end; and at least one of said locking pin ends extending into said at least one pin channel and being generally flush against a channel end defined by said channel depth, such that said tubular post first end is prevented from sliding upward out of said cavity and disengaging from said slip base casting.