Patent ID: 6868641
Filing Date: 2005-03-22
Classification: E01F,Y10T

Abstract:
1. A breakaway post base comprising: a slip base plate having a periphery including a plurality of bolt clearance notches formed therein; a cylindrical support column sleeve extending normal to said slip base plate and integrally formed therewith; said sleeve and said slip base plate defining a support column socket; a cylindrical support column having a diameter and a first end installed within said support column socket; said sleeve further including a plurality of threaded set screw passages formed therethrough; a plurality of reinforcement bosses disposed upon said support column sleeve, each one of said reinforcement bosses surrounding each of said plurality of threaded set screw passages, and extending to and joining with said slip base plate; a set screw threadedly installed within each of said threaded set screw passages that grips said first end of said support column immovably within said sleeve by engaging and slightly penetrating a wall of said cylindrical support column after a predetermined force is applied to each set screw when torqued to prevent rotation of said support column within said sleeve and to facilitate simple angular rotational adjustment of the support column; a mounting base; a raised mounting pad extending from said mounting base and formed integrally therewith, for bolting said slip base plate thereto; said mounting base and said mounting pad further including a plurality of bolt passages therethrough; said plurality of bolt passages of said mounting base and said mounting pad corresponding in number to said plurality of bolt clearance notches of said slip base plate; and a plurality of bolt and nut assemblies installed through said bolt passages of said mounting base and said mounting pad and in said bolt clearance notches of said slip base plate, to secure said slip base plate to said mounting pad of said mounting base.