Patent ID: 6038734
Filing Date: 2000-03-21
Classification: B60B,Y10T

Abstract:
A ground engaging device for resting an object thereon, said ground engaging device comprising:a body having a top, a bottom, and a perimeter side, said bottom of said body having a plurality of cavities therein, said cavities being generally hemispherical, each of said cavities having a rolling ball disposed therein such that a portion of the rolling ball extends outwardly from said bottom of said body;a pad being provided on said top of said body;a base plate having top and bottom surfaces, and a plurality of circular holes therethrough, each said hole of said base plate being associated with a cavity of said bottom of said body, said base plate being coupled to said bottom of said body such that each hole of said base plate is positioned coaxially adjacent to the associated cavity of said body, a portion of said rolling balls in said cavities being extended through the associated hole of said base plate such that said portion outwardly extends from said bottom surface of said base plate, each of said holes of said base plate has a periphery, said periphery of each of said holes being tapered radially inwards from said top surface of said base plate to said bottom surface of said base plate such that the diameter of each hole at said top surface of said base plate is greater than the diameter of the hole at said bottom surface of said base plate; andwherein said top of said body has a top recess, said pad being disposed in said top recess.