초록 ▼

A D-shaped base fits tightly over a barrel to add ballast to the barrel. The base is perimeter weighted to increase resistance to tipping of the barrel. The interior circumference is designed to fit tightly on the barrel. The outer circumference includes a flat portion to resist rolling of the barre

A D-shaped base fits tightly over a barrel to add ballast to the barrel. The base is perimeter weighted to increase resistance to tipping of the barrel. The interior circumference is designed to fit tightly on the barrel. The outer circumference includes a flat portion to resist rolling of the barrel if tipped over. As a result, if the barrel is tipped over, the base stays tightly fitted to the barrel, but if an automobile collides with the barrel, the base releases to reduce the possibility of damage to the automobile or barrel or base.

대표청구항 ▼

[ We claim:] [6.] A generally toroidal, detachable, low profile, self-ballasting, unitary molded base having a vertical opening adapted to receive a barrel having at least one flat outer surface therethrough, the base having dimensions and being adapted to receive the barrel through the opening and

[ We claim:] [6.] A generally toroidal, detachable, low profile, self-ballasting, unitary molded base having a vertical opening adapted to receive a barrel having at least one flat outer surface therethrough, the base having dimensions and being adapted to receive the barrel through the opening and make a tight fit thereto, the base comprising:a tapered outer radial surface;an inner radial surface having a predetermined molded shape with a radially inwardly directed tapered lip to engage with the barrel and at least one flat interior surface to fit snugly around substantially the entire circumference of the barrel and thereby create a tight fit between the barrel and base when the base is dropped down unto the barrel; anda radially outwardly extending ground engaging portion having a relatively larger cross-sectional area compared to the cross-sectional area of the barrel, the ground engaging portion having an inner radial ground engaging ring and an outer radial ground engaging ring and forming a series of recessed cusps circumferentially distributed about the base between the inner ring and the outer ring.