Sectional concrete road curbs for use as borders for instance between roadways and sidewalks

Claim 1

An elongated sectional road curb adapted to be positioned together with other curb units of identical configuration in a row in interconnected end-to-end relationship on an asphalt layer so as to form a border between a roadway and a sidewalk lying at a higher level than the roadway, comprising an elongated concrete body having two side faces and two end faces, a protruding tongue formed integrally with said concrete body on one end face thereof, means defining a recess in the other end face of said concrete body, said recess having a shape complementary to that of said tongue, elongated flat iron members one end of which being embedded in said concrete body, the other end of one of said members protruding from one end face of said concrete body, and the other end of the rest of said members protruding from one of the side faces of said concrete body in spaced relationship along the length of said concrete body, said member end protruding from one end face of said concretE body being disposed at a larger distance from that side face of said concrete body at which the other member ends protrude than from the other side face of said concrete body, and means forming holes in said protruding ends of said members for engagement with anchoring keys driven into the asphalt layer.