Highway reflectors

Road structure – process – or apparatus – Traffic director – Attenuated lane marker type

Patent

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F01F 1100

Patent

active

052559955

ABSTRACT:
A highway marker comprising an essentially horizontally positionable base having a lower face securable to the ground and an upper face thereabove and a generally rectangular periphery therebetween, the base also having tapering exterior walls with spaced parallel ribs extending downwardly from the lower face, the ribs being formed with thinner upper ends integral with the lower face and with thicker lower free ends; an essentially vertically extending body having a generally planar front face and a generally planar rear face defining a generally rectangular periphery with a free upper edge and a lower edge integrally formed with the upper face of the base, the body being thicker at its lower edge than its upper edge; a circular projection formed integrally with, and extending outwardly from, each face of the body to define a recess, the edge of each projection remote from its associated face extending radially inwardly to define a locking lip; a plurality of ribs formed integrally with, and extending outwardly from, each face of the body to strengthen the body, the ribs having a generally rectangular configuration and extending between the base and an associated projection; and a circular reflector positioned in each recess and held in position by an associated lip, each reflector being formed of a circular interior component and a circular exterior component, the exterior surface of the exterior component being reflective; the base, body, projections and ribs being molded integrally of a closed cell polyurethane foam at a temperature and time to create larger cells interiorly and smaller cells exteriorly whereby the exterior forms a hardened skin to ensure that the base maintains itself erect from the base during extended use and whereby the interior imparts a reduced weight to the reflector.

REFERENCES:
patent: 3971623 (1976-07-01), Hedgewick et al.
patent: 5002424 (1991-03-01), Hedgewick
patent: 5078538 (1992-01-01), Montalbano

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