Road structure – process – or apparatus – Process
Patent
1978-08-18
1979-11-13
Byers, Jr., Nile C.
Road structure, process, or apparatus
Process
299 49, 404 94, E01F 904
Patent
active
041741846
ABSTRACT:
A low-profile snowplowable pavement marker includes a metal base member having two arcuate-bottom keel members interconnected by an arcuate-bottom support member, the upper surfaces of the keel members respectively defining inclined ramps from a plane at one end of the base member toward the other end thereof to corresponding coplanar top surfaces, the support member having a support surface lying below the plane for supporting thereon a cube corner reflex reflector assembly partially recessed below the plane. The keel members and the support member are respectively secured in complementary arcuate recesses with the plane substantially coplanar with the roadway surface, the recesses being cut in the pavement with circular blade cutting apparatus without moving the cutting apparatus along the pavement. A bidirectional marker is shown as well as cutting apparatus for cutting the three recesses therefor simultaneously. A monodirectional pavement marker is shown, with two forms of cutting apparatus for respectively cutting the keel recesses either simultaneously or sequentially with the support member recess.
REFERENCES:
patent: 1837099 (1931-12-01), Bell et al.
patent: 1973176 (1934-09-01), Richardson
patent: 2187879 (1940-01-01), Johnson
patent: 3291532 (1966-12-01), Hatcher
patent: 3427933 (1969-02-01), Myers
patent: 3554606 (1971-01-01), Mabey
patent: 3587416 (1971-06-01), Flanagan
patent: 3590701 (1971-07-01), TenBroeck
patent: 3606467 (1971-09-01), Christensen
patent: 3790293 (1974-02-01), Heenan
patent: 4077731 (1978-03-01), Holz
Amerace Corporation
Byers Jr. Nile C.
Craig Richard A.
Sandler Ronald A.
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