Road structure – process – or apparatus – Traffic director – Vibration inducing member
Patent
1975-06-09
1976-09-14
Byers, Jr., Nile C.
Road structure, process, or apparatus
Traffic director
Vibration inducing member
E01F 904
Patent
active
039804100
ABSTRACT:
A pavement marker having a relatively fragile pavement marker housing and a snow plow frame for guiding snow plows and similar implements over the pavement marker housing. Retrodirective reflector elements may be included in the pavement marker housing. The snow plow frame includes a unitary sheet metal body adapted to be secured to the roadway surface and having a base member with a fore and aft axis that extends parallel to the direction of travel when the body is secured to the roadway, and a transverse axis perpendicular to the fore and aft axis. A pair of snow plow ramp sections are formed on the body on opposite sides of the fore and aft axis, each of the ramp sections including a pair of snow plow ramps extending in opposite directions from the transverse axis. Each of the snow plow ramps has an enlarged end adjacent the transverse axis and decreases in cross-section to a tip portion at the distal end thereof spaced from the transverse axis. An opening is formed in the base member for receiving and positioning the pavement marker housing relative to the frame, and a strap member extends from one ramp section to the other along the transverse axis to overlie the pavement marker housing.
REFERENCES:
patent: 1910791 (1933-05-01), Coppel
patent: 2142803 (1939-01-01), Robertson
patent: 2242619 (1941-05-01), Richardson
patent: 2260498 (1941-10-01), Wise
patent: 2708858 (1955-05-01), De Shazor
patent: 3587416 (1971-06-01), Flanagan
patent: 3758191 (1973-09-01), Hedgewick
Arnott Robin A.
Domaracki John F.
Suhr Donald C.
Byers Jr. Nile C.
ITL Industries, Inc.
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