Road structure – process – or apparatus – Traffic director – Vibration inducing member
Patent
1976-05-05
1978-11-28
Byers, Nile C.
Road structure, process, or apparatus
Traffic director
Vibration inducing member
E01F 904
Patent
active
041273460
ABSTRACT:
A traffic control marker for use with an asphaltic pavement including a rigid plate having a top indicating surface and a bottom surface adapted for contact with the asphaltic pavement and a continuous rigid flange which depends from the peripheral portion of the rigid plate. The continuous rigid flange is adapted for embedment in the asphaltic pavement to a depth at which the top indicating surface of the rigid plate is flush with the top surface of the surrounding asphaltic pavement. The rigid plate is provided with vent holes to assure uniform contact between the bottom of the rigid plate and the asphaltic pavement when the traffic control marker is installed in place. In the preferred form, the continuous rigid flange depends from the rigid plate at an angle of about 90.degree. to the plane of the rigid plate, but may depend at other angles if greater gripping action of the continuous rigid flange is desired. The continuous rigid flange may include a plurality of notches formed in its free end in order to assure greater gripping action and ease of installation, or to conserve construction material. The disclosed traffic control marker is normally fabricated from a corrosion resistant metal such as aluminum or stainless steel.
REFERENCES:
patent: 1647861 (1927-11-01), Furey
patent: 1661870 (1928-03-01), Baldwin
patent: 1703227 (1929-02-01), Dickgiesser
patent: 1709455 (1929-04-01), Baldwin
patent: 1764073 (1930-06-01), Furey
patent: 2142803 (1939-01-01), Robertson
patent: 2242619 (1941-05-01), Richardson
patent: 2635513 (1953-04-01), Batterson
patent: 2699982 (1955-01-01), Batterson
Byers Nile C.
Yeager Robert D.
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