Retractable mechanical hogback device

Details Retractable mechanical hogback device Retractable mechanical hogback device

E - Fixed Constructions

01

C

E01C 11/00 (2006.01)

Patent

CA 2041673

ABSTRACT The present invention relates to hogbacks of the type installed on roads in order to limit the speed of vehicles and, more particularly to hogbacks of this type that can be mechani- cally retracted to present a generally flat road surface.

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