(under the class definition) Apparatus wherein an implement mounting a scraper blade is adapted to be connected at its forward end to a towing vehicle and includes a rolling support device (i.e., a wheel).
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4.5, for a scraper which is automatically power-controlled for leveling.
26.5+, for a dragline scraper.
72, for a driven tool followed by a leveling drag or furrow shaper.
189, and 612, for flexible implements including flexible matlike drags.
197, and 199+, for diverse tools, one of which comprises a drag or smoother. 445.1+, for a scraper mounted on a frame which is supported on the rear of a vehicle by a three-point hitch.
684.5, for a dragged scraper on a supporting frame.
777+, for a scraper supporting a narrow depending tool.
779, for a scraper whose position is controlled by a linkage for leveling.
780, and 781+, for a scraper between front and rear vehicle supports.