Apparatus for finishing surfaces
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United States of America Patent
Stats
-
Sep 20, 1983
Grant Date -
N/A
app pub date -
Apr 17, 1981
filing date -
Apr 17, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for finishing a surface, e.g., for erasing line markings on a road, includes a rotor assembly rotatably mounted on a wheeled frame and including a rotor drivable to rotate about its own axis and a plurality of rotary scrapers mounted in angularly spaced relation on the rotor for free rotation about their own axes extending off center with respect to the axis of the rotor. A plurality of radial scraper tips are mounted circumferentially on each of the rotary scrapers for scraping contact with the surface to be finished. When the rotor assembly is driven, the rotary scrapers are caused to rotate due to frictional engagement with the surface, whereupon the scraper tips are forced to move in arcuate paths while in contact with the surface, to thereby scrape off portions of the surface.
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