Disc opener scraper with insert for straw wrap prevention, wear reduction and seed guidance, and welded slot-positioned wing member
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United States of America Patent
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Aug 6, 2019
Grant Date -
Oct 11, 2018
app pub date -
Apr 6, 2017
filing date -
Apr 6, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A unique scraper assembly for the disc of a furrow opener features an obstruction carried at inner side of the scraper body in a position trailing behind the leading scraper edge to prevent straw from accumulating in the space between the disc and scraper near the leading scraper edge, to block seed or other product delivered into the furrow from skipping forward into this space, to reduce wear on the leading scraper edge by increasing an area of pressured contact with the disc during side loading of the scraper, and/or provide lubricated contact with the disc to reduce rotational resistance during side loading. In some embodiments, the obstruction is defined by a separate insert of distinct material composition from the scraper. A discrete wing member is welded to the scraper at a pre-determined position thereon determined by fitting of the wing member into a mating slot in the scraper.
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