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Seed furrow closing apparatus
专利权人:
Gregory W. Arnett
发明人:
Gregory W. Arnett,Thomas J. Evans
申请号:
US12649726
公开号:
US08333161B2
申请日:
2009.12.30
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A seed furrow closing wheel has a generally dish-shaped body defined by a central portion and a notched outer flange portion that circumscribes the central portion and projects obliquely outwardly from the plane thereof. The notched flange portion is configured to present a series of circumferentially spaced, non-radial, obliquely projecting teeth that function to fragment and squeeze together opposite sidewalls of the seed furrow when a pair of the wheels are rolled along opposite sides of the furrow outboard of the furrow itself, crumbling the sidewalls and covering the seeds.
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中国工程科技知识中心
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