Disc for an agricultural implement
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United States of America Patent
Stats
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Aug 18, 2015
Grant Date -
May 3, 2012
app pub date -
May 27, 2010
filing date -
May 29, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention refers to a disc (8) for an agricultural implement (1) comprising an annular, outside a predetermined center diameter (D) defined, soil-cultivating portion (44), a central, inside a predetermined center diameter (d) defined, dish-shaped portion (43), with a boss-receiving, inner side and between these portions an existing, annular connection portion (45) with fastening screw holes (46). The connection portion (45) is a truncated conical portion, the inner mantle surface of which is mainly straight or double-bowed with the convex side facing said inner side and a line through the opening plane in the hole opening of each fastening screw hole on said inner side forms an angle α with a plane that is perpendicular to the center line of the disc, wherein the angle α is 5°-10°.
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