DISC FOR AN AGRICULTURAL IMPLEMENT |
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| 申请号 | EP10780889 | 申请日 | 2010-05-27 | 公开(公告)号 | EP2434860A4 | 公开(公告)日 | 2014-03-19 |
| 申请人 | VAEDERSTAD VERKEN AB; | 发明人 | STARK CRISTER; | ||||
| 摘要 | 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°. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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