发明名称 OPENER DISK BLADE SCRAPER HINGE GEOMETRY TO MAINTAIN CONTACT WITH DEFLECTED DISK BLADE
摘要 An agricultural machine includes a disk blade assembly having a hub and a disk blade mounted to the hub. The hub has a perimeter. The disk blade is deflectable by ground forces in an area outside of the hub. A scraper assembly includes a mount, a scraper blade, and a hinge pivotally interconnecting the scraper blade with the mount. The hinge has an axis of rotation which passes through a point generally at or near a bottom of the hub perimeter, and generally coincident with the disk blade.
申请公布号 US2009255697(A1) 申请公布日期 2009.10.15
申请号 US20090405487 申请日期 2009.03.17
申请人 FRIESTAD MICHAEL E 发明人 FRIESTAD MICHAEL E.
分类号 A01B15/16 主分类号 A01B15/16
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