#$%^&*AU2009201246B220140424.pdf#####OPENER DISK BLADE SCRAPER HINGE GEOMETRY TO MAINTAIN CONTACT WITH DEFLECTED DISK BLADE Abstract of the Disclosure 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. 18346 9Deformation, m M20 3.7818 e - 5 7.5635e -5 * * 0.00011345 0.00015127 0.00018909 Fig. 1 0.00022691 0.0002647 ,2 0.00030254 0.00034036 Max 34 30 26 10 18 16 14 20 p32 24 28 Fig. 2
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