B - Operations – Transporting – 24 – B
Patent
B - Operations, Transporting
24
B
B24B 19/00 (2006.01) A01F 29/22 (2006.01)
Patent
CA 2353354
A chopper drum includes a plurality of knives distributed along its width and about its circumference. A grinding device is provided for automatically sharpening the knives, with a grinding stone of the grinding device having its movement automatically controlled by a microprocessor, which receives signals from an actual shape sensor and compares it with a stored desired shape and generates control signals, such that it shapes the profile of the chopper drum to at least approximate the desired shape.
Clauss Steffen
Johnson Stanley Jerome
Borden Ladner Gervais Llp
Deere & Company
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