Rotary chopping cylinder type forage harvester having means for

Details Rotary chopping cylinder type forage harvester having means for Rotary chopping cylinder type forage harvester having means for

1980-06-30

1982-03-30

Parker, Roscoe V.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

56250, A01D 7508, B24B 342, B24B 1900

Patent

active

043217737

ABSTRACT:
A forage harvester for harvesting crops and reducing them to forage by means of a rotary chopping cylinder which has a plurality of blades around its periphery which cooperate with a shear bar carried on the frame of the harvester. A sharpening device is provided above the cylinder for sharpening the cylinder blades and brackets are also provided for mounting the shear bar when it is to be sharpened, above the cylinder so that the same sharpening device that is used to sharpen the blades of the cylinder can also be used to sharpen the shear bar. Bracket mounting structure is provided for the shear bar to ensure that it is sharpened at the proper angle.

REFERENCES:
patent: 2245968 (1941-06-01), Erdman
patent: 3724139 (1973-04-01), Leverenz
patent: 3863403 (1975-02-01), Fleming
patent: 4055309 (1977-10-01), Fleming

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