Combine blade sharpening apparatus

Details Combine blade sharpening apparatus Combine blade sharpening apparatus

1987-07-23

1989-04-18

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 98HK, 76 891, B24B 700

Patent

active

048214582

ABSTRACT:
A sharpening apparatus for sharpening the cutting edges of combine blades. The apparatus includes a base with a table adjustably positioned thereon. The table may be moved transversely and longitudinally with respect to the base. A combine blade assembly may be clamped to the table, and the table has a V-notch in one side thereof which is aligned with opposite cutting edges of a pair of adjacent blades. A plurality of progressively larger cutting wheels are mounted to the shaft of an electric motor. The electric motor may be pivoted with respect to the table between a cutting position in which the cutting wheels engage the opposite edges of the adjacent blades and a free position spaced therefrom. The cutting wheels cut a plurality of spaced, transverse slots in the edges of the adjacent blades. The slots provide new cutting surfaces for cutting grain when the blade assembly is remounted on the combine.

REFERENCES:
patent: 342789 (1886-06-01), Fenton
patent: 1667064 (1928-04-01), Yerkey

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