Sharpener for self-sharpening feed chopping knives

Details Sharpener for self-sharpening feed chopping knives Sharpener for self-sharpening feed chopping knives

1979-06-07

1981-01-27

Simpson, Othell M.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

B24B 336

Patent

active

042467292

ABSTRACT:
An improved sharpener for self-sharpening feed chopping knives used in cutting crops, forage, ensilage and the like. The sharpener may be lowered on top of the chopping knives so that the knives are continuously sharpened during the cutting operation. The stone may be pivoted out of the chopping box when the knives have been sharpened to prevent a sharpening stone mounted on the sharpener from being exposed to potential breakage from foreign material received inside a chopper box containing the knives mounted on a rotating cutter head.

REFERENCES:
patent: 2476177 (1949-07-01), Bloom et al.
patent: 3059384 (1962-10-01), McClellan
patent: 4031670 (1977-06-01), Murphy

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