Grinding device for drum-type chopper

Details Grinding device for drum-type chopper Grinding device for drum-type chopper

1986-10-07

1988-05-24

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Combined or convertible

51249, B02C 1816, B24B 1900

Patent

active

047460741

ABSTRACT:
In a drum type chopper, a drum, rotatable about a stationary axis, mounts cutters which co-act with a counter knife in effecting a chopping action. A cylindrical grinding wheel is positioned to sharpen the cutters on the drum. The grinding wheel is movable between a rest position and a grinding position relative to the cutters. The grinding wheel has an axial length corresponding approximately to the axial length of the drum. Further, during the grinding operation, the grinding wheel is rotated and reciprocated relative to the same axis.

REFERENCES:
patent: 2848030 (1958-08-01), Rudszinat
patent: 3479776 (1969-11-01), Berg
patent: 3958766 (1976-05-01), Shriver

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