Chopping device

Details Chopping device Chopping device

1993-12-15

1994-12-20

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

With comminuting member cleaner or scraper

241235, 241236, 241242, B02C 1822

Patent

active

053739981

ABSTRACT:
The chopping device includes a rotary cutting tool having peripheral cutting teeth with gaps between the teeth, which cooperates with an opposing knife element to chop up a workpiece and a clearing device which enters into the gaps between the teeth during operation to remove chopped up pieces of the workpiece from the gaps. To provide an economical and strong chopping device the opposing knife element and the clearing device are provided with a single rotatably driven counter tool. The single counter tool has a rotation axis parallel to the rotation axis of the cutting tool and displaced radially from it, a rotation direction opposite to that of the cutting tool and a rotation speed which is maintained in a fixed relationship to that of the cutting tool. The counter tool has at least one protruding cutting arm, which is formed so that the cutting arm tip rotates toward a cutting tool tooth and into the gap that proceeds that cutting tool tooth in a cutting tool rotation direction and nearly slides along the contour of cutting tool in that gap.

REFERENCES:
patent: 98757 (1870-01-01), Garretson
patent: 1032132 (1912-07-01), Gormley
patent: 4401279 (1983-08-01), Devita et al.
patent: 4410144 (1983-10-01), Imperi
patent: 5201475 (1993-04-01), Nakagomi
patent: 5226607 (1993-07-01), Karg

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