Shredding machine

Details Shredding machine Shredding machine

1989-08-07

1991-05-21

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Series material flow only through plural comminuting zones

241236, 241241, 241242, 241293, B02C 1808

Patent

active

050168282

ABSTRACT:
A shredding machine has a rotary cutter and a fixed cutter. The rotary cutter includes a cutter part with a spiral cutting edge and a flute, and a column part for rotatably holding by a holding member for rotation of the rotary cutter. The fixed cutter has a cutting edge contacting with the cutter part of the rotary cutter. In rotating the rotary cutter, longitudinal slips of documents are fed between the cutters so that the documents enter the flute of the rotary cutter to cut the slips into chips by cooperation between the cutting edge of the rotary cutter and the cutting edge of the fixed cutter.

REFERENCES:
patent: 385342 (1888-07-01), Creager
patent: 1302398 (1919-04-01), Mangini
patent: 1756450 (1930-04-01), Black
patent: 2985211 (1961-05-01), Letz
patent: 3620461 (1971-11-01), Pelleschi
patent: 3682402 (1972-08-01), Goldhammer
patent: 4018392 (1977-04-01), Wagner
patent: 4062500 (1977-12-01), Peterson, Jr.
patent: 4124169 (1978-11-01), Hatanaka
patent: 4192467 (1980-03-01), Hatanaka
patent: 4231530 (1980-11-01), Haranaka
patent: 4261523 (1981-04-01), LaPointe
patent: 4619407 (1986-10-01), Goldhammer
patent: 4821967 (1989-04-01), Moriyama

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