Apparatus for shredding documents

Details Apparatus for shredding documents Apparatus for shredding documents

1983-03-28

1985-12-17

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

241243, 241295, B02C 1816

Patent

active

045588279

ABSTRACT:
A document shredder having a rotary cutter with axially extending rows of teeth, each row having alternating teeth of different heights. The heights of the teeth are selected such that the difference in the heights of the teeth is greater than the height of the smaller teeth. This relationship ensures breaking up of the document into small shreds and allows the cutter to be driven at low speeds, thereby reducing the power requirements and the noise level.

REFERENCES:
patent: 2297782 (1942-10-01), Krider
patent: 2335515 (1943-11-01), Jehle
patent: 2655213 (1953-10-01), Anderson
patent: 2669271 (1954-02-01), Treckmann
patent: 4200239 (1980-04-01), Simone et al.
patent: 4355766 (1982-10-01), Wigand
patent: 4394983 (1983-07-01), Ulsky

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