Document shredder

Details Document shredder Document shredder

1978-11-17

1981-04-07

Goldberg, Howard N.

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

83500, 83664, B02C 1822, B02C 1844

Patent

active

042601150

ABSTRACT:
A document shredder having first and second rotary cutting disks alternatively arranged and held in shredding engagement with one another to shred waste material into strips, first spacer members disposed in first gaps formed between the first rotary cutting disks, and second spacer members disposed in second gaps formed between the second rotary cutting disks. The first stationary cutting members have cutting edges held in shredding engagement with outer peripheries of the second rotary cutting disks in the first gaps to cut the strips into chip fragments in the first gaps. The second spacer members have cutting edges held in shredding engagement with outer peripheries of the first rotary cutting disks in the second gaps to cut the strips into chip fragments in the second gaps.

REFERENCES:
patent: 1178386 (1916-04-01), Edwards
patent: 2770302 (1956-11-01), Lee
patent: 3960335 (1976-06-01), Haberle
patent: 4018392 (1977-04-01), Wagner

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