Solid material comminution or disintegration – Apparatus – With independent removable or detachable material receiver...
Patent
1988-12-23
1989-09-26
Eley, Timothy V.
Solid material comminution or disintegration
Apparatus
With independent removable or detachable material receiver...
241236, B02C 1800
Patent
active
048694355
ABSTRACT:
A portable pocket size paper shredder housing having a paper entrance slot on the front end with an enclosed trough leading to a pair of shredding rollers and an exit slot on the back end. A first shredding roller comprising a circular drive shaft covered with a compressible, fractional material. The second shredding roller having a plurality of thin circular cutting knives axially spaced on the drive shaft. The spacers being of a compressible frictional material. The first shredding roller having circumferential slots matching the edges of the cutting knives. The coacting shredding rollers coupled to an electric motor drive by associated gearing means.
REFERENCES:
patent: 3620461 (1971-11-01), Pelleschi
patent: 3894697 (1975-07-01), Lawson et al.
patent: 4192467 (1980-05-01), Hatanaka
patent: 4257565 (1981-03-01), Hatanaka
patent: 4700902 (1987-10-01), Yeomans
Pistorius Gary M.
Vrtol David A.
Eley Timothy V.
Massie Lewis E.
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