Paper shredder and method of making the same

Details Paper shredder and method of making the same Paper shredder and method of making the same

1985-11-22

1987-08-25

Eley, Timothy V.

Solid material comminution or disintegration

Apparatus

With comminuting member cleaner or scraper

29440, 241236, B02C 1800

Patent

active

046887300

ABSTRACT:
A paper shredder cutting mechanism includes two parallel-spaced, cooperating rotary knife rollers formed of a core and an axial series of generally equidistantly spaced cutter discs affixed to the core and extending radially therefrom. The cutter discs of the two knife rollers are in an interleaving relationship with one another. Strippers are disposed between adjoining cutter discs of each knife roller and are stationarily supported. Each stripper comprises a flat, planar body having a general shape of a U lying in a plane oriented perpendicularly to the rotary axis of the associated knife roller. The planar body has two leg parts forming legs of the U and a base part forming a base of the U interconnecting the leg parts. The base part defines a cradle portion receiving the core therein. The leg parts have end portions which are remote from the base part and at which the stripper is supported. Each stripper has a bending zone situated remotely from the end portions of the leg parts and being of reduced cross-sectional area. The leg parts are bent about the bending zone to circumferentially substantially fully surround the associated core.

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