Anti-jam cutting knife for a paper shredder

Details Anti-jam cutting knife for a paper shredder Anti-jam cutting knife for a paper shredder

2011-07-12

2011-07-12

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Apparatus

With comminuting member cleaner or scraper

C241S236000

Reexamination Certificate

active

07975945

ABSTRACT:
An anti-jam knife device for a paper shredder is characterized in that a circular parting wheel is provided on a blade shaft and is closely adjacent to a guide-parting plate, with an outer diameter of the parting wheel being higher than a parting knife-edge at a bottom of a notch of the guide-parting plate. Therefore, when shredding plural pieces of paper, the paper is cut first by the guide-parting plate associated with the parting wheel, and is then shredded by plural original sets of blades to prevent from paper jam.

REFERENCES:
patent: 7637448 (2009-12-01), Hartnett et al.

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