Paper shredding device

Details Paper shredding device Paper shredding device

1997-04-14

1999-11-02

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

With automatic control

241100, 241224, 241236, B02C 1822

Patent

active

059754451

ABSTRACT:
An automatic paper shredder is capable of sequentially cutting up to 20 sheets of 20-lb bond paper, up to 9 inches wide. The device has adjustable holders for attachment to conventional wastebaskets of varying shapes. A feed tray holds the stack of paper. Upon selection of either manual (ON) or automatic (AUTO) operation of the machine, a single sheet of paper is fed into the machine by a roller as are subsequent sheets, if any. With the three-way switch set to AUTO, any sheets on the tray are detected by a sensor and are automatically fed into the machine for shredding. A plug-in motor contained in the housing of the machine drives a plurality of shafts for the feed roller and knife rollers. The knife rollers are configured to either shred the paper into about 3/8-inch wide strips or to cross-cut the paper into a plurality of smaller pieces.

REFERENCES:
patent: 3286574 (1966-11-01), Durand
patent: 3724766 (1973-04-01), Bosland
patent: 4685624 (1987-08-01), Nidiffer et al.
patent: 4815669 (1989-03-01), Fujii
patent: 4828188 (1989-05-01), Snyder
patent: 5295633 (1994-03-01), Kimbro et al.

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