Solid material comminution or disintegration – Processes – Miscellaneous
Patent
1989-02-10
1990-02-27
Rosenbaum, Mark
Solid material comminution or disintegration
Processes
Miscellaneous
241167, 241222, 241235, 241242, B02C 1816
Patent
active
049039008
ABSTRACT:
A paper shredder for accommodating paper of varying stacks of thickness bound together with staples and the like. A pair of low speed feed rollers are disposed within the device for engaging the paper and for moving the paper into a contoured throat which guides the paper into a primary brush assembly having a set of wire bristles that are rotating at a very high rate of speed. As the paper makes contact with the wire bristles, the paper is pulled along the throat, and simultaneously shredded as it is pulled into the shredding chamber. A stationary wire brush assembly is mounted within the shredding chamber includes a set of long wire bristles that permits the bristles of the two brush assemblies to mesh so that as the bristles of the primary brush assembly are rotated they mesh with the bristles of the stationary brush assembly thereby discharging the shredded paper bits, staples, paper clips and other objects that become lodged in the primary brush bristles the shredding chamber.
REFERENCES:
patent: 3346197 (1967-10-01), Sagar
patent: 3545689 (1970-12-01), Luscombe
patent: 4200239 (1980-04-01), Simone et al.
patent: 4773603 (1988-09-01), Schwelling
patent: 4817877 (1989-04-01), Itoh et al.
Kleinke Bernard L.
Potts Jerry R.
Rosenbaum Mark
Waters William Patrick
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