Device for the destruction of microfilm and similar data carrier

Details Device for the destruction of microfilm and similar data carrier Device for the destruction of microfilm and similar data carrier

1980-10-17

1982-10-26

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

241241, 241243, B02C 1818

Patent

active

043557660

ABSTRACT:
A device for the destruction of microfilm and similar data carriers by shredding, the shredding cutter having a cutting edge configuration of zigzag outline with alternatingly missing teeth, offset between successive cutting edges, the data carrier feeding unit including side-by-side O-ring belts on guide rolls with forwardly biased guide pins therebetween and/or side-by-side feeding wheels on a driven shaft and separately supported forwardly biased data carrier guide tongues, for positive guidance of the data carrier material to the cutting station.

REFERENCES:
patent: 2669271 (1954-02-01), Treckmann
patent: 3545686 (1970-12-01), Brown
patent: 3545689 (1970-12-01), Luscombe
patent: 3779123 (1973-12-01), Chafee

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