SHREDDING MACHINE

A shredding machine for domestic or office use having a feed passage 3 leading to a cutting mechanism 10, 11 powered by an electric motor, has a thickness measuring device 15 for measuring the thickness of bundles of paper fed through the feed passage and the machine is controlled by a microprocesso...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Aries Paul A, Sawford Michael D
Format:	Patent
Sprache:	eng
Schlagworte:	CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MILLING GRAIN PERFORMING OPERATIONS PHYSICS PREPARATORY TREATMENT OF GRAIN FOR MILLING TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	A shredding machine for domestic or office use having a feed passage 3 leading to a cutting mechanism 10, 11 powered by an electric motor, has a thickness measuring device 15 for measuring the thickness of bundles of paper fed through the feed passage and the machine is controlled by a microprocessor which receives signals from the thickness measuring device and prevents the cutting mechanism from being energised if the thickness measured is above a threshold determined by the microprocessor. The thickness gauging device is deactivated during shredding until the material is shredded so that rippling or flapping of the material within the feed passage will not cause false readings as to the amount of material inserted into the feed passage.