SHREDDER WITH SAFE MOUTH Russian patent published in 2010 - IPC B02C23/04 D21B1/32 

FIELD: production processes.

SUBSTANCE: invention refers to shredder with various devices sensible to penetration or possibility of penetration of undesired objects to intake opening. Shredder contains: casing; mechanism of shredder located in this casing containing electrically driven motor and cutter elements, and it provides supply of at least one document with data chosen from group including paper, optical disks, floppy disks. Mentioned motor is designed to actuate cutter elements so that they shred at least one supplied document; mentioned casing is provided with hole made in order to ensure supply of at least one document with data through it to cutter elements of shredder mechanism for shredding; and shredder additionally contains sensor with electroconductive sensing element which is located, at least partially, near mentioned hole and is designed to detect presence of man or animal, but not presence of at least one document with data near mentioned hole based on detection by sensing element of own electrical characteristic of man or animal; and controller designed to be capable of shutdown of cutter elements in response to detected presence of man or animal.

EFFECT: invention increases reliability of shredder operation.

103 cl, 15 dwg