DEVICE FOR GRINDING OF COMPACT DISCS WITH CONFIDENTIAL INFORMATION Russian patent published in 2016 - IPC B02C18/28 

FIELD: recycling.

SUBSTANCE: invention relates to solid materials disposal and can be used in devices for destruction and/or grinding optical CD and DVD compact discs. Proposed grinding device comprises a housing, a unit for connecting a motor to an AC mains at industrial frequency, a cutter connected with motor shaft, chips and dust collection system, vertical guide box with a longitudinal slot and a detachable pusher with a protrusion. Detachable pusher is installed inside vertical guide box with possibility of movement of protrusion of pusher along long slot. Cutter is cylindrical, and its working longitudinal surface with cutting teeth is coupled with output slit of vertical guide box. Internal dimensions of vertical box correspond to overall dimensions of compact disc being destroyed with possibility of free vertical movement of compact disc inside vertical guide box under weight of detachable pusher.

EFFECT: proposed device enables to reduce time of destruction of compact discs with visual inspection of grinding process.

1 cl, 1 dwg