Patent ID: 6578480
Filing Date: 2003-06-17
Classification: B41F,B41P

Abstract:
Equipment for driving plate cylinders of a printing machine furnished with a Direct Imaging System, the plate cylinders being coupled on the one hand with a central drive unit by means of a driving gear wheel assembly with disengageable coupling means and on the other hand with an auxiliary drive unit, characterised in, that the plate cylinder (1) is at one end accommodated in a bearing (27) of a print unit side wall (4) by means of a carrier (3) which is axially shiftably seated at a neck (2) of the plate cylinder (1) and is in a direct engagement with the plate cylinder (1), the carrier (3) being coupled with the auxiliary drive unit (23) by means of a belt drive and with an output wheel (6) of the gear wheel assembly by means of an electrically operated clutch (7), the clutch (7) engaging with the output wheel (6) and a driven pulley (8) of the belt drive.