Patent ID: 6135023
Filing Date: 2000-10-24
Classification: B41L

Abstract:
A stencil printing machine, comprising:a printing drum having a flexible ink-permeable peripheral wall adapted to receive a perforated stencil sheet around an outer circumferential surface thereof, said printing drum being rotated around a central axis thereof,a squeegee roller having an axis and situated inside said printing drum to be parallel to said central axis of said printing drum, said squeegee roller being rotated around said axis in synchronization with rotation of said printing drum with an outer circumferential surface thereof contacting an inner circumferential surface of said printing drum,a pair of bearing members attached to end portions of said axis of said squeegee roller for rotationally supporting said axis,a doctor roller having an axis and situated parallel to said squeegee roller at a predetermined distance away from said outer circumferential surface of said squeegee roller,a pair of adjusting screws situated perpendicular to said axis of said squeegee roller and fixed to said pair of bearing members, said pair of adjusting screws supporting said axis of said doctor roller so that said axis of said doctor roller is movably supported,a pair of worm wheels engaging said pair of adjusting screws, and respectively,a pair of worm gears connected together and engaging said pair of worm wheels, respectively, so that when said pair of worm gears is rotated, said pair of worm wheels is rotated simultaneously.