Patent ID: 6571698
Filing Date: 2003-06-03
Classification: B41C,B41L

Abstract:
A master making and feeding device for a printer, comprising:first conveying means including a rotatable platen roller for pressing a stencil between master making means and said platen roller to thereby thermally perforate said stencil, and conveying said perforated stencil to a downstream side in a direction of stencil conveyance; second conveying means arranged between said first conveying means and a print drum, around which the perforated stencil is to be wrapped around, for conveying said perforated stencil conveyed by said first conveying means toward said print drum; and conveyance drive means for driving, at a preselected timing during or after a perforation of the stencil effected by said first conveying means, said second conveying means to thereby feed a leading edge of the perforated stencil to the print drum, and driving second conveying means such that said second conveying means conveys said perforated stencil at a higher speed than said first conveying means, wherein said first conveying means comprises a first drive source while said second conveying means comprises a second drive source implemented by a pulse-drive motor, and wherein a stencil conveying speed of said first conveying means and a stencil conveying speed of said second conveying means both are variable, and wherein said master making means is movable into and out of contact with said platen roller, wherein said first conveying means further comprises moving means for moving said master making means into and out of contact with said platen roller, and wherein said second conveying means is driven for the preselected period of time during or after a contact of said master making means with said platen roller, but just before a perforation of the stencil.