Patent ID: 6220155
Filing Date: 2001-04-24
Classification: B41C

Abstract:
A stencil making device, comprising:supporting means for rotatably supporting a rolled stencil sheet;perforating means for perforating said stencil sheet conveyed from said supporting means to form an image therein;a pair of rollers disposed between said supporting means and said perforating means to hold said stencil sheet therebetween, said rollers being rotated only when the stencil sheet is pulled outwardly;torque applying means attached to one of said rollers to apply a predetermined torque to said roller when said roller rotates so that when the rolled stencil sheet is pulled outwardly between the pair of rollers, the predetermined torque is applied to the stencil sheet;a frame for rotationally supporting the pair of rollers, said pair of rollers with the torque applying means being rotated only by the stencil sheet pulled outwardly; andan intermediate roller vertically movably situated between the perforating means and the pair of rollers, said intermediate roller being disposed on the stencil sheet held between the perforating means and the pair of rollers to provide a tension by its own weight when the stencil sheet is pulled outwardly.