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US 5,285,724 AGranted
Ink scraper for a stencil printer
AssigneeRicoh Company, Ltd.
InventorsKazuyosi Kobayasi, Tomoya Otomo, Mitsuo Sato
Life of this patent
Estimating the term…
Abstract
A printer for printing a stencil image on a sheet is provided having a scraper which prevents ink from flowing axially outward beyond the ink supply roller. The scraper can be connected to a plate which supports the ink supply roller and preferably includes a portion extending toward and/or contacting the ink supply roller.
Claims5
A printer for printing out an image formed in a stencil on a sheet, comprising:
- a rotatable drum comprising a hollow cylindrical support including an apertured portion which is formed with a number of apertures and a non-apertured portion, a stencil being wrapped around an outer periphery of said support;
- clamp means provided on said non-apertured portion of said support for clamping one edge of said stencil wrapped around said support;
- ink supply roller means disposed in said support for supplying ink to said stencil via said apertured portion of said support;
- press roller means for pressing a sheet against said stencil;
- and
- ink scraper means located at an inlet side of said ink supply roller means for scraping ink deposited on an inner periphery of said drum;
- said printer further including a side plate supporting said ink supply roller means, said ink supply roller means including a side and wherein one end of said ink scraper means is affixed to the side plate which supports said ink supply roller means, and a second end of said ink scraper means extends in a direction toward an outlet side of said ink supply roller means, said second end of said ink scraper means including a tip, said ink scraper means contacting said side of said ink supply roller means at said tip of said second end.
4 more elements
A printer for printing out an image formed in a stencil on a sheet, comprising:
- a rotatable drum comprising a hollow cylindrical support including an apertured portion which is formed with a number of apertures and a non-apertured portion, a stencil being wrapped around an outer periphery of said support;
- clamp means provided on said non-apertured portion of said support for clamping one edge of said stencil wrapped around said support;
- ink supply roller means disposed in said support for supplying ink to said stencil via said apertured portion of said support;
- press roller means for pressing a sheet against said stencil;
- and
- ink scraper means located at an inlet side of said ink supply roller means for scraping ink deposited on an inner periphery of said drum;
- said printer further including a side plate supporting said ink supply roller means wherein said ink scraper means is affixed to the side plate which supports said ink supply roller means, and wherein a portion of said ink scraper means extends parallel to the side plate, an end of said ink scraper means contacting an end of said ink supply roller means.
4 more elements
A printer for printing an image on a sheet comprising:
- a rotatable drum comprising a hollow cylindrical support including an apertured portion which is formed with a plurality of apertures and a non-apertured portion, a stencil being wrapped around an outer periphery of said support;
- clamp means provided on said non-apertured portion of said support for clamping one edge of said stencil wrapped around said support;
- an ink supply roller disposed in said support for supplying ink to said stencil via said apertured portion of said support;
- a side plate for supporting said ink supply roller, wherein said ink supply roller is journaled in said side plate;
- a scraper mounted upon said side plate, said scraper including a first portion located at an inlet side of said ink supply roller for scraping ink deposited on an inner periphery of said drum, wherein said scraper is connected to said side plate at said first portion, said scraper further including a second portion extending under said side plate and toward said ink supply roller.
2 more elements
Dependencies are inferred from the claim text.