Patent ID: 6059403
Filing Date: 2000-05-09
Classification: B41J

Abstract:
An ink cartridge for use with an associated print head in an ink-jet printer, the ink cartridge comprising:a housing enclosing a reservoir for containing ink and including a bottom wall, a first wall, and a second wall;an opening formed in the first wall adapted for discharging the ink from said reservoir; and,a pump for pumping air into the reservoir and being molded integrally with the second wall, the pump including a depressible cover hinged to the second wall and projecting at an angle outwardly of the second wall, the pump including a folding bellows formed in a U-shape surrounding the depressible cover and including two leas terminating at the second wall, the bellows connecting the cover with the second wall and extending at an incline relative to the second wall.