Patent ID: 6270191
Filing Date: 2001-08-07
Classification: B41J

Abstract:
An ink-jet recording head, comprising:a plurality of pressure generating chambers arranged at a predetermined pitch in at least one column for pressurizing ink by pressurizing means; anda nozzle plate in which a plurality of nozzle apertures, each of which communicates with a respective one of the pressure generating chambers, are formed, anda plurality of protective layers formed in predetermined shapes disposed according to a predetermined pattern, around said nozzle apertures, so that a part of a blade for cleaning the nozzle apertures of leavings of at least the ink, which comes in contact with said nozzle apertures when the blade is pressed on said nozzle plate, contacts the protective layers, and the blade moves in a direction of an open exhaust port disposed on a side of an end of said nozzle plate, such that the leavings are exhausted through the open exhaust port by movement of the blade.