Patent ID: 6120140
Filing Date: 2000-09-19
Classification: B41J

Abstract:
An ink jet apparatus comprising:an ink container for containing ink;an ink ejector for ejecting the ink; anda filtering device between said ink container and said ink ejector for providing an ink flow passage for fluid communication between said ink container and said ink ejector, said filtering device comprising:a filter chamber having a generally trapezoidal section taken along a plane inclined with respect to a horizontal plane, wherein the trapezoidal section has a short side at a vertically upper position and a long side at a vertically lower position, said filter chamber having a top wall at the short side,a liquid inlet to said filter chamber, provided adjacent to the long side,a liquid outlet from said filter chamber, provided adjacent to the short side, anda filter in said filter chamber extending substantially along the inclined plane, said ink outlet being provided with a top end and which extends without step portion from said top wall.