| 摘要 |
PROBLEM TO BE SOLVED: To prevent a material in each of nozzles from thickening, and to prevent delivering variations among the nozzles from occurring. SOLUTION: This liquid delivering head is equipped with a plurality of pressure chambers 52 (52a and 52b) which communicate with a plurality of the nozzles 51 (51a and 51b) for delivering ink, respectively, and a common flow channel 55 which is shared with a plurality of the pressure chambers 52. Between the common flow channel 55 and a plurality of the pressure chambers 52, an ink supplying channel 56, which supplies the ink to the pressure chambers 52 from the common channel 55, and an ink circulation flow channel 57, which returns the ink to the common channel 55 from the pressure chambers 52, are arranged in each of the pressure chambers 52. An ink supplying port 560 and an ink circulation port 570, which are opened in the common channel 55, are arranged in positions in which differences among ink pressures in the ink supplying port 560 and the ink circulation port 570, communicating with the same pressure chamber 52, are set equal to one another in all the pressure chambers 52. COPYRIGHT: (C)2008,JPO&INPIT |
