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    • 8. 发明授权
    • Ink jet recording apparatus
    • 喷墨记录装置
    • US07150519B2
    • 2006-12-19
    • US10078457
    • 2002-02-21
    • Takeshi KonoMitsuru KurataAkihiro YamanakaTakeaki ShimaTetsuto KageyamaItaru WatanabeHiroki TajimaToshihiro Sasaki
    • Takeshi KonoMitsuru KurataAkihiro YamanakaTakeaki ShimaTetsuto KageyamaItaru WatanabeHiroki TajimaToshihiro Sasaki
    • B41J2/175B41J2/165
    • B41J2/17513B41J2/175B41J2/17509B41J2/17596
    • An ink jet recording apparatus comprises a recording head including a discharge port for discharging ink, a first liquid chamber at the upstream side in the direction of ink flow toward the discharge port, and a second liquid chamber at the downstream side, an ink tank for containing ink to be supplied to the recording head, an ink supply tube for causing the ink tank to communicate with the recording head, a shut-off valve provided in the ink supply tube and opening or closing the ink supply tube, a cap for covering the discharge port; and a suction pump for forcedly discharging the ink in the recording head from the discharge port when the cap covers the discharge port. The shut-off valve is opened when the first and second liquid chambers are reduced to respectively desired pressures by the suction pump in a state where the cap covers the discharge port and the shut-off valve is closed, whereby the ink in the ink tank is supplied through the ink supply tube to the first and second liquid chambers.
    • 一种喷墨记录装置,包括一个记录头,该记录头包括一个用于排出墨水的排出口,一个在墨水方向上游侧的第一液体室朝向该排出口;以及一个在下游侧的一个第二液体室, 供给到记录头的墨水,用于使墨水罐与记录头连通的供墨管,设置在墨水供应管中的打开或关闭供墨管的切断阀,用于覆盖墨水的盖子 排放口; 以及当所述盖覆盖所述排出口时,用于从所述排出口强制地将所述记录头中的墨水排出的抽吸泵。 当盖子覆盖排出口并且截止阀关闭的状态下,当第一和第二液体室被吸入泵减小到分别期望的压力时,截止阀打开,由此墨水罐中的墨水 通过供墨管供给到第一和第二液体室。