发明授权
- 专利标题： Ink jet unit with cartridge having controlled ink flow
- 专利标题（中）： 具有可控油墨流量的墨盒的喷墨单元
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申请号： US08783796申请日： 1997-01-15
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公开(公告)号： US06286944B1公开(公告)日： 2001-09-11
- 发明人: Eiichiro Shimizu , Masami Ikeda , Naohito Asai , Tsutomu Abe , Toshio Kashino , Masahiko Higuma , Hitoshi Sugimoto , Hiroki Tajima
- 申请人： Eiichiro Shimizu , Masami Ikeda , Naohito Asai , Tsutomu Abe , Toshio Kashino , Masahiko Higuma , Hitoshi Sugimoto , Hiroki Tajima
- 优先权： JP5-120160 19930521; JP5-122619 19930525; JP5-209415 19930824; JP5-223685 19930908; JP5-245513 19930930; JP6-099927 19940513
- 主分类号： B41J2175
- IPC分类号： B41J2175
摘要：
An ink jet unit includes an ink jet head for ejecting ink; an ink cartridge for containing ink to be supplied to the ink jet head; an ink supply member for introducing the ink from the ink cartridge, provided in the ink jet head; a negative pressure generating material in the ink cartridge; an opening for permitting contact between the negative pressure generating material and in the ink supply member; wherein a gap is formed in the opening when the ink supply member is in contact with the negative pressure generating material.
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