发明授权
- 专利标题： Ink cartridge
- 专利标题（中）： 墨盒
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申请号： US292198申请日： 1994-08-19
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公开(公告)号： US5742309A公开(公告)日： 1998-04-21
- 发明人: Hiroki Tajima , Masami Ikeda , Tsutomu Abe , Toshio Kashino , Masahiko Higuma , Takeshi Okazaki
- 申请人： Hiroki Tajima , Masami Ikeda , Tsutomu Abe , Toshio Kashino , Masahiko Higuma , Takeshi Okazaki
- 申请人地址： JPX Tokyo
- 专利权人： Canon Kabushiki Kaisha
- 当前专利权人： Canon Kabushiki Kaisha
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX5-206302 19930820
- 主分类号： B41J2/175
- IPC分类号： B41J2/175
摘要：
An ink cartridge for supplying ink to a recording head includes a vacuum producing material accommodating portion for accommodating a vacuum producing material; an ink containing portion for containing ink, adjacent the material accommodating portion, with which the ink containing portion is in fluid communication through an opening at a bottom portion; an ink supply opening for permitting supply of the ink, in the material accommodating portion; an inward projection in the ink containing portion; and the projection is not less than 0.2 mm away from a boundary between the material accommodating portion and the ink containing portion.
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