发明授权
- 专利标题： Ink tank cartridge
- 专利标题（中）： 墨盒墨盒
-
申请号： US08289209申请日： 1994-08-12
-
公开(公告)号： US06179415B2公开(公告)日： 2001-01-30
- 发明人: Takeshi Okazaki , Masami Ikeda , Tsutomu Abe , Toshio Kashino , Masahiko Higuma , Hiroki Tajima , Hiroyuki Ishinaga , Yoichi Taneya
- 申请人： Takeshi Okazaki , Masami Ikeda , Tsutomu Abe , Toshio Kashino , Masahiko Higuma , Hiroki Tajima , Hiroyuki Ishinaga , Yoichi Taneya
- 优先权： JP5-205224 19930819; JP6-182828 19940711
- 主分类号： B41J2175
- IPC分类号： B41J2175
摘要：
An ink-tank cartridge has a first storage chamber housing a negative pressure generating member and having an atmosphere communicating portion communicated with the atmosphere, a second storage chamber in substantially enclosed condition and communicated with the first storage chamber only through a fine communicating portion located remote from said atmosphere communicating portion, and directly storing an ink to be supplied to the first storage chamber, the second storage chamber being arranged adjacent the first storage chamber; and an enclosed ink storage portion only communicated with the second storage chamber and located at respective side surfaces of the first and second storage chambers. The bottom surface of the enclosed ink storage portion is located at higher position than the bottom surface of the first and second storage chambers.