Ink cartridge and a connection mechanism of an ink cartridge

Details Ink cartridge and a connection mechanism of an ink cartridge Ink cartridge and a connection mechanism of an ink cartridge

1998-05-22

2000-03-07

Tran, Huan

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

B41J 2175

Patent

active

060330627

ABSTRACT:
The ink supplying port of the ink cartridge is shielded by an elastic film having a plurality of holes of a size that ink cannot pass therethrough without extending the film. On the ink cartridge connecting portion, a pressure member is provided which, under the condition that the ink supplying port is attached to the ink cartridge connecting portion, pressurizes and extends the elastic film to enlarge the holes to the size that ink is able to pass therethrough and to supply the ink in the ink cartridge to the ink cartridge connecting portion. With such an arrangement, when the ink cartridge is accommodated in the accommodating space of the carriage, the elastic film is pressurized by the pressure member to supply ink. In a state that the ink cartridge is detached, the elastic film is not extended, and thus permeation of ink is prevented.

REFERENCES:
patent: 5821965 (1998-10-01), Oda et al.

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