Ink cartridge holding device having cap-covered switch

Details Ink cartridge holding device having cap-covered switch Ink cartridge holding device having cap-covered switch

1998-03-09

2000-04-18

Smith, Matthew S.

Incremental printing of symbolic information

Ink jet

Controller

347 86, B41J 29393

Patent

active

060506679

ABSTRACT:
An image printing apparatus has an ink cartridge detector device for detecting ink cartridges on a carriage. The detector device includes switches to be actuated by the ink cartridges. A protective cover having water-proof type elastic caps covers the switches to restrict ink having leaked from the ink cartridges from entering into the switches. The protective cover has an air vent which facilitates a deformation of the cap at the time of attachment of the ink cartridge to the carriage. The protective cover further has an absorbing member for absorbing the ink and a wall for restricting the ink from reaching to electric circuit parts provided near the switch.

REFERENCES:
patent: 4277791 (1981-07-01), Rosenstock et al.
patent: 5489754 (1996-02-01), Dirmeyer et al.
patent: 5671840 (1997-09-01), Glicksman
patent: 5788059 (1998-08-01), Jahangiri

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