The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 02, 1996
Filed:
Dec. 23, 1993
Applicant:
Inventor:
Akira Miyakawa, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
347 85 ;
Abstract
An ink refilling apparatus for loading ink into a recording ink cartridge having an ink discharging outlet, and an air vent for communication with ambience includes a filling ink cartridge for containing ink to be used for refilling the recording ink cartridge; a pressure controller having a first pressure controlling portion for controlling a pressure of the ink outlet and a second pressure controlling portion for controlling a pressure of the air vent; pressure a transmitter for transmitting a pressure variation of the second pressure controlling portion to the filling ink cartridge.