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.:

US 7946696 B1

PDF
Full Text
Expired
Date of Patent:
May. 24, 2011

Filed:

Oct. 31, 2007
Applicant:

Hiroyasu Yano, Nagoya, JP;

Inventor:

Hiroyasu Yano, Nagoya, JP;

Assignee:

Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
Abstract

An ink supply system includes an ink cartridge and an cartridge accommodating portion. An ink cartridge includes a cartridge case forming an ink chamber, an ink supply portion, and an air intake portion. The cartridge case includes a front face, a rear face opposite the front face, and a particular face connected to each of the front face and the rear face. The particular face has an opening formed therethrough. The ink supply portion is positioned at the front face and configured to supply ink. The air intake portion is configured to introduce air from the outside of the ink cartridge to the ink chamber. The air intake portion includes a valve, a valve seat, an urging, and an operation member. The cartridge accommodating portion has an accommodating chamber having a wall contacting an operation member.


Find Patent Forward Citations

Yano, Hiroyasu. (2011). Ink cartridges and ink supply systems (U.S. Patent No. 7946696). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7946696

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…