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:
Jun. 19, 2001
Filed:
Nov. 01, 1999
Ken Hosaka, Yokohama, JP;
Fumiharu Nakamura, Costamesa, CA (US);
Taiji Yoshinari, Ninomiya-machi, JP;
Wataru Takahashi, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A storage container for sealingly carrying an ink jet recording head cartridge having an ink jet recording head having the discharge orifices for discharging the ink and a mounting portion for mounting an ink tank replaceably. The ink jet recording head cartridge comprises a storage tank, mounted on the mounting portion, having a negative pressure producing member accommodating chamber having a negative pressure producing member for producing the negative pressure, with an atmosphere communicating portion for communicating to the outside, and a sealed chamber having a communicating portion for communicating to the negative pressure producing member accommodating chamber and forming a sealed space from the outside, except for the communicating portion, with a sealing member for sealing the discharge orifices.