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:
Mar. 21, 2006
Filed:
Nov. 18, 2003
Applicants:
Hiroshi Netsu, Kanagawa, JP;
Junji Shimoda, Kanagawa, JP;
Toshihiko Ujita, Kanagawa, JP;
Hideaki Okamoto, Kanagawa, JP;
Inventors:
Hiroshi Netsu, Kanagawa, JP;
Junji Shimoda, Kanagawa, JP;
Toshihiko Ujita, Kanagawa, JP;
Hideaki Okamoto, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ink reservoir () has a plurality of thin bodies () provided in a housing () at gaps from each other. Ink in the housing () is held by a capillary force generated by the thin bodies (). An ink guide portion () which is set at a gap between one end of the liquid ink () and an inner wall of the housing () is provided so that a capillary force in the vicinity of an ink supply port () is larger than that of the liquid reservoir ().