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:
Jul. 12, 2016
Filed:
Jul. 20, 2015
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Yuji Kanome, Yokohama, JP;
Hiroyuki Saito, Yokohama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/165 (2006.01); B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
B41J 2/16508 (2013.01); B41J 2/1652 (2013.01); B41J 2/16523 (2013.01); B41J 2/17596 (2013.01);
Abstract
To provide an inkjet printing apparatus that can suppress influence by a backflow of the fluid flowing from the pump to the cap. An inkjet printing apparatus includes: an inkjet printing head including an ejection opening face formed with an ejection opening; a cap being capable of sealing the ejection opening face; a tube pump connected with the cap and configured to be able to generate a negative pressure inside of the cap; and a buffer member provided between the cap and the tube pump and having a volume being capable of storing a fluid flowing from the tube pump to the cap.