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 8322837 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 04, 2012

Filed:

Mar. 10, 2011
Applicant:

Kenichi Kitamura, Shiojiri, JP;

Inventor:

Kenichi Kitamura, Shiojiri, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/18 (2006.01); B41J 2/235 (2006.01);
U.S. Cl.
CPC ...
Abstract

A liquid ejecting apparatus comprising: a liquid reservoir unit, a liquid ejection head, a supply channel, a collecting channel; and a first pressure applied to the downstream side of the valve member in the circulation channel by the suction pump is larger than a second pressure on the downstream side of the valve member in the circulation channel required for causing the film to act so that the valve member opens the circulation channel, and a sum of a waterhead pressure determined by the height from the liquid reservoir unit to the circulation channel opened and closed by the valve member provided in each of the circulation channel and the first pressure is smaller than the second pressure.


Find Patent Forward Citations

Kitamura, Kenichi. (2012). Liquid ejecting apparatus (U.S. Patent No. 8322837). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8322837

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

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