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:
Feb. 24, 2015
Filed:
Jul. 07, 2014
Ryohta Yoneta, Tokyo, JP;
Ryohta Yoneta, Tokyo, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A liquid ejection head includes nozzles ejecting liquid droplets; individual liquid chambers in communication with the nozzles; liquid supply paths in communication with the individual liquid chambers; a common liquid chamber storing liquid to be supplied to the liquid supply paths; filter members disposed between the common liquid chamber and the respective liquid supply paths, the filter members including filter regions to filter the liquid; and one or more dividing wall sections, each disposed between the liquid supply paths. Further, the filter region of the filter member is bonded to the one or more dividing wall sections and the outer peripheral parts with adhesive and the filter region of the filter member is bent in a direction opposite to a direction in which liquid flows from the common liquid chamber to the liquid supply paths.