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. 01, 2000
Filed:
Jul. 30, 1998
Applicant:
Inventors:
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
347 92 ;
Abstract
An ink jet recording head is disclosed. The recording head comprises a reservoir for storing ink which is supplied into a plurality of pressure generating chambers arranged in a first direction, a slit-shaped air bubble guide groove communicated with the reservoir and extending in the first direction, an ink supply member communicating the air bubble guide groove with the pressure generating chambers, pressure generation unit for generating pressure to be applied to the ink in the pressure generating chambers, and a nozzle plate in which nozzle orifices in communication with the pressure generating chambers are formed for ejecting the ink pressurized by the pressure generation unit.