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:
Aug. 07, 2012
Filed:
Feb. 23, 2010
Satoshi Oguchi, Okaya, JP;
Satoshi Oguchi, Okaya, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A liquid ejecting head unit includes: a plurality of liquid ejecting heads, each of which has a nozzle array in which nozzles ejecting liquid droplets are arrayed; a base plate to which the plurality of liquid ejecting heads are fixed in a state being positioned at predetermined positions thereof; and positioning pins which are fixed to the base plate and engaged with positioning holes formed in the liquid ejecting heads. Each of the positioning pins is held in a holding hole provided in a fixing plate fixed to the base plate. A reference plate is joined to a surface of each of the fixing plates. Further, in each of the reference plates, there are provided: an insertion hole in which the positioning pin is substantially inscribed; and a minute hole that serves as a reference for positioning the positioning pin to the base plate.