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:
Mar. 17, 2015
Filed:
Dec. 15, 2011
Shigekazu Sakai, Tokyo, JP;
Yoshifumi Takafuji, Kodaira, JP;
Yuichi Machida, Hachoiji, JP;
Naomi Kubo, Hino, JP;
Koujiro Yoshida, Machida, JP;
Yasuo Nishi, Hachioji, JP;
Shigekazu Sakai, Tokyo, JP;
Yoshifumi Takafuji, Kodaira, JP;
Yuichi Machida, Hachoiji, JP;
Naomi Kubo, Hino, JP;
Koujiro Yoshida, Machida, JP;
Yasuo Nishi, Hachioji, JP;
Konica Minolta, Inc., , JP;
Abstract
The object is to provide an inkjet head unit having: head chips having nozzles arranged on nozzle faces, and capable of discharging ink by respective independent pressure generating module from pressure chambers communicating with the nozzles; and a tabular head unit base on which the head chips are arranged and which is capable of holding the head chips, of abutting faces of the head unit base and the head chip, at least one of the abutting face on the head unit base side and the abutting face on the head chip side is formed in a stepped shape, so that the height of the abutting face of the head chip relative to the surface of the head unit base is partially changed, and the head chip is thereby attached to be inclined relative to the surface of the head unit base.