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:
Jan. 02, 2007
Filed:
Aug. 09, 2004
Atsushi Hirota, Nagoya, JP;
Mikio Sakuma, Ichinomiya, JP;
Atsushi Hirota, Nagoya, JP;
Mikio Sakuma, Ichinomiya, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
Pressure chambers arranged in the form of a matrix along a plane form first and second pressure chamber columns arranged alternately in the plane and having nozzles connected on opposite sides respectively. Two adjacent pressure chamber columns constituted by a first pressure chamber column and a second pressure chamber column are arranged opposite to each common ink path. First connection holes formed in the pressure chambers of the first pressure chamber column and connected to nozzles and second connection holes formed in the pressure chambers of the second pressure chamber column and connected to nozzles are arranged side by side on opposite sides of a corresponding common ink path. Between two adjacent common ink paths, first connection holes and second connection holes are arranged on a column.