US Patent 7490921 Maintenance apparatus of recording head

Patent 7490921 was granted and assigned to Olympus Group on February, 2009 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Olympus Group

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7490921

Date of Patent

February 17, 2009

Patent Application Number

11318401

Date Filed

December 22, 2005

Patent Primary Examiner

‌

Shih-Wen Hsieh

Patent abstract

A maintenance apparatus of a recording head is appressed against a head main body of a recording head during cleaning processing, and an air current which performs suction and removal flows in a direction crossing an ink discharge direction and travels along a nozzle surface to suck foreign particles or a residual ink.

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