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:
Apr. 02, 2002
Filed:
Sep. 15, 1999
Seiko Epson Corporation, Tokyo, JP;
Abstract
An ink jet recording apparatus comprises: at least one recording head having a face on which a plurality of nozzle orifices are formed, the recording head mounted on a carriage to be moved reciprocatively in the widthwise direction of a recording sheet; a capping device disposed in a non-print region of the recording head, the capping device including at least one cap unit for sealing the nozzle-formed surface of the recording head in cooperation with the movement of carriage; and a plurality of suction pumps for applying negative pressure in the interior space of the cap unit via suction tubes while the cap unit seals the nozzle-formed surface in cooperation with at least one drive source. The number of the suction pumps is at least equal to the number of the cap unit.