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:
Feb. 24, 2004
Filed:
Apr. 22, 2002
Applicant:
Inventors:
Kenichiro Arai, Suwa, JP;
Noboru Otsuki, Suwa, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/165 ;
U.S. Cl.
CPC ...
B41J 2/165 ;
Abstract
A maintenance apparatus simplifies the cam mechanism for moving a capping mechanism and wiper mechanism, thereby making the printer smaller. A maintenance apparatus has a capping mechanism for covering or sealing the nozzle surface of a print head having nozzles for discharging ink droplets, a wiper mechanism for wiping the nozzle surface of the print head , and a cam . The cam is rotatably disposed solid of revolution having on the side thereof a first cam channel for moving the capping mechanism and a cam channel for moving the wiper mechanism