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. 05, 2010
Filed:
Nov. 09, 2006
Yen-sung Hsieh, Taipei, TW;
Yen-Sung Hsieh, Taipei, TW;
Qisda Corporation, Taoyuan County, TW;
Abstract
A maintenance device used for cleaning a print head of an ink cartridge includes a housing including a stopper, and a wiper holder installed inside the housing in a rotatable manner. The wiper holder includes a gear. The maintenance device further includes a wiper fixed on the wiper holder, and a sled installed on the housing in a slidable manner. The sled includes a rack geared with the gear of the wiper holder for driving the wiper holder to rotate when a carrier of the ink cartridge pushes the sled. The maintenance device further includes a lock lever pivoted to the sled for wedging the stopper so as to fix the sled, and a first elastic component connected to the housing and the sled for pulling the sled when the lock lever departs from the stopper.