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:
Oct. 27, 2015
Filed:
Sep. 20, 2012
Seiko Epson Corporation, Tokyo, JP;
Hisashi Miyazawa, Okaya, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A maintenance device for a fluid ejection head has a small, compact switching mechanism that can appropriately switch drive force from a drive source and drive a suction pump and a wiper. A maintenance devicehas caps() to() and wipers() to(), a suction pumpthat suctions waste ink from the caps() to(), a cap drive transfer mechanismthat moves the caps() to() in a cap movement direction V, a wiper-pump drive transfer mechanismthat moves the wipers and drives the suction pump, and a drive switching mechanismthat switches driving by the wiper-pump drive transfer mechanismto drive the suction pumpor move the wipers according to the position of cap movement.