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:
Jun. 12, 2012
Filed:
Jul. 22, 2009
Applicant:
Hideya Yokouchi, Okaya, JP;
Inventor:
Hideya Yokouchi, Okaya, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
Abstract
A liquid supply device includes: a supply pump which is provided in a liquid supply passage; a first unidirectional valve which is provided on an upstream side of the supply pump; a second unidirectional valve which is provided on a downstream side of the supply pump; a first member; a second member; and a flexible member. The supply pump and the first and second unidirectional valves are formed such that the flexible member is interposed between the first and second members and held by locking a locking unit in the state where the flexible member is interposed between the first and second members.