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. 21, 2015
Filed:
Dec. 17, 2013
Riso Kagaku Corporation, Tokyo, JP;
Masakatsu Arai, Ibaraki, JP;
Riso Kagaku Corporation, Tokyo, JP;
Abstract
An ink cartridge includes a socket portion provided at one end of an ink storage container and configured to be fitted to and detached from a joint portion of a printing machine, an ink supply port provided in the socket portion, and an inner plug configured to seal an ink passage to the ink supply port in response to biasing force applied from a side of the ink storage container. An insertion shaft, provided in the joint portion, pressing the inner plug against the biasing force upon a fitting of the socket portion to the joint portion enables the ink passage to communicate with the ink supply port. An ink holding portion of the inner plug with the insertion shaft pulled out from the ink holding portion after inserted holds the ink near the ink supply port.