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. 26, 1999
Filed:
Oct. 08, 1997
Steven J Dietl, Ontario, NY (US);
David P Breemes, Sr, Palmyra, NY (US);
Xerox Corporation, Stamford, CT (US);
Abstract
An ink jet cartridge for use in an ink jet printer has replaceable ink supply tanks. The cartridge includes a housing with an integrally mounted printhead, at least one ink pipe connector protruding from a floor thereof, and internal passageways which interconnect the ink pipe connectors and printhead. The replaceable ink supply tanks, one for each color and each ink pipe connector, contain an ink saturated foam or needled felt member, an ink outlet port, and a filter element which covers the ink outlet port. When the ink supply tank is installed in the cartridge housing, the ink pipe connector extends through the outlet port of the tank and deforms the filter element into compressive contact with the foam or needled felt member. Whenever an ink depleted ink supply tank is replaced with a new ink supply tank, a fresh filter element is available for the cartridge, thus preventing degradation of the cartridge filters during the useful life of the cartridge.