Patent ID: 6364473
Filing Date: 2002-04-02
Classification: B41J

Abstract:
A refilling needle assembly for refilling an ink cartridge comprising a needle seat, a long syringe needle and a short syringe needle; said needle seat connected with an ink bottle, and said long and short syringe needles plugged into an ink-storage sponge of said ink cartridge for a convection method of refilling ink, and features thereof being described as follows:one end of said needle seat furnished with a tapered connection hole for connecting with a connector of said ink bottle, while other end thereof furnished with a plug hole for receiving said two syringe needles which being fastened together in paralleled; one end of said long syringe needle provided with a cut to be plugged into the deepest spot of said ink-storage sponge; one end of said short syringe needle also provided with a cut to be set in contact with upper surface of said ink-storage sponge during refilling operation.