Patent ID: 9193168
Filing Date: 2015-11-24
Classification: B41J

Abstract:
1. An ink supply device for supplying an ink to a recording head for discharging the ink in an inkjet printer, the ink supply device comprising: a replaceable ink container being a container for storing the ink and being replaceable; and a male connector to be inserted into the replaceable ink container to take out the ink from the replaceable ink container, wherein the replaceable ink container has an insertion opening where the male connector is to be inserted formed therein, the replaceable ink container includes an opening plug that plugs the insertion opening, the opening plug includes an outer valve and an inner valve, in an order from an outer side toward an inner side of the replaceable ink container, the outer valve includes an outer valve body that is a valve body for opening and closing, the outer valve is a valve that has the outer valve body pressed and opened in a case where the male connector is inserted into the insertion opening, and has the outer valve body close by making contact with the male connector in a case where the male connector is pulled out from the insertion opening, the inner valve includes an inner valve body that is a valve body for opening and closing, and the inner valve is a valve that has the inner valve body pressed directly or indirectly by the male connector and opened in the case where the male connector is inserted into the insertion opening, and has the inner valve body closed by receiving at least a pressure of the ink in the case where the male connector is pulled out from the insertion opening.