| 摘要 |
PURPOSE:To permit to reduce a valve pressur by a simple structue and facilitate attaching and removing an ink cartridge by a method wherein the valve pressure is impressed to an ink retrieving valve and an ink supplying valve by single valve spring. CONSTITUTION:First valve body, receiving a valve body 25 by a valve seat section 26a, is consisting of the valve body and the valve seat 26 while the second valve body is consisting of a valve body section 26b and the valve seat 28. The valve spring 27 is acted on the valve body 25 for retrieving ink and a pressure pushing the valve body 26 of ink supplying side is removed by pushing up the valve body 25 with the tip section 31a of a cap 31, thereby enabling to release respective valve bodies with weak forces. |
