Patent ID: 7223037

Claim:
A writing instrument comprising: an ink tank for holding a liquid ink in an inside thereof, an ink holder which can hold the ink in the ink tank and which controls an internal pressure in the ink tank, a pen tip, an ink introducing part for introducing the ink in the ink tank to the pen tip and an ink occlusion body comprising an outer ink occlusion body cover and an inner ink occlusion body member, the ink occlusion body being mounted in the ink tank so as to feed the ink to the ink introducing part, wherein through parts are provided in a line in an axial direction in the outer ink occlusion body cover at the pen tip rather than in the center of the ink occlusion body such that ink enters the inner ink occlusion body member by way of the through parts, and wherein the ink introducing part is inserted into the inner ink occlusion body member so as to introduce ink from the inner ink occlusion body member to the pen tip.