| 摘要 |
<P>PROBLEM TO BE SOLVED: To make it possible to inexpensively provide a pressurizing type writing utensil such as a felt tip pen or a marker usable without trouble even with an easily pen-point pluggable ink under the condition that its pressurizing operation is no trouble. <P>SOLUTION: In the pressurizing type writing utensil, at the tip of which, a pen wick of the felt tip pen or of a marker is provided and, in a rear ink housing part of which, the ink and a follower following after the rear end of the ink is provided and, further rearwards, a pumping type pressurizing mechanism, the pressurizing mechanism is so constituted as to provide a valve mechanism part at the rear of the follower in a barrel and a weight movably back and forth at the rear of the valve mechanism part in order to compress a space between the weight and the valve mechanism part through the advancement of the weight to a valve mechanism part side developed by an inertia through the shaking of the barrel and, at the same time, to allow to assist the fluidity to a pen wick side of the ink. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
