Writing instrument having an ink balance mechanism

摘要

A writing instrument is provided with a barrel including a bottom opening; a partition disposed in the barrel to divide the barrel into an upper ink reservoir filled with ink and a lower storage filled with an absorbent material; a writing member partially disposed in the absorbent material and extending out of the bottom opening; and a conveying line disposed through the partition. The conveying line includes a venting channel and an ink conveying channel. Each of the venting channel and the ink conveying channel communicate with both the ink and the absorbent material. A smooth writing can be carried out.

主权项

1. A writing instrument comprising:
a barrel comprising a bottom opening; a partition disposed in the barrel to divide the barrel into an upper ink reservoir filled with ink and a lower storage filled with an absorbent material; a writing member partially disposed in the absorbent material and extending out of the bottom opening; and a conveying line disposed through the partition and a first end communicating with the ink and second end communicating with the absorbent material, wherein the conveying line is composed of at least one venting channel and an ink conveying channel, an upper end of the at least one venting channel is flush with that of the ink conveying channel and partition, and the at least one venting channel is shorter than the ink conveying channel in height.