JPH02117191U

JPH02117191U -

Info

Publication number: JPH02117191U
Application number: JP2525789U
Authority: JP
Priority date: 1989-03-07
Filing date: 1989-03-07
Publication date: 1990-09-19

Description

[Brief explanation of drawings]

第１図はこの考案の実施例の縦断面図、第２図
は内筒とこれに嵌挿する並列円板部を示し、第３
図はインキ誘導芯、第４図はらせん状空気溝部分
であつて、第５図は並列円板部の縦断側面、第６
図は同斜視図を示す。１……軸筒、２……内筒、３……空気導溝、５
……筆記部、６……インキ誘導芯、７……インキ
貯部、８，９……らせん状空気溝、１３……円板
、１５……円柱状支持部、１６……空気誘導溝、
１７……スリツト、１８……環溝、２２……中央
縦孔。 Fig. 1 is a longitudinal cross-sectional view of an embodiment of this invention, Fig. 2 shows an inner cylinder and a parallel disk portion fitted therein, and Fig.
The figure shows the ink guide core, Figure 4 shows the spiral air groove part, Figure 5 shows the longitudinal side surface of the parallel disk part, and Figure 6 shows the spiral air groove part.
The figure shows a perspective view of the same. 1...Shaft cylinder, 2...Inner cylinder, 3...Air guide groove, 5
... Writing part, 6 ... Ink guide core, 7 ... Ink reservoir, 8, 9 ... Spiral air groove, 13 ... Disk, 15 ... Cylindrical support part, 16 ... Air guide groove,
17...Slit, 18...Ring groove, 22...Central vertical hole.

Claims

[Scope of utility model registration request]

A spiral air groove is provided on the rear outer periphery with approximately the same diameter as the inner diameter of the shaft cylinder, and a large number of disks are arranged in parallel at the tip to form an ink reservoir, and only the parallel disk portion of this ink reservoir is The air guide groove provided on the outer periphery of the inner cylinder communicates with the ink storage part through the rear end of the parallel disk part and the spiral air groove. A writing instrument in which an ink storage part and a writing part are connected by a central vertical hole provided in a cylindrical support part.