JPS6211677U

JPS6211677U -

Info

Publication number: JPS6211677U
Application number: JP10378285U
Authority: JP
Priority date: 1985-07-08
Filing date: 1985-07-08
Publication date: 1987-01-24

Description

[Brief explanation of the drawing]

第１図は要部の縦断面図、第２図は横断面図、
第３図はイ，ロは内パイプの下端部の斜視図であ
る。１…容筒、２…大径部、３…小径部、７…中継
芯、８…インキ誘導芯、９…抱持部、１０…ボー
ル、１１…内パイプ、１２…外パイプ、１３…切
割溝、１４…テーパ凹面、１５…支持筒。 Figure 1 is a vertical cross-sectional view of the main part, Figure 2 is a cross-sectional view,
3A and 3B are perspective views of the lower end of the inner pipe. DESCRIPTION OF SYMBOLS 1...Container cylinder, 2...Large diameter part, 3...Small diameter part, 7...Relay core, 8...Ink guiding core, 9...Holding part, 10...Ball, 11...Inner pipe, 12...Outer pipe, 13...Cut Groove, 14... Tapered concave surface, 15... Support tube.

Claims

[Scope of utility model registration request]

In an ink cartridge that supplies ink from an ink occlusion body housed in a large diameter part of the container cylinder to the inner lower end of the ball holding part via a guide core passing through a small diameter part, a support cylinder 15 and a support cylinder 15 are provided in the small diameter part 3 of the container cylinder 1. The ball holding part 9 held by the ball holding part 9 is connected and fixed concentrically above and below, and the ball holding part 9 is an inner/outer double cylinder with the ink guide core 8 at the center, and the tip end 8a of the core is connected to the ball 10. At the lower end touching the surface, the ball 10
a hole edge surface with a narrowed hole diameter of the outer pipe 12;
This is an ink cartridge for a writing instrument, in which the outer periphery of an inner pipe 11 is held by a tapered surface 14 at the lower end thereof.