JPS58190177U

JPS58190177U - tip of writing instrument

Info

Publication number: JPS58190177U
Application number: JP8745982U
Authority: JP
Inventors: 翠川　克夫
Original assignee: 東洋ポリマ−株式会社
Priority date: 1982-06-14
Filing date: 1982-06-14
Publication date: 1983-12-17

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１．図二本考案芯先の断面図、第２図：第１図■−■
断面図、第３図：内軸２，２の斜視図、第４図■、■：
内軸２，２を強く押したときの作用説明図。１：外軸、１ａ：仕切壁、２：内軸、２ａ：後端突部、
２ｂ＝先端、３：外軸、３ａ；ストツバ−１３ｂ＝テ一
パー面、４ニスリツト、５：間隙、７：インキ通路、６
：イン半収容部。1st. Figure 2 Cross-sectional view of the tip of the devised lead, Figure 2: Figure 1 ■-■
Cross-sectional view, Figure 3: Perspective view of the inner shafts 2, 2, Figure 4 ■, ■:
An explanatory diagram of the effect when the inner shafts 2, 2 are strongly pressed. 1: Outer shaft, 1a: Partition wall, 2: Inner shaft, 2a: Rear end protrusion,
2b=tip, 3: outer shaft, 3a; stopper 13b=tapered surface, 4 ink slit, 5: gap, 7: ink passage, 6
: Inn semi-accommodating part.

Claims

[Claims for Utility Model Registration] The inner shaft of the outer shaft 1 is composed of an outer shaft 1 made of plastic and an inner shaft 2 made of elastic plastic, and the plurality of inner shafts 2, 2 are separated by a partition wall 1a. The inner shaft is fitted into the insertion hole and forms a slit 4 between the inner circumference of the inner shaft insertion hole and the ink leaching hole, and the inner shaft 2 is slidable relative to the outer shaft 1, and the inner shaft tip 2b, 2b are curved inward to each other and joined on the center axis of the core tip, and furthermore, when the tips 2b, 2b of the inner shafts 2, 2 are pushed and retreat into the outer shaft 2, the inner shafts 2, 2 straighten. A tip of a writing instrument characterized by being configured so as to be.