JPS5817187U

JPS5817187U - writing implements

Info

Publication number: JPS5817187U
Application number: JP11080281U
Authority: JP
Inventors: 俊雄鈴木
Original assignee: 三菱鉛筆株式会社
Priority date: 1981-07-24
Filing date: 1981-07-24
Publication date: 1983-02-02

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来の筆記具の縦断面図、第２図はこの考案の
筆記具の縦断面図、第３図はこの考案における弁機構の
側面図である。１・・・筆記具本体、２・・・インキ室、３・・・開口
部、５・・・弁機構、６・・・ペン芯、７・・・ばね座
、８・・・弁座部、９・・・弁部、１０・・・ねじりば
ね。FIG. 1 is a longitudinal sectional view of a conventional writing instrument, FIG. 2 is a longitudinal sectional view of the writing instrument of this invention, and FIG. 3 is a side view of the valve mechanism of this invention. DESCRIPTION OF SYMBOLS 1... Writing instrument main body, 2... Ink chamber, 3... Opening part, 5... Valve mechanism, 6... Pen core, 7... Spring seat, 8... Valve seat part, 9... Valve part, 10... Torsion spring.

Claims

[Scope of utility model registration request]

A writing instrument comprising: a pen tip attached to an opening of a writing instrument body having an ink chamber with a valve mechanism interposed therebetween; and a pen core connected to the valve mechanism, wherein the valve mechanism is connected to the writing instrument body. A spring seat that comes into contact with the opening of the valve, a valve part that can sit on the valve seat part provided on the front shaft, and a torsion spring that connects these spring seats and the valve part so that they can move forward and backward. A writing instrument made by forming.