JPS583290U

JPS583290U - Opening/closing lid attachment device for multi-core chamber type writing instruments

Info

Publication number: JPS583290U
Application number: JP9821381U
Authority: JP
Inventors: 一真野口; 坂岡　剛次; 関口　友三
Original assignee: ぺんてる株式会社
Priority date: 1981-06-30
Filing date: 1981-06-30
Publication date: 1983-01-10
Also published as: JPS6316553Y2

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]

図面は本考案の実施例を示すもので、第１図は縦断面図
、第２図は要部の分解斜視図、第３図は他の実施例を示
す要部縦断面図、第４図は第３図の要部の分解斜視図、
第５図は他の実施例を示す要部の分解斜視曲、第６図は
動作説明図、第７図　　　−は他の実施例を示す要部の
縦断面図である。、１：軸筒、２：芯室、３：芯誘導管、４：開口、４ａ
：。開口側壁、５：開閉蓋、８：折曲部、９：前方突部、１
０：後方突部、１３：チャック、１７：後方突部の底部
、１８ニスリツト。　　、The drawings show an embodiment of the present invention; FIG. 1 is a longitudinal sectional view, FIG. 2 is an exploded perspective view of the main parts, FIG. 3 is a longitudinal sectional view of the main parts showing another embodiment, and FIG. 4 is a longitudinal sectional view of the main parts. is an exploded perspective view of the main parts in Figure 3,
FIG. 5 is an exploded perspective view of the main parts showing another embodiment, FIG. 6 is an explanatory view of the operation, and FIGS. 7-7 are longitudinal cross-sectional views of the main parts showing another embodiment. , 1: Axial cylinder, 2: Core chamber, 3: Core guide tube, 4: Opening, 4a
:. Opening side wall, 5: Opening/closing lid, 8: Bent part, 9: Front protrusion, 1
0: Rear protrusion, 13: Chuck, 17: Bottom of rear protrusion, 18 Nislit. ,

Claims

[Scope of utility model registration request]

(1) A core guide tube with a single opening is rotatably provided inside a shaft cylinder with a plurality of core chambers formed on its inner surface so that the opening can face an appropriate core chamber, and In a multi-lead chamber type writing instrument equipped with a tiltable opening/closing lid, the opening/closing lid is tilted as the lead guide tube moves forward, and the lead in the lead chamber is led out to the tip chuck. A multi-core chamber having a front protrusion and a rear protrusion formed on both side walls, and a bent part provided at the base end of the opening/closing lid, the bent part being sandwiched between the protrusions. Opening/closing lid attachment device for molds - marking tools.

(2) The bottom of the rear part is shifted toward the opening side, a slit is provided from the rear end of the core guide tube, and the bent part of the opening/closing lid is made into a substantially square shape, so that the bent part allows the rear part to protrude. An opening/closing lid attachment device for a multi-core chamber type writing instrument according to claim 1, wherein the utility model is enclosed.

(3) An opening/closing lid attachment device for a multi-core writing instrument as set forth in claim 2 of the utility model registration claim, in which the thickness of the rear protrusion becomes thinner toward the rear end.