JPS6140282U

JPS6140282U - notsuku cover

Info

Publication number: JPS6140282U
Application number: JP12428484U
Authority: JP
Inventors: 正宏内山
Original assignee: 三菱鉛筆株式会社
Priority date: 1984-08-14
Filing date: 1984-08-14
Publication date: 1986-03-14

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〜第３図は本考案の一実施例を示しており、第１
図は略半分を破断して示したノック力バーの正面図、第
２図は第１図■一■線断面図、第３図は一部を破断して
示した筆記具の正面図、第４図および第５図は第１の従
来例を示し、第４図は芯ケースの部分正面図、第５図は
第４図に対し拡大して示した部分平面図、第６図は第２
の従来例を示し、第６図ａは芯ケースの部分平面図、第
６ｎｂは同じく正面図、第７図は第３の従来例を示し、
第７図ａは芯ケースの部分平面図、第７図ｂは同じく正
面図、第８図および第９図はそれぞれ第４の従来例およ
び第５の従来例に係るノック力バーの略半分を破断して
示した正面図である。３０・・・ノック力バー、３１・・・嵌合筒部、３２・
・・頭部、３４・・・スリット孔、４０・・・弾性部材
、５０・・・筆記具、５１・・・軸筒、５２・・・芯ケ
ース。Figures 1 to 3 show one embodiment of the present invention.
The figure is a front view of the knock force bar with approximately half cut away, Figure 2 is a sectional view taken along line 1 in Figure 1, Figure 3 is a front view of the writing instrument with a part cut away, and Figure 4 5 and 5 show the first conventional example, FIG. 4 is a partial front view of the core case, FIG. 5 is a partial plan view enlarged from FIG. 4, and FIG. 6 is the second conventional example.
Fig. 6a shows a partial plan view of the core case, Fig. 6nb shows a front view, and Fig. 7 shows a third conventional example.
FIG. 7a is a partial plan view of the core case, FIG. 7b is a front view, and FIGS. 8 and 9 show approximately half of the knock force bar according to the fourth conventional example and the fifth conventional example, respectively. It is a front view cut away and shown. 30... Knock force bar, 31... Fitting cylinder part, 32...
... Head, 34 ... Slit hole, 40 ... Elastic member, 50 ... Writing instrument, 51 ... Shaft tube, 52 ... Lead case.

Claims

[Scope of utility model registration request]

In the knock force bar that is placed over the head of the lead case of a mechanical pencil. A tangential slit hole is bored in the fitting cylinder part of the knock force bar, and an elastic member that hangs over the slit hole is externally fitted into the fitting cylinder part, and a part of the elastic member is inserted into the fitting cylinder part through the slit hole. A knock force bar characterized by a protruding knock force bar.