JPH01120684U

JPH01120684U -

Info

Publication number: JPH01120684U
Application number: JP1508588U
Authority: JP
Priority date: 1988-02-09
Filing date: 1988-02-09
Publication date: 1989-08-16

Description

[Brief explanation of drawings]

第１図〜第６図はこの考案をアナログムーブメ
ントの四番車に適用した第１実施例を示し、第１
図は四番車の外観正面図、第２図はその針取付部
の斜視図、第３図はその拡大正面図、第４図はそ
の平面図、第５図は針取付部の嵌着部と指針の取
付孔の内径との関係を示す図、第６図は針取付部
の嵌着部の形状が円形の場合と四角形状の場合と
における指針の取付孔の内径と圧入体積との関係
を示す図、第７図および第８図はこの考案の第２
実施例を示し、第７図はその針取付部の拡大正面
図、第８図はその嵌着部の断面形状を示す図、第
９図Ａ，Ｂはその変形例を示す図、第１０図は従
来例を示す針取付部の拡大正面図である。１０……四番車、１４……針取付部、１６，２
２……嵌着部、１６ａ……角部、２２ａ……凸条
。 Figures 1 to 6 show a first embodiment in which this invention is applied to the fourth wheel of an analog movement.
The figure is a front view of the exterior of the fourth wheel, Figure 2 is a perspective view of the needle attachment part, Figure 3 is an enlarged front view thereof, Figure 4 is a plan view thereof, and Figure 5 is the fitting part of the needle attachment part. Figure 6 shows the relationship between the inner diameter of the pointer mounting hole and the press-fit volume when the shape of the fitting part of the needle mounting part is circular and square. Figures 7 and 8 are the second figures of this invention.
7 is an enlarged front view of the needle attachment part, FIG. 8 is a diagram showing the cross-sectional shape of the fitting part, FIGS. 9A and B are diagrams showing modifications thereof, and FIG. 10 FIG. 2 is an enlarged front view of a needle attachment part showing a conventional example. 10...Fourth wheel, 14...Needle mounting part, 16,2
2... Fitting part, 16a... Corner part, 22a... Convex strip.

Claims

[Claims for Utility Model Registration] A needle attachment structure of a pointer shaft made of synthetic shaft resin to which a pointer is attached, characterized in that at least three or more corner portions are formed on the outer peripheral surface of the needle attachment portion of the pointer shaft. The structure of the needle attachment part of the pointer shaft.