JPS6336155U

JPS6336155U -

Info

Publication number: JPS6336155U
Application number: JP12869686U
Authority: JP
Priority date: 1986-08-22
Filing date: 1986-08-22
Publication date: 1988-03-08

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す分解斜視図、
第２図は第１図のカーボンブラシ、コイルバネ、
トツププレート装着後の斜視図、第３図ａは短い
カーボンブラシを装着した場合の正面断面図、ｂ
は長いブラシを装着した場合の正面断面図、第４
図は従来のブラシ装置の展開斜視図、第５図は第
４図の装置後の斜視図、第６図ａは短いカーボン
ブラシを装着した場合の正面断面図、ｂは長いブ
ラシを装着した場合の正面断面図である。１……短いホルダー板、２……ブラシ箱、３…
…短いカーボンブラシ、３ａ……長いカーボンブ
ラシ、４……短いコイルバネ、４ａ……長いコイ
ルバネ、５……トツププレート、７……コの字ト
ツププレート、２１……蓋部。 FIG. 1 is an exploded perspective view showing an embodiment of the present invention;
Figure 2 shows the carbon brush and coil spring shown in Figure 1.
A perspective view after the top plate is installed, Figure 3a is a front sectional view when a short carbon brush is installed, and b
is a front cross-sectional view when a long brush is attached;
The figure is an exploded perspective view of a conventional brush device, Fig. 5 is a perspective view after the device shown in Fig. 4, Fig. 6 a is a front sectional view when a short carbon brush is installed, and b is a case when a long brush is installed. FIG. 1...Short holder board, 2...Brush box, 3...
... Short carbon brush, 3a... Long carbon brush, 4... Short coil spring, 4a... Long coil spring, 5... Top plate, 7... U-shaped top plate, 21... Lid.

Claims

[Scope of utility model registration request]

A holder plate, a brush box with a lid on the end opposite to the commutator that is locked to the holder plate, a carbon brush inserted from the opening on the opposite commutator side of the brush box, and this carbon brush to the commutator. A spring to be brought into pressure contact, and a spring that accommodates 1/4 to 3/4 of the free length of the spring, is attached to the opening edge of the brush box on the side opposite to the commutator, and is engaged with the edge of the opening on the side opposite to the commutator of the brush box. Brush device with matching rectangular cylindrical top plate.