JPS62182055U - - Google Patents
Info
- Publication number
- JPS62182055U JPS62182055U JP6974186U JP6974186U JPS62182055U JP S62182055 U JPS62182055 U JP S62182055U JP 6974186 U JP6974186 U JP 6974186U JP 6974186 U JP6974186 U JP 6974186U JP S62182055 U JPS62182055 U JP S62182055U
- Authority
- JP
- Japan
- Prior art keywords
- brush
- commutator
- groove
- curvature
- brush device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000630 rising effect Effects 0.000 claims description 2
Landscapes
- Motor Or Generator Current Collectors (AREA)
Description
第１図は本考案の一実施例であるブラシ装置を
示す拡大縦断面図、第２図および第３図はその作
用を説明するための各拡大部分断面図である。
１……コンミユテータ、２……セグメント、２
ａ……スリツト、３……ブラシ装置、４……ブラ
シホルダ、５……スプリング、６……ブラシ、７
……ピグテール、８……溝、９……立ち上がり壁
部、１０……凹状弯曲部。
FIG. 1 is an enlarged vertical cross-sectional view showing a brush device as an embodiment of the present invention, and FIGS. 2 and 3 are enlarged partial cross-sectional views for explaining its operation. 1...Commutator, 2...Segment, 2
a...Slit, 3...Brush device, 4...Brush holder, 5...Spring, 6...Brush, 7
...Pigtail, 8...Groove, 9...Rising wall portion, 10...Concave curved portion.
Claims (1)
に接続するブラシを備えているブラシ装置におい
て、前記ブラシにおける周方向の略中央部に溝が
前記コンミユテータにおけるセグメントの幅より
も狭くなるように没設されており、溝の両脇にお
ける立ち上がり壁部には前記コンミユテータの曲
率以上の曲率を有する弯曲面が形成されているこ
とを特徴とするブラシ装置。 A brush device comprising a brush electrically connected to a relatively rotating commutator in sliding contact with the brush, wherein a groove is recessed in a substantially central portion of the brush in a circumferential direction so as to be narrower than a width of a segment in the commutator. A brush device characterized in that a curved surface having a curvature greater than the curvature of the commutator is formed on the rising wall portions on both sides of the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6974186U JPS62182055U (en) | 1986-05-08 | 1986-05-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6974186U JPS62182055U (en) | 1986-05-08 | 1986-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62182055U true JPS62182055U (en) | 1987-11-18 |
Family
ID=30910744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6974186U Pending JPS62182055U (en) | 1986-05-08 | 1986-05-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62182055U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02164244A (en) * | 1988-12-14 | 1990-06-25 | Mitsubishi Electric Corp | Dc machine |
-
1986
- 1986-05-08 JP JP6974186U patent/JPS62182055U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02164244A (en) * | 1988-12-14 | 1990-06-25 | Mitsubishi Electric Corp | Dc machine |