JPS5254103A - Commutator for small-sized electric rotary device - Google Patents
Commutator for small-sized electric rotary deviceInfo
- Publication number
- JPS5254103A JPS5254103A JP13091475A JP13091475A JPS5254103A JP S5254103 A JPS5254103 A JP S5254103A JP 13091475 A JP13091475 A JP 13091475A JP 13091475 A JP13091475 A JP 13091475A JP S5254103 A JPS5254103 A JP S5254103A
- Authority
- JP
- Japan
- Prior art keywords
- commutator
- small
- rotary device
- electric rotary
- sized electric
- 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
Landscapes
- Motor Or Generator Current Collectors (AREA)
Abstract
PURPOSE: To improve the wear resistance of commutators by plating the exposed part of conductor piece with gold alloy having a higher hardness than copper alloy.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13091475A JPS5254103A (en) | 1975-10-30 | 1975-10-30 | Commutator for small-sized electric rotary device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13091475A JPS5254103A (en) | 1975-10-30 | 1975-10-30 | Commutator for small-sized electric rotary device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5254103A true JPS5254103A (en) | 1977-05-02 |
Family
ID=15045678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13091475A Pending JPS5254103A (en) | 1975-10-30 | 1975-10-30 | Commutator for small-sized electric rotary device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5254103A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6927950B2 (en) * | 2001-08-24 | 2005-08-09 | Tdk Corporation | Thin-film magnetic head and method of manufacturing same, head gimbal assembly, and hard disk drive |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS477331U (en) * | 1971-06-29 | 1972-09-27 |
-
1975
- 1975-10-30 JP JP13091475A patent/JPS5254103A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS477331U (en) * | 1971-06-29 | 1972-09-27 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6927950B2 (en) * | 2001-08-24 | 2005-08-09 | Tdk Corporation | Thin-film magnetic head and method of manufacturing same, head gimbal assembly, and hard disk drive |
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