JPS5254103A - Commutator for small-sized electric rotary device - Google Patents

Commutator for small-sized electric rotary device

Info

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
Application number
JP13091475A
Other languages
Japanese (ja)
Inventor
Seizo Watanabe
Kenji Furuta
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP13091475A priority Critical patent/JPS5254103A/en
Publication of JPS5254103A publication Critical patent/JPS5254103A/en
Pending legal-status Critical Current

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  • 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
JP13091475A 1975-10-30 1975-10-30 Commutator for small-sized electric rotary device Pending JPS5254103A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS477331U (en) * 1971-06-29 1972-09-27

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS477331U (en) * 1971-06-29 1972-09-27

Cited By (1)

* Cited by examiner, † Cited by third party
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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