BR8201898A - LOCKING DEVICE - Google Patents

LOCKING DEVICE

Info

Publication number
BR8201898A
BR8201898A BR8201898A BR8201898A BR8201898A BR 8201898 A BR8201898 A BR 8201898A BR 8201898 A BR8201898 A BR 8201898A BR 8201898 A BR8201898 A BR 8201898A BR 8201898 A BR8201898 A BR 8201898A
Authority
BR
Brazil
Prior art keywords
locking device
locking
Prior art date
Application number
BR8201898A
Other languages
Portuguese (pt)
Inventor
Etsuyoshi Koganezawa
Minoru Nakahata
Masamitsu Nakanishi
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of BR8201898A publication Critical patent/BR8201898A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/42—Driving mechanisms
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
    • H02H7/222—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices for switches
    • H02H7/224—Anti-pump circuits
BR8201898A 1981-04-03 1982-04-02 LOCKING DEVICE BR8201898A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56050722A JP2598890B2 (en) 1981-04-03 1981-04-03 Interlock devices such as shears and breakers

Publications (1)

Publication Number Publication Date
BR8201898A true BR8201898A (en) 1983-03-08

Family

ID=12866758

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8201898A BR8201898A (en) 1981-04-03 1982-04-02 LOCKING DEVICE

Country Status (5)

Country Link
JP (1) JP2598890B2 (en)
KR (1) KR870002150B1 (en)
BR (1) BR8201898A (en)
GB (1) GB2097192B (en)
MX (1) MX155112A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60175335A (en) * 1984-02-20 1985-09-09 富士電機株式会社 Circuit breaker
JPH02228953A (en) * 1989-03-02 1990-09-11 Toshiba Corp Ultrasonic diagnostic apparatus
JP2506650Y2 (en) * 1989-04-28 1996-08-14 株式会社明電舎 Switch operating mechanism
JP3271512B2 (en) * 1996-03-27 2002-04-02 三菱電機株式会社 Circuit breaker double closing prevention device
JP6814682B2 (en) * 2017-04-07 2021-01-20 株式会社東光高岳 Vacuum breaker

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS551056A (en) * 1978-06-20 1980-01-07 Mitsubishi Electric Corp Device for preventing breaker from pumping

Also Published As

Publication number Publication date
KR830009620A (en) 1983-12-22
JPS57165928A (en) 1982-10-13
GB2097192A (en) 1982-10-27
KR870002150B1 (en) 1987-12-12
JP2598890B2 (en) 1997-04-09
MX155112A (en) 1988-01-28
GB2097192B (en) 1985-04-17

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