GB709930A - Improvements in or relating to closing and tripping mechanisms for electric circuit-breakers - Google Patents
Improvements in or relating to closing and tripping mechanisms for electric circuit-breakersInfo
- Publication number
- GB709930A GB709930A GB9291/51A GB929151A GB709930A GB 709930 A GB709930 A GB 709930A GB 9291/51 A GB9291/51 A GB 9291/51A GB 929151 A GB929151 A GB 929151A GB 709930 A GB709930 A GB 709930A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sleeve
- crank
- spring
- motor
- contacts
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
Landscapes
- Breakers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1018440T | 1950-05-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB709930A true GB709930A (en) | 1954-06-02 |
Family
ID=9575043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9291/51A Expired GB709930A (en) | 1950-05-03 | 1951-04-20 | Improvements in or relating to closing and tripping mechanisms for electric circuit-breakers |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE502726A (xx) |
FR (1) | FR1018440A (xx) |
GB (1) | GB709930A (xx) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2909629A (en) * | 1957-07-02 | 1959-10-20 | Ite Circuit Breaker Ltd | Motor spring operating mechanism for oil circuit breakers |
-
0
- BE BE502726D patent/BE502726A/xx unknown
-
1950
- 1950-05-03 FR FR1018440D patent/FR1018440A/fr not_active Expired
-
1951
- 1951-04-20 GB GB9291/51A patent/GB709930A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2909629A (en) * | 1957-07-02 | 1959-10-20 | Ite Circuit Breaker Ltd | Motor spring operating mechanism for oil circuit breakers |
Also Published As
Publication number | Publication date |
---|---|
FR1018440A (fr) | 1953-01-07 |
BE502726A (xx) |
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