FR788480A - Improvements to electrical switches - Google Patents
Improvements to electrical switchesInfo
- Publication number
- FR788480A FR788480A FR788480DA FR788480A FR 788480 A FR788480 A FR 788480A FR 788480D A FR788480D A FR 788480DA FR 788480 A FR788480 A FR 788480A
- Authority
- FR
- France
- Prior art keywords
- electrical switches
- switches
- electrical
- 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
- H01H3/54—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
- H01H3/58—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts using friction, toothed, or other mechanical clutch
-
- 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
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US722058A US2021499A (en) | 1934-04-24 | 1934-04-24 | Circuit breaker |
Publications (1)
Publication Number | Publication Date |
---|---|
FR788480A true FR788480A (en) | 1935-10-10 |
Family
ID=24900348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR788480D Expired FR788480A (en) | 1934-04-24 | 1935-04-05 | Improvements to electrical switches |
Country Status (2)
Country | Link |
---|---|
US (1) | US2021499A (en) |
FR (1) | FR788480A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10170264B2 (en) | 2015-03-06 | 2019-01-01 | Abb Schweiz Ag | Information display system for switching device, switching device, and method |
USD803790S1 (en) | 2015-03-06 | 2017-11-28 | General Electric Company | Circuit breaker |
US9870878B2 (en) | 2015-03-06 | 2018-01-16 | General Electric Company | Information display system for switching device, switching device, and method |
-
1934
- 1934-04-24 US US722058A patent/US2021499A/en not_active Expired - Lifetime
-
1935
- 1935-04-05 FR FR788480D patent/FR788480A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2021499A (en) | 1935-11-19 |
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