FR539984A - - Google Patents
Info
- Publication number
- FR539984A FR539984A FR539984DA FR539984A FR 539984 A FR539984 A FR 539984A FR 539984D A FR539984D A FR 539984DA FR 539984 A FR539984 A FR 539984A
- Authority
- FR
- France
- 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
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
-
- 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
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/55—Oil reservoirs or tanks; Lowering means therefor
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40396620A | 1920-08-30 | 1920-08-30 | |
| US406961A US1536772A (en) | 1920-08-30 | 1920-08-30 | Electric switch |
| US406866A US1509758A (en) | 1920-08-30 | 1920-08-30 | Electric switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR539984A true FR539984A (2) | 1922-07-04 |
Family
ID=27410564
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR539984D Expired FR539984A (2) | 1920-08-30 | ||
| FR25330D Expired FR25330E (fr) | 1920-08-30 | 1921-08-29 | Perfectionnements apportés aux interrupteurs électriques |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR25330D Expired FR25330E (fr) | 1920-08-30 | 1921-08-29 | Perfectionnements apportés aux interrupteurs électriques |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1509758A (2) |
| FR (2) | FR25330E (2) |
| GB (1) | GB179882A (2) |
| NL (1) | NL12593C (2) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2460462A (en) * | 1945-02-16 | 1949-02-01 | Westinghouse Electric Corp | Circuit controller |
| CN105551843A (zh) * | 2016-02-13 | 2016-05-04 | 河南莱源电气有限公司 | 一种复合开关 |
-
0
- FR FR539984D patent/FR539984A/fr not_active Expired
- NL NL12593D patent/NL12593C/xx active
-
1920
- 1920-08-30 US US406866A patent/US1509758A/en not_active Expired - Lifetime
-
1921
- 1921-02-02 GB GB8249/22A patent/GB179882A/en not_active Expired
- 1921-08-29 FR FR25330D patent/FR25330E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1509758A (en) | 1924-09-23 |
| GB179882A (en) | 1922-05-02 |
| FR25330E (fr) | 1923-01-24 |
| NL12593C (2) |