BE519241A - - Google Patents
Info
- Publication number
- BE519241A BE519241A BE519241DA BE519241A BE 519241 A BE519241 A BE 519241A BE 519241D A BE519241D A BE 519241DA BE 519241 A BE519241 A BE 519241A
- Authority
- BE
- Belgium
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
- H01H1/54—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US283038A US2717292A (en) | 1952-04-18 | 1952-04-18 | Air circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE519241A true BE519241A (ru) |
Family
ID=23084227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE519241D BE519241A (ru) | 1952-04-18 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2717292A (ru) |
| BE (1) | BE519241A (ru) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2993105A (en) * | 1957-12-13 | 1961-07-18 | Westinghouse Electric Corp | Circuit breaker |
| US3210506A (en) * | 1957-12-13 | 1965-10-05 | Westinghouse Electric Corp | Circuit breaker with improved contact structure |
| US3177332A (en) * | 1962-06-11 | 1965-04-06 | Mc Graw Edison Co | High voltage circuit breakers with contact pressure boosters and arcing contacts |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1074431A (en) * | 1910-10-29 | 1913-09-30 | Gen Electric | Circuit-controlling contact. |
| US2259971A (en) * | 1938-11-02 | 1941-10-21 | Westinghouse Electric & Mfg Co | Circuit breaker |
| US2492762A (en) * | 1944-08-23 | 1949-12-27 | Gen Electric | Electric switch |
| US2462283A (en) * | 1945-07-20 | 1949-02-22 | Kearney James R Corp | Electrical switch |
| US2477189A (en) * | 1946-12-05 | 1949-07-26 | Allis Chalmers Mfg Co | Electric arc extinguishing means |
| US2571933A (en) * | 1948-07-30 | 1951-10-16 | Westinghouse Electric Corp | Air circuit breaker |
-
0
- BE BE519241D patent/BE519241A/xx unknown
-
1952
- 1952-04-18 US US283038A patent/US2717292A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2717292A (en) | 1955-09-06 |