PL87237B1 - - Google Patents
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- Publication number
- PL87237B1 PL87237B1 PL1973164393A PL16439373A PL87237B1 PL 87237 B1 PL87237 B1 PL 87237B1 PL 1973164393 A PL1973164393 A PL 1973164393A PL 16439373 A PL16439373 A PL 16439373A PL 87237 B1 PL87237 B1 PL 87237B1
- Authority
- PL
- Poland
- Prior art keywords
- contacts
- roller
- spring
- circuit breaker
- core
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/122—Automatic release mechanisms with or without manual release actuated by blowing of a fuse
Landscapes
- Breakers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US27628972A | 1972-07-31 | 1972-07-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
PL87237B1 true PL87237B1 (fr) | 1976-06-30 |
Family
ID=23056041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL1973164393A PL87237B1 (fr) | 1972-07-31 | 1973-07-30 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3750059A (fr) |
BR (1) | BR7305734D0 (fr) |
PL (1) | PL87237B1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4286242A (en) * | 1979-09-17 | 1981-08-25 | Westinghouse Electric Corp. | Mechanical interlock for low voltage circuit breakers |
US4677269A (en) * | 1985-07-12 | 1987-06-30 | Square D Company | Isolation switch having a locking bail arm |
US4766270A (en) * | 1985-07-12 | 1988-08-23 | Square D Company | Limited force interlock mechanism |
US4743876A (en) * | 1987-07-24 | 1988-05-10 | Westinghouse Electric Corp. | Circuit interrupter with undervoltage trip mechanism |
US5684447A (en) * | 1996-01-19 | 1997-11-04 | Cooper Industries, Inc. | Failsafe bimetallic reed having bimetal with fusible link for a circuit protector |
US7075027B1 (en) | 2005-05-19 | 2006-07-11 | Eaton Corporation | Spring-charged mechanism assembly employing two trunnion members moveable in different planes and circuit interrupter employing the same |
US7545245B2 (en) * | 2006-05-01 | 2009-06-09 | Eaton Corporation | Manual opening device and electrical switching apparatus employing the same |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3031601A (en) * | 1960-09-27 | 1962-04-24 | Gen Electric | Circuit protective apparatus |
US3510811A (en) * | 1967-07-21 | 1970-05-05 | Ite Imperial Corp | Antisingle phase device |
US3544931A (en) * | 1968-10-24 | 1970-12-01 | Westinghouse Electric Corp | Circuit breaker with improved trip means |
US3629747A (en) * | 1970-03-26 | 1971-12-21 | Westinghouse Electric Corp | Electromagnetic trip device for circuit interrupters |
US3611215A (en) * | 1970-08-21 | 1971-10-05 | Westinghouse Electric Corp | Circuit breaker includng improved undervoltage trip means |
-
1972
- 1972-07-31 US US00276289A patent/US3750059A/en not_active Expired - Lifetime
-
1973
- 1973-07-27 BR BR5734/73A patent/BR7305734D0/pt unknown
- 1973-07-30 PL PL1973164393A patent/PL87237B1/pl unknown
Also Published As
Publication number | Publication date |
---|---|
AU5738273A (en) | 1975-01-09 |
BR7305734D0 (pt) | 1974-08-29 |
US3750059A (en) | 1973-07-31 |
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