GB472496A - Improvements in or relating to electric switches or circuit breakers - Google Patents
Improvements in or relating to electric switches or circuit breakersInfo
- Publication number
- GB472496A GB472496A GB8691/36A GB869136A GB472496A GB 472496 A GB472496 A GB 472496A GB 8691/36 A GB8691/36 A GB 8691/36A GB 869136 A GB869136 A GB 869136A GB 472496 A GB472496 A GB 472496A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plunger
- circuit
- spring
- contact
- switch
- 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
- 238000010276 construction Methods 0.000 abstract 3
- 238000005452 bending Methods 0.000 abstract 2
- 210000000078 claw Anatomy 0.000 abstract 2
- 230000000694 effects Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/22—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electrothermal release and no other automatic release
- H01H73/30—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electrothermal release and no other automatic release reset by push-button, pull-knob or slide
Landscapes
- Thermally Actuated Switches (AREA)
- Breakers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27175A US2083508A (en) | 1935-06-18 | 1935-06-18 | Circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB472496A true GB472496A (en) | 1937-09-23 |
Family
ID=21836122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8691/36A Expired GB472496A (en) | 1935-06-18 | 1936-03-23 | Improvements in or relating to electric switches or circuit breakers |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2083508A (enrdf_load_stackoverflow) |
| BE (1) | BE415118A (enrdf_load_stackoverflow) |
| FR (1) | FR806032A (enrdf_load_stackoverflow) |
| GB (1) | GB472496A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2542530A (en) * | 1944-07-01 | 1951-02-20 | Nat Acme Co | Switch |
| US2688673A (en) * | 1952-12-09 | 1954-09-07 | Florence W Stephens | Resettable circuit protector |
| US2879356A (en) * | 1957-11-22 | 1959-03-24 | John C Holmes | Electric circuit breakers |
| US2953663A (en) * | 1958-08-21 | 1960-09-20 | Anthony B Della | Fuse or circuit breaker |
-
0
- BE BE415118D patent/BE415118A/xx unknown
-
1935
- 1935-06-18 US US27175A patent/US2083508A/en not_active Expired - Lifetime
-
1936
- 1936-03-23 GB GB8691/36A patent/GB472496A/en not_active Expired
- 1936-04-06 FR FR806032D patent/FR806032A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE415118A (enrdf_load_stackoverflow) | |
| FR806032A (fr) | 1936-12-05 |
| US2083508A (en) | 1937-06-08 |
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