GB333207A - Improvements in fusible electric cut-outs - Google Patents
Improvements in fusible electric cut-outsInfo
- Publication number
- GB333207A GB333207A GB1381429A GB1381429A GB333207A GB 333207 A GB333207 A GB 333207A GB 1381429 A GB1381429 A GB 1381429A GB 1381429 A GB1381429 A GB 1381429A GB 333207 A GB333207 A GB 333207A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spring
- fusing
- casing
- outs
- lever
- 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
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/36—Means for applying mechanical tension to fusible member
Landscapes
- Fuses (AREA)
Abstract
333,207. Crompton Parkinson, Ltd., and Page, G. May 3, 1929. Fusible cut-outs.-In fusible cut-outs where, on fusing, the terminals are moved apart by a spring and where the fusible element may have insufficient mechanical strength to support the spring, the movable terminal is movably mounted on another movable member, and is provided with a catch which locks the spring in its stressed condition, being released on fusing of the element, or the spring is set near a dead centre so that its leverage increases on the element fusing. In Fig. 1 the sliding member 15 to which the end of the spring 16 is attached carries the terminal 24 on a pivoted catch-lever 20 engaging a hole 22 in the casing. When the element 25 fuses, the catch is released, and a projection 18 on the carrier 15 may strike a plunger 19 operating apparatus such as is described in Specification 333,206, [Class 38 (v), Electric switches &c.]. In a modification, the sliding member 15 may carry a ball clutch engaging holes in the casing, the clutch being released on the element fusing. In this construction the element 25 is arranged within the casing, and the spring 16 carries the current in lieu of a flexible lead 32. In Fig. 4, the spring 16 is attached to a lever 20a pivoted at 20b and connected to a link 62 carrying the movable terminal 23. On the element 25 fusing, the leverage of the spring 16 increases, the cap 60a. with or without the casing 11a, being drawn away with the terminal 23. The lever 20a may also operate the trip gear of a circuit-breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1381429A GB333207A (en) | 1929-05-03 | 1929-05-03 | Improvements in fusible electric cut-outs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1381429A GB333207A (en) | 1929-05-03 | 1929-05-03 | Improvements in fusible electric cut-outs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB333207A true GB333207A (en) | 1930-08-05 |
Family
ID=10029863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1381429A Expired GB333207A (en) | 1929-05-03 | 1929-05-03 | Improvements in fusible electric cut-outs |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB333207A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810438A (en) * | 2012-08-06 | 2012-12-05 | 吉林省金冠电气股份有限公司 | Automatic releasing mechanism and application |
-
1929
- 1929-05-03 GB GB1381429A patent/GB333207A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810438A (en) * | 2012-08-06 | 2012-12-05 | 吉林省金冠电气股份有限公司 | Automatic releasing mechanism and application |
| CN102810438B (en) * | 2012-08-06 | 2014-08-06 | 吉林省金冠电气股份有限公司 | Automatic releasing mechanism and application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB333207A (en) | Improvements in fusible electric cut-outs | |
| GB242664A (en) | Improvements in or relating to electro-magnetic cut-outs | |
| US1991113A (en) | Electromagnetic switch | |
| US1966444A (en) | Automatic circuit breaker | |
| GB483204A (en) | Improvements in or relating to electric switches having an automatic overload release or tripping device | |
| DE593512C (en) | Installation circuit breaker with instant activation | |
| GB243007A (en) | An improved electro-magnetic switch | |
| US3255322A (en) | Regulator by-pass switch | |
| US2537618A (en) | Electric circuit breaker | |
| US2240260A (en) | High tension fuse construction | |
| GB525749A (en) | Ceiling and other electric switches operated by a chain or pull member | |
| GB617625A (en) | Improvements in or relating to electric circuit breakers | |
| US3316372A (en) | Cutout switch having load interrupter | |
| US2495192A (en) | Snap action circuit closer | |
| ES351371A1 (en) | Electric circuit breakers | |
| GB426486A (en) | Improvements in or relating to thermally released electric overload circuit breakers | |
| GB563528A (en) | An improved multiple-pole automatic electric switch | |
| US744125A (en) | Circuit-breaker. | |
| US1471308A (en) | Electric switch | |
| GB375153A (en) | Improvements in electric circuit breakers | |
| GB369906A (en) | A combined overload circuit breaker and tumbler switch | |
| US2979584A (en) | Load interrupter housed fuse cutouts | |
| US1310562A (en) | Circuit-breaker | |
| US1755083A (en) | Electric switch | |
| DE932438C (en) | Small electrical self switch |