GB831737A - Improvements in or relating to thermal cut-outs - Google Patents
Improvements in or relating to thermal cut-outsInfo
- Publication number
- GB831737A GB831737A GB2279757A GB2279757A GB831737A GB 831737 A GB831737 A GB 831737A GB 2279757 A GB2279757 A GB 2279757A GB 2279757 A GB2279757 A GB 2279757A GB 831737 A GB831737 A GB 831737A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spring
- cap
- outs
- beswick
- july
- 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
-
- 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
- H01H71/14—Electrothermal mechanisms
- H01H71/20—Electrothermal mechanisms with fusible mass
Landscapes
- Fuses (AREA)
Abstract
831, 737. Fusible cut-outs. BESWICK, K. E., BESWICK, D. G. E., and MELBOURN, W. F. July 18, 1958 [July 18, 1957], No. 22797/57. Class 38 (1). A thermal cut-out has a spring 9 held in tension in a glass tubular body 6 with metal end caps 7, 8, one end of the spring 10 forming a contact embedded in fusible alloy 11 on end cap 8 while the other end is held, through large turns formed thereon, by the end of body 6. End cap 7 is connected to contact 10 by a current carrying wire 13 which may be omitted, so that spring 9 carries the current, or may be replaced by a coil of soft annealed copper wire arranged along the axis of the spring. The insulation 16 may be omitted, one end of wire 13 being soldered to cap 7 or to the adjacent end of spring 9. According to the Provisional Specification, instead of providing large turns on the end of spring 9, the spring may be tensioned by a tail passing through a hole in end cap 9 to which it is subsequently soldered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2279757A GB831737A (en) | 1957-07-18 | 1957-07-18 | Improvements in or relating to thermal cut-outs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2279757A GB831737A (en) | 1957-07-18 | 1957-07-18 | Improvements in or relating to thermal cut-outs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB831737A true GB831737A (en) | 1960-03-30 |
Family
ID=10185211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2279757A Expired GB831737A (en) | 1957-07-18 | 1957-07-18 | Improvements in or relating to thermal cut-outs |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB831737A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4259656A (en) * | 1979-05-11 | 1981-03-31 | Illinois Tool Works Inc. | Thermal cut-off device with an activating spring that is held in a prestressed condition by a thermally fusible pellet |
| CN113764236A (en) * | 2021-08-16 | 2021-12-07 | 云南电力试验研究院(集团)有限公司 | High-precision anti-burnout terminal design method and circuit breaker |
-
1957
- 1957-07-18 GB GB2279757A patent/GB831737A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4259656A (en) * | 1979-05-11 | 1981-03-31 | Illinois Tool Works Inc. | Thermal cut-off device with an activating spring that is held in a prestressed condition by a thermally fusible pellet |
| CN113764236A (en) * | 2021-08-16 | 2021-12-07 | 云南电力试验研究院(集团)有限公司 | High-precision anti-burnout terminal design method and circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB947376A (en) | Electrical connector | |
| GB974489A (en) | Slow blowing fuse | |
| GB831737A (en) | Improvements in or relating to thermal cut-outs | |
| GB1522256A (en) | Time-lag fuse | |
| US2938327A (en) | Illuminated watch | |
| GB568383A (en) | Improvements in and relating to electric protective devices | |
| GB918753A (en) | Improvements relating to electric lamps | |
| GB956137A (en) | Improvements in or relating to electrical cartridge fuses | |
| GB697756A (en) | Improvements relating to contact making members for the end caps of a rod or tube forming or carrying a conductor | |
| GB340430A (en) | Electric fusible devices | |
| GB507334A (en) | Improvements in or relating to fusible electric cut-outs | |
| GB824877A (en) | Improvements in or relating to electric cartridge fuses | |
| GB1168066A (en) | Improvements in or relating to Sockets for Electric Bulbs | |
| GB806477A (en) | Improvements in or relating to electric fuses | |
| GB721470A (en) | Improvements in or relating to electric fuses | |
| SU166721A1 (en) | MAGNETIC ALLOYS, CONTAINING IRON, NICKEL, COBALT, COPPER | |
| GB345903A (en) | Improvements in and relating to protective devices for electric circuits | |
| GB288289A (en) | Short circuit proof safety fuse cartridge with an overload lag | |
| GB817908A (en) | Improvements in or relating to electrical devices and terminal caps therefor | |
| GB1331669A (en) | Fuse element and a high voltage current-limitting fuse | |
| GB370109A (en) | Improvements in or relating to electric terminals | |
| JPS56117667A (en) | Printing wire for dot printer | |
| GB342642A (en) | Arc-ignition device for metal vapour rectifiers | |
| GB396942A (en) | Improvements in and relating to electro-therapeutic necklaces | |
| ES113759U (en) | Lighter for gas perfected (Machine-translation by Google Translate, not legally binding) |