GB1223481A - Thermally-tripped switch - Google Patents
Thermally-tripped switchInfo
- Publication number
- GB1223481A GB1223481A GB504568A GB504568A GB1223481A GB 1223481 A GB1223481 A GB 1223481A GB 504568 A GB504568 A GB 504568A GB 504568 A GB504568 A GB 504568A GB 1223481 A GB1223481 A GB 1223481A
- Authority
- GB
- United Kingdom
- Prior art keywords
- resetting
- locking member
- manual
- jan
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
- H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
- H01H37/5409—Bistable switches; Resetting means
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Thermally Actuated Switches (AREA)
Abstract
1,223,481. Thermal switches. SOLARTRON ELECTRONIC GROUP Ltd. 30 Jan., 1969 [31 Jan., 1968], No. 5045/68. Heading HlN. In a thermal switch of the type in which contact carrying tongue 19, Fig. 1, of a bimetal member 13 is latched up to prevent reclosure of the contacts by a resilient locking member 21 the end 20 of the tongue is rounded or ramped whereby, on manual resetting, when the locking member 21 is partially withdrawn by resetting member 27 the ramped end 20 completes the displacement of the locking member 21 as the arm 19 snaps back to the contacts closed portion. The resetting member 27 moulded from elastomeric material is pivoted at 23 to the body 11 of the switch and has an integral resilient limb 25 engaging the body to act as a retractive spring for the manual actuating system. An abutment surface 29 is provided in the member 27 for engagement by a push rod on axis 30, a projection 32 on the member 27 engaging a bent end 33 of the resilient locking member 21 during resetting. Modifications are referred to in which a ball and socket joint is provided at the abutment surface 29 for connection to the manual actuator. Specification 1,036,127 is referred to. Reference has been directed by the Comptroller to Specification 1,036,127.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB504568A GB1223481A (en) | 1968-01-31 | 1968-01-31 | Thermally-tripped switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB504568A GB1223481A (en) | 1968-01-31 | 1968-01-31 | Thermally-tripped switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1223481A true GB1223481A (en) | 1971-02-24 |
Family
ID=9788708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB504568A Expired GB1223481A (en) | 1968-01-31 | 1968-01-31 | Thermally-tripped switch |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1223481A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2466846A1 (en) * | 1979-10-05 | 1981-04-10 | Otter Controls Ltd | Snap-action, spring-locking switch - has one spring end locking against retaining upright of U=shaped spring |
| FR2517108A1 (en) * | 1981-11-26 | 1983-05-27 | Otter Controls Ltd | SWITCH CHARACTERIZED BY ITS LOCKING AND ACTUATING DEVICES |
| GB2128409A (en) * | 1982-09-27 | 1984-04-26 | Otter Controls Ltd | Manually releasable latching members |
-
1968
- 1968-01-31 GB GB504568A patent/GB1223481A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2466846A1 (en) * | 1979-10-05 | 1981-04-10 | Otter Controls Ltd | Snap-action, spring-locking switch - has one spring end locking against retaining upright of U=shaped spring |
| FR2517108A1 (en) * | 1981-11-26 | 1983-05-27 | Otter Controls Ltd | SWITCH CHARACTERIZED BY ITS LOCKING AND ACTUATING DEVICES |
| GB2128409A (en) * | 1982-09-27 | 1984-04-26 | Otter Controls Ltd | Manually releasable latching members |
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