GB1461583A - Electrical switch - Google Patents
Electrical switchInfo
- Publication number
- GB1461583A GB1461583A GB1205673A GB1205673A GB1461583A GB 1461583 A GB1461583 A GB 1461583A GB 1205673 A GB1205673 A GB 1205673A GB 1205673 A GB1205673 A GB 1205673A GB 1461583 A GB1461583 A GB 1461583A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cam
- stops
- central heating
- pins
- hot water
- 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
- H01H43/00—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed
- H01H43/02—Details
Landscapes
- Feeding And Controlling Fuel (AREA)
Abstract
1461583 Cam-operated switches UNITED GAS INDUSTRIES Ltd 27 Feb 1974 [13 March 1973] 12056/73 Heading H1N Coaxial rotatable cams 19, 20 operating switches having operating members 11a, 12a 12b and 11b, 11c, 12c respectively, have cooperating stops 30<SP>1</SP>, 30<SP>11</SP> which meet when a predetermined relative position is approached to transfer the drive from one cam to the other to prevent the predetermined relative position being reached. Stops 30<SP>1</SP>, 30<SP>11</SP> are the same and have pins 31 which fit into recesses in the side of the cam shown in Fig. 3. The stops 30<SP>1</SP>, 30<SP>11</SP> are removable or alternatively one may be integral with a cam. A detent arm 27 on a body 26 is provided for each cam to engage recesses (22) Fig. 4 (not shown) in each cam with pins 23 which engage the arm 27 to limit rotation of the cam. The switch is intended for a central heating circuit with cam 20 controlling the hot water circuit and cam 19 the central heating, the purpose of the stops being to ensure that the central heating circuit cannot be changed, e.g. or timed, &c. without the hot water circuit also being changed accordingly.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1205673A GB1461583A (en) | 1973-03-13 | 1973-03-13 | Electrical switch |
| NL7402527A NL7402527A (en) | 1973-03-13 | 1974-02-25 | |
| BE141773A BE812021A (en) | 1973-03-13 | 1974-03-07 | PROGRAM SWITCHING DEVICE |
| FR7408186A FR2221804B3 (en) | 1973-03-13 | 1974-03-11 | |
| DE19742411938 DE2411938A1 (en) | 1973-03-13 | 1974-03-13 | PROGRAM SWITCH |
| IT4943674A IT1003825B (en) | 1973-03-13 | 1974-03-21 | PRO GRAM SWITCHING DEVICE PARTICULARLY FOR CENTRAL HEATING SYSTEMS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1205673A GB1461583A (en) | 1973-03-13 | 1973-03-13 | Electrical switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1461583A true GB1461583A (en) | 1977-01-13 |
Family
ID=9997628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1205673A Expired GB1461583A (en) | 1973-03-13 | 1973-03-13 | Electrical switch |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE812021A (en) |
| GB (1) | GB1461583A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4027801A1 (en) * | 1990-09-01 | 1992-03-05 | Abb Patent Gmbh | MULTIMETER WITH AT LEAST THREE INPUT CONNECTIONS |
-
1973
- 1973-03-13 GB GB1205673A patent/GB1461583A/en not_active Expired
-
1974
- 1974-03-07 BE BE141773A patent/BE812021A/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4027801A1 (en) * | 1990-09-01 | 1992-03-05 | Abb Patent Gmbh | MULTIMETER WITH AT LEAST THREE INPUT CONNECTIONS |
Also Published As
| Publication number | Publication date |
|---|---|
| BE812021A (en) | 1974-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |