GB601892A - Improvements relating to contact arrangements for electric switching devices - Google Patents
Improvements relating to contact arrangements for electric switching devicesInfo
- Publication number
- GB601892A GB601892A GB2645445A GB2645445A GB601892A GB 601892 A GB601892 A GB 601892A GB 2645445 A GB2645445 A GB 2645445A GB 2645445 A GB2645445 A GB 2645445A GB 601892 A GB601892 A GB 601892A
- Authority
- GB
- United Kingdom
- Prior art keywords
- balls
- plunger
- contacts
- guide
- conducting
- 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
- 229910004682 ON-OFF Inorganic materials 0.000 abstract 1
- 230000000994 depressed Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H67/00—Electrically-operated selector switches
- H01H67/02—Multi-position wiper switches
Landscapes
- Push-Button Switches (AREA)
Abstract
601,892. Retractive switches ; mercury and other conducting-liquid switches. SIEMENS BROS. & CO., Ltd., and CATCHET, E. J. Oct. 10, 1945, No. 26454. [Class 38 (v)] In a switch, comprising fixed contacts separated by balls arranged in an insulating guide, there being two balls per contact pair, one of the balls being conducting and the other non-conducting, the balls are moved along the guide to substitute the next ball for that between the contacts. In the Figs. the ba,lls 9 can be depressed by a plunger 14 against the action of a spring 10, so that the circuit connection between the contacts 7 is made or broken. A guide member 11, attached to the plunger, works in a hole 6 in the body 3, 4 which may be of insulation, formed in two halves, or of metal with an insulating lining. The contacts 7 may be slightly offset so that the balls meet one contact before the other, in order to produce a slight turning effect on the balls, or alternatively, a small angular distortion may be provided in the guide. The balls may be operated directly by the plunger or through a flexible cable or several extra balls. The plunger may be operated electromagnetically and the spring 10 may be replaced by a plunger to provide an on-off switch. A number of switches may be arranged side-by-side or in a circle so that they may be operated by a travelling arm.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB601892A true GB601892A (en) | 1948-05-13 |
Family
ID=1740047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2645445A Expired GB601892A (en) | 1945-10-10 | Improvements relating to contact arrangements for electric switching devices |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB601892A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992015109A2 (en) * | 1991-02-15 | 1992-09-03 | Niessen Guenther | Arrangement of control switching and control device therefor |
-
1945
- 1945-10-10 GB GB2645445A patent/GB601892A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992015109A2 (en) * | 1991-02-15 | 1992-09-03 | Niessen Guenther | Arrangement of control switching and control device therefor |
| WO1992015109A3 (en) * | 1991-02-15 | 1993-01-07 | Guenther Niessen | Arrangement of control switching and control device therefor |
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