DE197720C - - Google Patents
Info
- Publication number
- DE197720C DE197720C DENDAT197720D DE197720DA DE197720C DE 197720 C DE197720 C DE 197720C DE NDAT197720 D DENDAT197720 D DE NDAT197720D DE 197720D A DE197720D A DE 197720DA DE 197720 C DE197720 C DE 197720C
- Authority
- DE
- Germany
- Prior art keywords
- office
- disk
- positions
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
- H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
- H01H19/58—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch
Landscapes
- Telephone Set Structure (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE197720C true DE197720C (en:Method) |
Family
ID=460585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT197720D Active DE197720C (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE197720C (en:Method) |
-
0
- DE DENDAT197720D patent/DE197720C/de active Active
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