DE249714C - - Google Patents
Info
- Publication number
- DE249714C DE249714C DENDAT249714D DE249714DA DE249714C DE 249714 C DE249714 C DE 249714C DE NDAT249714 D DENDAT249714 D DE NDAT249714D DE 249714D A DE249714D A DE 249714DA DE 249714 C DE249714 C DE 249714C
- Authority
- DE
- Germany
- Prior art keywords
- socket
- spiral
- safety device
- device against
- incandescent lamps
- 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
- 239000002184 metal Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
- H01R33/97—Holders with separate means to prevent loosening of the coupling or unauthorised removal of apparatus held
- H01R33/971—Holders with separate means to prevent loosening of the coupling or unauthorised removal of apparatus held for screw type coupling devices
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE249714C true DE249714C (enrdf_load_html_response) |
Family
ID=508308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT249714D Active DE249714C (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE249714C (enrdf_load_html_response) |
-
0
- DE DENDAT249714D patent/DE249714C/de active Active
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