GB119270A - Improvements in or relating to Security or Locking Devices for Electric Incandescent Lamps. - Google Patents
Improvements in or relating to Security or Locking Devices for Electric Incandescent Lamps.Info
- Publication number
- GB119270A GB119270A GB1362717A GB1362717A GB119270A GB 119270 A GB119270 A GB 119270A GB 1362717 A GB1362717 A GB 1362717A GB 1362717 A GB1362717 A GB 1362717A GB 119270 A GB119270 A GB 119270A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- security
- ring
- locking devices
- 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.)
- Expired
Links
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
- H01R33/973—Holders with separate means to prevent loosening of the coupling or unauthorised removal of apparatus held for bayonet type coupling devices
Landscapes
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
119,270. Benjamin Electric, Ltd., and Fowler, E. Sept. 21, 1917. Shade - holders. - A ring d which is screwed down on an electric lamp holder so as to serve as a locking-device, and may also form the lower shade ring, is of 1-section and is provided with holes, slots, corrugations, or projections for engagement with prongs &c. of a tool. In another arrangement, the locking ring is above the shade, which is supported by a threadless ring bearing on the pins of the lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1362717A GB119270A (en) | 1917-09-21 | 1917-09-21 | Improvements in or relating to Security or Locking Devices for Electric Incandescent Lamps. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1362717A GB119270A (en) | 1917-09-21 | 1917-09-21 | Improvements in or relating to Security or Locking Devices for Electric Incandescent Lamps. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB119270A true GB119270A (en) | 1918-09-23 |
Family
ID=32408645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1362717A Expired GB119270A (en) | 1917-09-21 | 1917-09-21 | Improvements in or relating to Security or Locking Devices for Electric Incandescent Lamps. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB119270A (en) |
-
1917
- 1917-09-21 GB GB1362717A patent/GB119270A/en not_active Expired
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