GB641883A - Improvements in or relating to lamp holders - Google Patents
Improvements in or relating to lamp holdersInfo
- Publication number
- GB641883A GB641883A GB24001/46A GB2400146A GB641883A GB 641883 A GB641883 A GB 641883A GB 24001/46 A GB24001/46 A GB 24001/46A GB 2400146 A GB2400146 A GB 2400146A GB 641883 A GB641883 A GB 641883A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lamp holder
- relating
- lamp holders
- ridges
- plate
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/06—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the lampholder
-
- 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
- H01R33/05—Two-pole devices
- H01R33/22—Two-pole devices for screw type base, e.g. for lamp
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
641,883. Lamp holders. PHILIPS LAMPS, Ltd. Aug. 13, 1946, No. 24001. Convention date, Nov. 5, 1942. [Class 38 (i)] A lamp holder 1 consists of insulating material with one or more ridges 3, arranged externally on the bottom of the lamp holder. That part of the bottom not provided with ridges 3 is provided with an aperture 4 for a screw which secures the lamp holder on a plate 5, provided with an aperture corresponding in shape with that of the ridge 3. A protective cap may be used to cover the bottom of the lamp holder, the fastening screw passing into the cap through the lamp holder and plate 5 (Fig. 3, not shown).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL641883X | 1942-11-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB641883A true GB641883A (en) | 1950-08-23 |
Family
ID=19791795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB24001/46A Expired GB641883A (en) | 1942-11-05 | 1946-08-13 | Improvements in or relating to lamp holders |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB641883A (en) |
-
1946
- 1946-08-13 GB GB24001/46A patent/GB641883A/en not_active Expired
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