GB210643A - Improvements in and relating to illuminating devices - Google Patents
Improvements in and relating to illuminating devicesInfo
- Publication number
- GB210643A GB210643A GB571123A GB571123A GB210643A GB 210643 A GB210643 A GB 210643A GB 571123 A GB571123 A GB 571123A GB 571123 A GB571123 A GB 571123A GB 210643 A GB210643 A GB 210643A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reflector
- support
- lamp
- globe
- relating
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
210,643. British Thomson-Houston Co., Ltd., (General Electric Co.). Feb. 27, 1923. Overhead lamps.-An overhead electric lamp, especially adapted for industrial lighting, comprises a light-diffusing glass globe 20 enclosing an incandescent lamp 10, and a metal reflector 16 positioned over and partially enclosing the globe,. the reflector having a number of openings 21 to allow light to pass vertically upwards on to the ceiling and being supported by means of a holder 12 having spring fingers 13 engaging the lamp socket 11 which is secured to a support 24. In a modification the separate holder is dispensed with and the reflector is provided with a vertical portion for attachment to the support.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB571123A GB210643A (en) | 1923-02-27 | 1923-02-27 | Improvements in and relating to illuminating devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB571123A GB210643A (en) | 1923-02-27 | 1923-02-27 | Improvements in and relating to illuminating devices |
Publications (1)
Publication Number | Publication Date |
---|---|
GB210643A true GB210643A (en) | 1924-02-07 |
Family
ID=9801189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB571123A Expired GB210643A (en) | 1923-02-27 | 1923-02-27 | Improvements in and relating to illuminating devices |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB210643A (en) |
-
1923
- 1923-02-27 GB GB571123A patent/GB210643A/en not_active Expired
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