GB521454A - Improvements in lighting fittings - Google Patents
Improvements in lighting fittingsInfo
- Publication number
- GB521454A GB521454A GB3355938A GB3355938A GB521454A GB 521454 A GB521454 A GB 521454A GB 3355938 A GB3355938 A GB 3355938A GB 3355938 A GB3355938 A GB 3355938A GB 521454 A GB521454 A GB 521454A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ring
- projections
- subsidiary
- lighting fittings
- campbell
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
521,454. Lamp fittings. CAMPBELL, G., and BENJAMIN ELECTRIC, Ltd. Nov. 18, 1938, No. 33559. [Class 75 (ii)] To mount a subsidiary reflector 16, Fig. 1, or 19, Fig. 3, or other element within use is made of a split annular member 12 with projections 12a taking over projections 11a on the main body of the fitting when the ring 12 is expanded by action of the screw 13. Lugs 17 on the ring facilitate the attaching of the subsidiary elements.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3355938A GB521454A (en) | 1938-11-18 | 1938-11-18 | Improvements in lighting fittings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3355938A GB521454A (en) | 1938-11-18 | 1938-11-18 | Improvements in lighting fittings |
Publications (1)
Publication Number | Publication Date |
---|---|
GB521454A true GB521454A (en) | 1940-05-22 |
Family
ID=10354511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3355938A Expired GB521454A (en) | 1938-11-18 | 1938-11-18 | Improvements in lighting fittings |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB521454A (en) |
-
1938
- 1938-11-18 GB GB3355938A patent/GB521454A/en not_active Expired
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