GB496390A - Improvements in or relating to lighting fittings - Google Patents
Improvements in or relating to lighting fittingsInfo
- Publication number
- GB496390A GB496390A GB14965/37A GB1496537A GB496390A GB 496390 A GB496390 A GB 496390A GB 14965/37 A GB14965/37 A GB 14965/37A GB 1496537 A GB1496537 A GB 1496537A GB 496390 A GB496390 A GB 496390A
- Authority
- GB
- United Kingdom
- Prior art keywords
- end castings
- reflector
- relating
- lighting
- lighting fittings
- 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
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/101—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening permanently, e.g. welding, gluing or riveting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
496,390. Street &c. lamps. BRITISH THOMSON-HOUSTON CO., Ltd., MAXTED, R., and TUPPEN, E. B. May 29, 1937, No. 14965. [Class 75 (ii)] In a lighting-fitting as shown comprising a mercury or sodium vapour discharge lamp, the reflector 5 is correctly positioned in the casing either (i) between dowel screws 9, Fig. 2, in the end castings 1 and side reflectors 3 also screwed thereto, or (ii) by its ends engaging in slotted studs 10 fixed and yet freely rotatable in the end castings. Reflector 5 may have its edges 14 bent over tie-rods 15 between the end castings.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB14965/37A GB496390A (en) | 1937-05-29 | 1937-05-29 | Improvements in or relating to lighting fittings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB14965/37A GB496390A (en) | 1937-05-29 | 1937-05-29 | Improvements in or relating to lighting fittings |
Publications (1)
Publication Number | Publication Date |
---|---|
GB496390A true GB496390A (en) | 1938-11-29 |
Family
ID=10050678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB14965/37A Expired GB496390A (en) | 1937-05-29 | 1937-05-29 | Improvements in or relating to lighting fittings |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB496390A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2569772A (en) * | 1947-01-13 | 1951-10-02 | Mitchell Mfg Co | Germicidal lamp mounting and reflector |
FR2303232A1 (en) * | 1975-03-04 | 1976-10-01 | Oce Van Der Grinten Nv | REFLECTOR ENVELOPE |
-
1937
- 1937-05-29 GB GB14965/37A patent/GB496390A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2569772A (en) * | 1947-01-13 | 1951-10-02 | Mitchell Mfg Co | Germicidal lamp mounting and reflector |
FR2303232A1 (en) * | 1975-03-04 | 1976-10-01 | Oce Van Der Grinten Nv | REFLECTOR ENVELOPE |
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