GB643226A - Improvements in and relating to fittings for tubular elongated light sources - Google Patents
Improvements in and relating to fittings for tubular elongated light sourcesInfo
- Publication number
- GB643226A GB643226A GB18316/48A GB1831648A GB643226A GB 643226 A GB643226 A GB 643226A GB 18316/48 A GB18316/48 A GB 18316/48A GB 1831648 A GB1831648 A GB 1831648A GB 643226 A GB643226 A GB 643226A
- Authority
- GB
- United Kingdom
- Prior art keywords
- trough member
- support
- hook
- brackets
- hook members
- 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
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
-
- 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
-
- 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)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
643,226. Lighting fittings. EDISON SWAN ELECTRIC CO., Ltd., WILMAN, D., and KENT, J. July 7, 1948, No. 18316. [Classes 75(iii) and 75(iv)] In a tubular-lamp fitting of the kind comprising a ceiling support-member 1 and a separate quickly removable trough member 4 housing ancillary electrical equipment, the trough member 4 is suspendable in an " open " position (Fig. 2) giving access to its interior, by means of gapped chain links 6, 6a hinged thereto which hook over brackets 3, 3a provided on the support member 1, one or more hook members 12a, 12b, 12c, 12d being provided to allow the trough member 4 to be subsequently fully supported in an " intermediate closed position (Fig. 3) between the " open " position and a finally mounted position (Fig. 4). As shown in Fig. 2 the hook members 12a, 12b, 12c, 12d are arranged to hook over rods 13a, 13b, 13c, 13d welded to the brackets 3, 3a, the trough member being subsequently secured in its fully closed final mounted position by screws 15, Fig. 4. In alternative arrangements for the " intermediate " support position, the hook members 12 may pass through slots in, and engage with, a flange on end-wall brackets forming part of the support member 1, or the trough member 4 maybe provided with slotted laterally extending straps which pass over and rest on the rods 13.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB18316/48A GB643226A (en) | 1948-07-07 | 1948-07-07 | Improvements in and relating to fittings for tubular elongated light sources |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB18316/48A GB643226A (en) | 1948-07-07 | 1948-07-07 | Improvements in and relating to fittings for tubular elongated light sources |
Publications (1)
Publication Number | Publication Date |
---|---|
GB643226A true GB643226A (en) | 1950-09-15 |
Family
ID=10110395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB18316/48A Expired GB643226A (en) | 1948-07-07 | 1948-07-07 | Improvements in and relating to fittings for tubular elongated light sources |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB643226A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4162779A (en) * | 1977-12-14 | 1979-07-31 | The Miller Company | Outlet box mounting device |
US10994966B2 (en) | 2018-06-25 | 2021-05-04 | Otis Elevator Company | Fixture plate and housing |
-
1948
- 1948-07-07 GB GB18316/48A patent/GB643226A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4162779A (en) * | 1977-12-14 | 1979-07-31 | The Miller Company | Outlet box mounting device |
US10994966B2 (en) | 2018-06-25 | 2021-05-04 | Otis Elevator Company | Fixture plate and housing |
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