GB832008A - Lighting fittings for tubular fluorescent lamps - Google Patents
Lighting fittings for tubular fluorescent lampsInfo
- Publication number
- GB832008A GB832008A GB21990/57A GB2199057A GB832008A GB 832008 A GB832008 A GB 832008A GB 21990/57 A GB21990/57 A GB 21990/57A GB 2199057 A GB2199057 A GB 2199057A GB 832008 A GB832008 A GB 832008A
- Authority
- GB
- United Kingdom
- Prior art keywords
- flanges
- cover
- fluorescent lamps
- ceiling
- tray
- 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
- F21V17/12—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 by screwing
-
- 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
- F21V17/16—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 by deformation of parts; Snap action mounting
- F21V17/164—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 by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
-
- 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
-
- 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
- F21Y2113/00—Combination of light sources
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
832,008. Lighting fittings for tubular lamps. CROSSLAND Ltd., R. & A. G. June 27, 1958 [July 11, 1957], No. 21990/57. Class 75(4) A lighting fitting for tubular fluorescent lamps for mounting in a recess in a ceiling, comprises an inverted trough 1 containing the lamp holders 6 and having outwardly directed flanges 2, a resilient gasket 11 e.g. of rubber embracing the outer portion of the flanges and having a part 12 of reduced thickness projecting beyond the main body to lie against the ceiling, and a transparent or translucent cover 12 shaped to bear on the extensions of the gasket and having means for attaching it to the flanges of the troughs. The means may comprise pegs 14, the upper enlarged ends 15 of which are engaged by spring clips 16, resilient washers 17 being provided between the heads and the cover 13 and between the cover 13 and a knob 18 on the opposite end of the peg. The lamp holders may be carried by a tray 5 on which the operating gear may also be mounted. The tray is secured to the trough 1 by supporting brackets 9 and may also be connected thereto by chains 10.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB21990/57A GB832008A (en) | 1957-07-11 | 1957-07-11 | Lighting fittings for tubular fluorescent lamps |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB21990/57A GB832008A (en) | 1957-07-11 | 1957-07-11 | Lighting fittings for tubular fluorescent lamps |
Publications (1)
Publication Number | Publication Date |
---|---|
GB832008A true GB832008A (en) | 1960-04-06 |
Family
ID=10172145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB21990/57A Expired GB832008A (en) | 1957-07-11 | 1957-07-11 | Lighting fittings for tubular fluorescent lamps |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB832008A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0248337A1 (en) * | 1986-06-06 | 1987-12-09 | Siemens Aktiengesellschaft | Bent-lever closure for the cover of a light fixture in a humid space |
WO2002044614A1 (en) * | 2000-11-29 | 2002-06-06 | Zumtobel Staff Gmbh | Lamp with a cover panel |
WO2020232513A1 (en) * | 2019-05-23 | 2020-11-26 | Mercator Pty Ltd | Fastener for canopy cover |
-
1957
- 1957-07-11 GB GB21990/57A patent/GB832008A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0248337A1 (en) * | 1986-06-06 | 1987-12-09 | Siemens Aktiengesellschaft | Bent-lever closure for the cover of a light fixture in a humid space |
WO2002044614A1 (en) * | 2000-11-29 | 2002-06-06 | Zumtobel Staff Gmbh | Lamp with a cover panel |
WO2020232513A1 (en) * | 2019-05-23 | 2020-11-26 | Mercator Pty Ltd | Fastener for canopy cover |
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