GB800209A - Improvements in and relating to electric torches, more particularly hand torches and bicycle lamps - Google Patents
Improvements in and relating to electric torches, more particularly hand torches and bicycle lampsInfo
- Publication number
- GB800209A GB800209A GB13715/55A GB1371555A GB800209A GB 800209 A GB800209 A GB 800209A GB 13715/55 A GB13715/55 A GB 13715/55A GB 1371555 A GB1371555 A GB 1371555A GB 800209 A GB800209 A GB 800209A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reflector
- casing
- torches
- coloured
- torch
- 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
- F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L2/00—Systems of electric lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
800,209. Coloured screens for lighting fittings. HIND, L. H. May 14, 1956 [May 12, 1955]. No. 13715/55. Class 75(4) An electric lighting fitting adapted particularly for a torch or bicycle lamp comprises a reflector having a slot therein through which a plane, coloured, pivotallymounted filter can be moved in its own plane from a position outside the reflector to a position within the reflector in order to colour the light emitted from the bulb. In the example a torch is arranged to carry two differently coloured filters 15 and 17, e.g. red and green respectively, which are pivoted upon an inwardly directed annular flange 10a at the upper end of the casing 10 and are each provided with an operating knob 19 on a portion thereof extending through an opening 11a in the periphery of the lens-carrying cover 11. The reflector 12 comprises a forward portion 12a with a gradually sloping wall and a rear portion 12b having a steeply sloping wall, the junction between the two portions being provided with two oppositely disposed similar slots 12c which are at the level of the filters 15, 17 when the reflector is pisitioned upon the flange 10a of the casing. The open bottom end of the reflector forms the bulb holder in the usual manner. The cover 11 is removably attached to the end of the casing, e.g. by a screw-thread connection of limited rotation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB13715/55A GB800209A (en) | 1955-05-12 | 1955-05-12 | Improvements in and relating to electric torches, more particularly hand torches and bicycle lamps |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB13715/55A GB800209A (en) | 1955-05-12 | 1955-05-12 | Improvements in and relating to electric torches, more particularly hand torches and bicycle lamps |
Publications (1)
Publication Number | Publication Date |
---|---|
GB800209A true GB800209A (en) | 1958-08-20 |
Family
ID=10028054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB13715/55A Expired GB800209A (en) | 1955-05-12 | 1955-05-12 | Improvements in and relating to electric torches, more particularly hand torches and bicycle lamps |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB800209A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3523005A1 (en) * | 1985-06-27 | 1987-01-08 | Sassmannshausen Knut | Flat pocket lamp having a concave mirror reflector and cells arranged juxtaposed for the purpose of power supply |
-
1955
- 1955-05-12 GB GB13715/55A patent/GB800209A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3523005A1 (en) * | 1985-06-27 | 1987-01-08 | Sassmannshausen Knut | Flat pocket lamp having a concave mirror reflector and cells arranged juxtaposed for the purpose of power supply |
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