GB454681A - Improved metal pulpit or desk reflector with adjustable shutter, for electric incandescent double ended tubular lamps - Google Patents
Improved metal pulpit or desk reflector with adjustable shutter, for electric incandescent double ended tubular lampsInfo
- Publication number
- GB454681A GB454681A GB1863835A GB1863835A GB454681A GB 454681 A GB454681 A GB 454681A GB 1863835 A GB1863835 A GB 1863835A GB 1863835 A GB1863835 A GB 1863835A GB 454681 A GB454681 A GB 454681A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pulpit
- desk
- metal
- reflector
- ended tubular
- 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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/16—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed
- F21V11/18—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed movable, e.g. flaps, slides
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Connecting Device With Holders (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
- Non-Insulated Conductors (AREA)
Abstract
454,681. Pulpit or desk lamps. GUDLEVSKY, W., and GUDLEVSKY, H., (trading as WOOLF & HARRIS), 8, Ebor Street, Bethnal Green Road, London. June 29, 1935, No. 18638. [Classes 75 (ii) and 75 (iv)] In a metal pulpit or desk reflector composed of a pair of relatively rotatable inner and outer channels within which a double-ended tubular electric lamp is mounted, the inner channel a is rotatable with respect to the outer channel b by providing its ends with metal tabs a<2> having holes a<3> adapted to co-operate with spindles formed by parts of screws which engage with metal caps c serving to hold the outer channel b in position, the lamp being carried by insulated holders d' on a long metal tubular strip d fixed inside the outer channel and accommodating the wiring flex. The screws are locked on the caps by nuts c<6> and are secured to brackets c<3> by nuts c<8>.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1863835A GB454681A (en) | 1935-06-29 | 1935-06-29 | Improved metal pulpit or desk reflector with adjustable shutter, for electric incandescent double ended tubular lamps |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1863835A GB454681A (en) | 1935-06-29 | 1935-06-29 | Improved metal pulpit or desk reflector with adjustable shutter, for electric incandescent double ended tubular lamps |
Publications (1)
Publication Number | Publication Date |
---|---|
GB454681A true GB454681A (en) | 1936-10-06 |
Family
ID=10115888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1863835A Expired GB454681A (en) | 1935-06-29 | 1935-06-29 | Improved metal pulpit or desk reflector with adjustable shutter, for electric incandescent double ended tubular lamps |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB454681A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2197447A (en) * | 1986-10-28 | 1988-05-18 | Anthony Patrick Whitehouse | Plant irradiator |
GB2616897A (en) * | 2022-03-24 | 2023-09-27 | Tm Lighting Ltd | A louvred lighting fixture |
-
1935
- 1935-06-29 GB GB1863835A patent/GB454681A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2197447A (en) * | 1986-10-28 | 1988-05-18 | Anthony Patrick Whitehouse | Plant irradiator |
GB2616897A (en) * | 2022-03-24 | 2023-09-27 | Tm Lighting Ltd | A louvred lighting fixture |
GB2616897B (en) * | 2022-03-24 | 2024-10-02 | Tm Lighting Ltd | A louvred lighting fixture |
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