GB204418A - Improvements relating to reflectors, shades and globes for electric and other lamps - Google Patents
Improvements relating to reflectors, shades and globes for electric and other lampsInfo
- Publication number
- GB204418A GB204418A GB1837422A GB1837422A GB204418A GB 204418 A GB204418 A GB 204418A GB 1837422 A GB1837422 A GB 1837422A GB 1837422 A GB1837422 A GB 1837422A GB 204418 A GB204418 A GB 204418A
- Authority
- GB
- United Kingdom
- Prior art keywords
- arms
- socket
- ring
- globes
- shades
- 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
- F21V17/06—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the lampholder
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
204,418. Frost, S. J. July 4, 1922. Mounting globes, shades, and reflectors directly on rods or tubes. - A spring holder formed as a stamping from a single sheet of elastic metal comprises a sheet metal ring a having upwardly extending arms c which engage with the lamp socket d to support the reflector &c. e, and downwardly depending arms b which, on insertion of the lamp bulb, engage either with the bulb f or its metal plug g and are forced outwardly so as to press the upper arms c firmly into engagement with the screw-threads of the socket d. The Provisional Specification also states that, in one form, the upper arms, two in number, may be in alignment with the lower arms, and may extend first upwards, and then inwards to the socket, the lower arms extending from the outer edge of the ring. The edges of the upper arms may form part or whole of a circle. In another form, the ring may normally be curved symmetrically in diametrically opposite positions so that on engagement with the socket it tends to straighten, and the socket-engaging arms extend inwards but not upwards from the inner edge of the ring in alignment with the lower arms.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1837422A GB204418A (en) | 1922-07-04 | 1922-07-04 | Improvements relating to reflectors, shades and globes for electric and other lamps |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1837422A GB204418A (en) | 1922-07-04 | 1922-07-04 | Improvements relating to reflectors, shades and globes for electric and other lamps |
Publications (1)
Publication Number | Publication Date |
---|---|
GB204418A true GB204418A (en) | 1923-10-04 |
Family
ID=10111355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1837422A Expired GB204418A (en) | 1922-07-04 | 1922-07-04 | Improvements relating to reflectors, shades and globes for electric and other lamps |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB204418A (en) |
-
1922
- 1922-07-04 GB GB1837422A patent/GB204418A/en not_active Expired
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