GB173934A - Improvements in and relating to incandescent lamps - Google Patents
Improvements in and relating to incandescent lampsInfo
- Publication number
- GB173934A GB173934A GB31224/20A GB3122420A GB173934A GB 173934 A GB173934 A GB 173934A GB 31224/20 A GB31224/20 A GB 31224/20A GB 3122420 A GB3122420 A GB 3122420A GB 173934 A GB173934 A GB 173934A
- Authority
- GB
- United Kingdom
- Prior art keywords
- anchor
- filaments
- leads
- relating
- lamp
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/18—Mountings or supports for the incandescent body
Landscapes
- Resistance Heating (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Electric Stoves And Ranges (AREA)
Abstract
173,934. British Thomson - Houston Co., Ltd., (General Electric Co.). Nov. 4, 1920. Filaments, supports for. -Filaments of the type having a number of straight parallel coils are provided with means for preventing twisting or change of position while the lamp is lighted. A middle bend 6 of the filament passes, in the lamp shown in Fig. 1, over an " anchor " 7 on an insulating piece 8 mounted on the leads 2. To prevent twisting, the lower bends 5 are guided in anchor loops 9. In other forms, such as that shown in Fig. 3, the bend 6 is suspended by an anchor from a bridge insulated from the leads, and the bends 5 are connected to pieces which are movable vertically in the plane of the filament but cannot move in any other direction.
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US398594A US1591910A (en) | 1920-07-23 | 1920-07-23 | Incandescent lamp |
US39843120 US1591911A (en) | 1920-07-23 | 1920-07-23 | Istcarosscelft lamp |
NL19758A NL10193C (en) | 1920-07-23 | 1920-07-23 | |
GB31223/20A GB175025A (en) | 1920-07-23 | 1920-11-04 | Improvements in and relating to incandescent electric lamps |
GB31224/20A GB173934A (en) | 1920-07-23 | 1920-11-04 | Improvements in and relating to incandescent lamps |
FR538901D FR538901A (en) | 1920-07-23 | 1921-07-07 | Incandescent lamp improvements |
FR25162D FR25162E (en) | 1920-07-23 | 1921-07-08 | Incandescent lamp improvements |
DEI21764D DE378816C (en) | 1920-07-23 | 1921-07-19 | Bracket for filament cylinders arranged parallel to each other for electric projection lamps |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US398594A US1591910A (en) | 1920-07-23 | 1920-07-23 | Incandescent lamp |
GB31223/20A GB175025A (en) | 1920-07-23 | 1920-11-04 | Improvements in and relating to incandescent electric lamps |
GB31224/20A GB173934A (en) | 1920-07-23 | 1920-11-04 | Improvements in and relating to incandescent lamps |
Publications (1)
Publication Number | Publication Date |
---|---|
GB173934A true GB173934A (en) | 1922-01-19 |
Family
ID=40456201
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB31224/20A Expired GB173934A (en) | 1920-07-23 | 1920-11-04 | Improvements in and relating to incandescent lamps |
GB31223/20A Expired GB175025A (en) | 1920-07-23 | 1920-11-04 | Improvements in and relating to incandescent electric lamps |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB31223/20A Expired GB175025A (en) | 1920-07-23 | 1920-11-04 | Improvements in and relating to incandescent electric lamps |
Country Status (5)
Country | Link |
---|---|
US (2) | US1591911A (en) |
DE (1) | DE378816C (en) |
FR (2) | FR538901A (en) |
GB (2) | GB173934A (en) |
NL (1) | NL10193C (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL211265A (en) * | 1955-10-14 | |||
US3364377A (en) * | 1964-10-14 | 1968-01-16 | Inst Of Natural Sciences Inc | Incandescent electric lamp |
-
1920
- 1920-07-23 US US39843120 patent/US1591911A/en not_active Expired - Lifetime
- 1920-07-23 NL NL19758A patent/NL10193C/xx active
- 1920-07-23 US US398594A patent/US1591910A/en not_active Expired - Lifetime
- 1920-11-04 GB GB31224/20A patent/GB173934A/en not_active Expired
- 1920-11-04 GB GB31223/20A patent/GB175025A/en not_active Expired
-
1921
- 1921-07-07 FR FR538901D patent/FR538901A/en not_active Expired
- 1921-07-08 FR FR25162D patent/FR25162E/en not_active Expired
- 1921-07-19 DE DEI21764D patent/DE378816C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US1591911A (en) | 1926-07-06 |
NL10193C (en) | 1923-12-15 |
FR538901A (en) | 1922-06-17 |
DE378816C (en) | 1923-08-02 |
US1591910A (en) | 1926-07-06 |
GB175025A (en) | 1922-02-06 |
FR25162E (en) | 1923-01-06 |
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