FR704160A - Device for adjusting the position of fittings or incandescent lamp holders - Google Patents
Device for adjusting the position of fittings or incandescent lamp holdersInfo
- Publication number
- FR704160A FR704160A FR704160DA FR704160A FR 704160 A FR704160 A FR 704160A FR 704160D A FR704160D A FR 704160DA FR 704160 A FR704160 A FR 704160A
- Authority
- FR
- France
- Prior art keywords
- fittings
- adjusting
- incandescent lamp
- lamp holders
- holders
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/28—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of CHx-moieties
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
- F21V21/104—Pendants
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL532561X | 1929-11-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR704160A true FR704160A (en) | 1931-05-15 |
Family
ID=34132427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR704160D Expired FR704160A (en) | 1929-11-30 | 1930-10-20 | Device for adjusting the position of fittings or incandescent lamp holders |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE532561C (en) |
FR (1) | FR704160A (en) |
GB (1) | GB348005A (en) |
-
1930
- 1930-10-16 GB GB3100130A patent/GB348005A/en not_active Expired
- 1930-10-19 DE DE1930532561D patent/DE532561C/en not_active Expired
- 1930-10-20 FR FR704160D patent/FR704160A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB348005A (en) | 1931-05-07 |
DE532561C (en) | 1931-08-31 |
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