FR704160A - Device for adjusting the position of fittings or incandescent lamp holders - Google Patents

Device for adjusting the position of fittings or incandescent lamp holders

Info

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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR704160A publication Critical patent/FR704160A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/02Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/28Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of CHx-moieties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/10Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
    • F21V21/104Pendants

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)
FR704160D 1929-11-30 1930-10-20 Device for adjusting the position of fittings or incandescent lamp holders Expired FR704160A (en)

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)

Also Published As

Publication number Publication date
GB348005A (en) 1931-05-07
DE532561C (en) 1931-08-31

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