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FR544706A - Perfectionnements aux douilles de lampes électriques - Google Patents

Perfectionnements aux douilles de lampes électriques

Info

Publication number
FR544706A
FR544706A FR544706DA FR544706A FR 544706 A FR544706 A FR 544706A FR 544706D A FR544706D A FR 544706DA FR 544706 A FR544706 A FR 544706A
Authority
FR
France
Prior art keywords
electric lamp
lamp sockets
sockets
electric
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
Application number
Other languages
English (en)
Inventor
Ralph Lomax
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.)
COMPRESSION STARTER AND SWITCH
Original Assignee
COMPRESSION STARTER AND SWITCH
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 COMPRESSION STARTER AND SWITCH filed Critical COMPRESSION STARTER AND SWITCH
Application granted granted Critical
Publication of FR544706A publication Critical patent/FR544706A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/05—Two-pole devices
    • H01R33/46—Two-pole devices for bayonet type base
    • 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)
FR544706D 1921-03-03 1921-12-20 Perfectionnements aux douilles de lampes électriques Expired FR544706A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB544706X 1921-03-03

Publications (1)

Publication Number Publication Date
FR544706A true FR544706A (fr) 1922-09-27

Family

ID=10471105

Family Applications (1)

Application Number Title Priority Date Filing Date
FR544706D Expired FR544706A (fr) 1921-03-03 1921-12-20 Perfectionnements aux douilles de lampes électriques

Country Status (1)

Country Link
FR (1) FR544706A (fr)

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