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FR720695A - Improvements to lamp frames - Google Patents

Improvements to lamp frames

Info

Publication number
FR720695A
FR720695A FR720695DA FR720695A FR 720695 A FR720695 A FR 720695A FR 720695D A FR720695D A FR 720695DA FR 720695 A FR720695 A FR 720695A
Authority
FR
France
Prior art keywords
lamp frames
frames
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
French (fr)
Inventor
James Mc Lean
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 filed Critical
Application granted granted Critical
Publication of FR720695A publication Critical patent/FR720695A/en
Expired legal-status Critical Current

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
    • 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
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/18—Latch-type fastening, e.g. with rotary action

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR720695D 1931-07-28 1931-07-28 Improvements to lamp frames Expired FR720695A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR720695T 1931-07-28

Publications (1)

Publication Number Publication Date
FR720695A true FR720695A (en) 1932-02-23

Family

ID=9094350

Family Applications (1)

Application Number Title Priority Date Filing Date
FR720695D Expired FR720695A (en) 1931-07-28 1931-07-28 Improvements to lamp frames

Country Status (1)

Country Link
FR (1) FR720695A (en)

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