DE297249C - - Google Patents

Info

Publication number
DE297249C
DE297249C DENDAT297249D DE297249DA DE297249C DE 297249 C DE297249 C DE 297249C DE NDAT297249 D DENDAT297249 D DE NDAT297249D DE 297249D A DE297249D A DE 297249DA DE 297249 C DE297249 C DE 297249C
Authority
DE
Germany
Application number
DENDAT297249D
Other languages
German (de)
Publication date
Application granted granted Critical
Publication of DE297249C publication Critical patent/DE297249C/de

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
    • F21V17/00Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/02Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21LLIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L2/00Systems of electric lighting devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21LLIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00Electric lighting devices with self-contained electric batteries or cells
    • 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
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0414Arrangement of electric circuit elements in or on lighting devices the elements being switches specially adapted to be used with portable lighting devices
DENDAT297249D DE297249C (en)

Publications (1)

Publication Number Publication Date
DE297249C true DE297249C (en) 1900-01-01

Family

ID=551559

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT297249D DE297249C (en)

Country Status (1)

Country Link
DE (1) DE297249C (en)

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