GB178774A - Improvements in or relating to electric torches or flashlights - Google Patents

Improvements in or relating to electric torches or flashlights

Info

Publication number
GB178774A
GB178774A GB21283/21A GB2128321A GB178774A GB 178774 A GB178774 A GB 178774A GB 21283/21 A GB21283/21 A GB 21283/21A GB 2128321 A GB2128321 A GB 2128321A GB 178774 A GB178774 A GB 178774A
Authority
GB
United Kingdom
Prior art keywords
flashlights
relating
bulb
reflector
torches
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
GB21283/21A
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.)
WER MVL 1998 Ltd
Original Assignee
Ever Ready Co Great Britain Ltd
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 Ever Ready Co Great Britain Ltd filed Critical Ever Ready Co Great Britain Ltd
Priority to GB21283/21A priority Critical patent/GB178774A/en
Publication of GB178774A publication Critical patent/GB178774A/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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
    • F21V19/047—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret by using spare light sources comprised in or attached to the lighting device and being intended to replace a defect light source by manual mounting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L2/00—Systems of electric lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

178,774. Johnson, F. S., and Ever Ready Co. (Great Britain), Ltd. Aug. 10,1921. Mounting e l e c t r i c lamps in lanterns. - In torches or flashlights, the light is focused by moving the bulb E relatively to the reflector C by transmitting it to the movement of a member, for example a screwthreaded cap J, situated outside of and at the opposite end of the torch, through the bat. tery B. The bulb is mounted in a sleeve D slidable on an extension of the reflector.
GB21283/21A 1921-08-10 1921-08-10 Improvements in or relating to electric torches or flashlights Expired GB178774A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB21283/21A GB178774A (en) 1921-08-10 1921-08-10 Improvements in or relating to electric torches or flashlights

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB21283/21A GB178774A (en) 1921-08-10 1921-08-10 Improvements in or relating to electric torches or flashlights

Publications (1)

Publication Number Publication Date
GB178774A true GB178774A (en) 1922-04-27

Family

ID=10160267

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21283/21A Expired GB178774A (en) 1921-08-10 1921-08-10 Improvements in or relating to electric torches or flashlights

Country Status (1)

Country Link
GB (1) GB178774A (en)

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