GB536613A - Improvements in or relating to electric torches and hand lamps and automatic cut out switches therefor - Google Patents

Improvements in or relating to electric torches and hand lamps and automatic cut out switches therefor

Info

Publication number
GB536613A
GB536613A GB2862039A GB2862039A GB536613A GB 536613 A GB536613 A GB 536613A GB 2862039 A GB2862039 A GB 2862039A GB 2862039 A GB2862039 A GB 2862039A GB 536613 A GB536613 A GB 536613A
Authority
GB
United Kingdom
Prior art keywords
torch
relating
cut out
automatic cut
electric
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
GB2862039A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2862039A priority Critical patent/GB536613A/en
Publication of GB536613A publication Critical patent/GB536613A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0414—Arrangement of electric circuit elements in or on lighting devices the elements being switches specially adapted to be used with portable lighting devices

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

536,613. Electric battery lamps and switches. WOOD, H. A. July 8, 1940, No. 28620/39. [Class 39 (ii)] [Also in Group XXXVII] To prevent the lighting of an electric torch except when the torch is directed towards the ground a detachable unit in the form of a capsule 22 and constituting a switch with a spring contact member 24 actuated by a rolling ball 15 is mounted in the rear of the torch casing or between two cells of the torch battery. The small switch chamber may be formed as part of the screw socket of the lamp. The capsule may be fixed within or around a screw shell whereby it may be screwed upon the lamp cap.
GB2862039A 1940-07-08 1940-07-08 Improvements in or relating to electric torches and hand lamps and automatic cut out switches therefor Expired GB536613A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2862039A GB536613A (en) 1940-07-08 1940-07-08 Improvements in or relating to electric torches and hand lamps and automatic cut out switches therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2862039A GB536613A (en) 1940-07-08 1940-07-08 Improvements in or relating to electric torches and hand lamps and automatic cut out switches therefor

Publications (1)

Publication Number Publication Date
GB536613A true GB536613A (en) 1941-05-21

Family

ID=10278473

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2862039A Expired GB536613A (en) 1940-07-08 1940-07-08 Improvements in or relating to electric torches and hand lamps and automatic cut out switches therefor

Country Status (1)

Country Link
GB (1) GB536613A (en)

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