GB210643A - Improvements in and relating to illuminating devices - Google Patents

Improvements in and relating to illuminating devices

Info

Publication number
GB210643A
GB210643A GB571123A GB571123A GB210643A GB 210643 A GB210643 A GB 210643A GB 571123 A GB571123 A GB 571123A GB 571123 A GB571123 A GB 571123A GB 210643 A GB210643 A GB 210643A
Authority
GB
United Kingdom
Prior art keywords
reflector
support
lamp
globe
relating
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
GB571123A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Priority to GB571123A priority Critical patent/GB210643A/en
Publication of GB210643A publication Critical patent/GB210643A/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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design

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)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Abstract

210,643. British Thomson-Houston Co., Ltd., (General Electric Co.). Feb. 27, 1923. Overhead lamps.-An overhead electric lamp, especially adapted for industrial lighting, comprises a light-diffusing glass globe 20 enclosing an incandescent lamp 10, and a metal reflector 16 positioned over and partially enclosing the globe,. the reflector having a number of openings 21 to allow light to pass vertically upwards on to the ceiling and being supported by means of a holder 12 having spring fingers 13 engaging the lamp socket 11 which is secured to a support 24. In a modification the separate holder is dispensed with and the reflector is provided with a vertical portion for attachment to the support.
GB571123A 1923-02-27 1923-02-27 Improvements in and relating to illuminating devices Expired GB210643A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB571123A GB210643A (en) 1923-02-27 1923-02-27 Improvements in and relating to illuminating devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB571123A GB210643A (en) 1923-02-27 1923-02-27 Improvements in and relating to illuminating devices

Publications (1)

Publication Number Publication Date
GB210643A true GB210643A (en) 1924-02-07

Family

ID=9801189

Family Applications (1)

Application Number Title Priority Date Filing Date
GB571123A Expired GB210643A (en) 1923-02-27 1923-02-27 Improvements in and relating to illuminating devices

Country Status (1)

Country Link
GB (1) GB210643A (en)

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