GB198375A - Improvements in electric incandescent lamps - Google Patents

Improvements in electric incandescent lamps

Info

Publication number
GB198375A
GB198375A GB1393123A GB1393123A GB198375A GB 198375 A GB198375 A GB 198375A GB 1393123 A GB1393123 A GB 1393123A GB 1393123 A GB1393123 A GB 1393123A GB 198375 A GB198375 A GB 198375A
Authority
GB
United Kingdom
Prior art keywords
filaments
contacts
incandescent lamps
lamps
electric incandescent
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
GB1393123A
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 GB1393123A priority Critical patent/GB198375A/en
Publication of GB198375A publication Critical patent/GB198375A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K9/00—Lamps having two or more incandescent bodies separately heated
    • H01K9/02—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies
    • H01K9/04—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies with built-in manually operated switch

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

198,375. Mullor, A. May 26, 1923. Multiple-filament lamps.- Lamps of the kind having a number of filaments adapted to be brought into action separately by rotating the bulb in its holder comprise the following combination of known parts. The filaments are connected each to one of a series of contacts 6 &c. on the cap 4, and all to a common return contact 3 diametrically opposed to all the other contacts, the bayonetpins 1 are secured in a sleeve 2 rotatable upon the lamp cap and retained thereon by a projecting flange on the plug, and glass tubes 8 &c. prevent contact between the filaments.
GB1393123A 1923-05-26 1923-05-26 Improvements in electric incandescent lamps Expired GB198375A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1393123A GB198375A (en) 1923-05-26 1923-05-26 Improvements in electric incandescent lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1393123A GB198375A (en) 1923-05-26 1923-05-26 Improvements in electric incandescent lamps

Publications (1)

Publication Number Publication Date
GB198375A true GB198375A (en) 1924-04-17

Family

ID=10031972

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1393123A Expired GB198375A (en) 1923-05-26 1923-05-26 Improvements in electric incandescent lamps

Country Status (1)

Country Link
GB (1) GB198375A (en)

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