GB428291A - Improvements relating to signal lamps - Google Patents

Improvements relating to signal lamps

Info

Publication number
GB428291A
GB428291A GB3134733A GB3134733A GB428291A GB 428291 A GB428291 A GB 428291A GB 3134733 A GB3134733 A GB 3134733A GB 3134733 A GB3134733 A GB 3134733A GB 428291 A GB428291 A GB 428291A
Authority
GB
United Kingdom
Prior art keywords
signal lamps
transparent
enclosure
improvements relating
ring
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
GB3134733A
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.)
ZF International UK Ltd
Original Assignee
Joseph Lucas 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 Joseph Lucas Ltd filed Critical Joseph Lucas Ltd
Priority to GB3134733A priority Critical patent/GB428291A/en
Publication of GB428291A publication Critical patent/GB428291A/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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

428,291. Signal lamps; globes. LUCAS, Ltd., J., Great King Street, Birmingham, and HILL, E., 34, Adelaide Road, West Ealing, London. Nov. 10, 1933, No. 31347. [Classes 75 (ii) and 75 (iv)] In signal lamps for use on water and aircraft, on railways, &c., and adapted to display lights of different colours in different directions, a transparent enclosure or cover a for an electric or other light source is formed by a plurality of differently coloured transparent segments n enclosed and held together by a transparent outer part o. The flange c of the enclosure a is clamped between rings b, d, a resilient washer g being interposed. The ring b is hinged at h to a base plate j carrying the lamp socket, a rubber ring s acting as a weather-tight seal.
GB3134733A 1933-11-10 1933-11-10 Improvements relating to signal lamps Expired GB428291A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3134733A GB428291A (en) 1933-11-10 1933-11-10 Improvements relating to signal lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3134733A GB428291A (en) 1933-11-10 1933-11-10 Improvements relating to signal lamps

Publications (1)

Publication Number Publication Date
GB428291A true GB428291A (en) 1935-05-10

Family

ID=10321767

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3134733A Expired GB428291A (en) 1933-11-10 1933-11-10 Improvements relating to signal lamps

Country Status (1)

Country Link
GB (1) GB428291A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2960679A (en) * 1955-08-02 1960-11-15 Harold W Atkins Aircraft warning system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2960679A (en) * 1955-08-02 1960-11-15 Harold W Atkins Aircraft warning system

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