GB537296A - Improvements relating to electric lamp masks - Google Patents

Improvements relating to electric lamp masks

Info

Publication number
GB537296A
GB537296A GB32231/39A GB3223139A GB537296A GB 537296 A GB537296 A GB 537296A GB 32231/39 A GB32231/39 A GB 32231/39A GB 3223139 A GB3223139 A GB 3223139A GB 537296 A GB537296 A GB 537296A
Authority
GB
United Kingdom
Prior art keywords
lamp
semi
electric lamp
improvements relating
masks
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
GB32231/39A
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.)
HORACE VICTOR SIMCO
ZF International UK Ltd
Original Assignee
HORACE VICTOR SIMCO
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 HORACE VICTOR SIMCO, Joseph Lucas Ltd filed Critical HORACE VICTOR SIMCO
Priority to GB32231/39A priority Critical patent/GB537296A/en
Publication of GB537296A publication Critical patent/GB537296A/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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Abstract

537,296. Lamp masks. LUCAS, Ltd., J. and SIMCO, H. V. Dec. 14, 1939, No. 32231. [Class 75 (iv)] A mask for cycle, vehicle or other electric lamps to be used on the highways comprises a semi-circular plate a of opaque material such as sheet metal, cardboard or synthetic resin which may be readily trimmed to size to fit the upper part of the front of the lamp so as to obscure the upper part of the lamp reflector and an opaque member b of semicylindrical form extending from the lower edge of the member a so that it may act as a shield between the lamp bulb and the lower part of the lamp reflector. To facilitate trimming, the member a may be provided with semi-circular concentric depressions such as c. The members a, b are united by lugs d, e secured by bending, welding, soldering or by an adhesive substance.
GB32231/39A 1939-12-14 1939-12-14 Improvements relating to electric lamp masks Expired GB537296A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB32231/39A GB537296A (en) 1939-12-14 1939-12-14 Improvements relating to electric lamp masks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB32231/39A GB537296A (en) 1939-12-14 1939-12-14 Improvements relating to electric lamp masks

Publications (1)

Publication Number Publication Date
GB537296A true GB537296A (en) 1941-06-17

Family

ID=10335351

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32231/39A Expired GB537296A (en) 1939-12-14 1939-12-14 Improvements relating to electric lamp masks

Country Status (1)

Country Link
GB (1) GB537296A (en)

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