GB541756A - Improvements in or relating to lenses for vehicle lamps - Google Patents

Improvements in or relating to lenses for vehicle lamps

Info

Publication number
GB541756A
GB541756A GB824940A GB824940A GB541756A GB 541756 A GB541756 A GB 541756A GB 824940 A GB824940 A GB 824940A GB 824940 A GB824940 A GB 824940A GB 541756 A GB541756 A GB 541756A
Authority
GB
United Kingdom
Prior art keywords
ribs
lenses
vehicle lamps
inwardly projecting
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
GB824940A
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.)
SYDNEY PERRY
Original Assignee
SYDNEY PERRY
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 SYDNEY PERRY filed Critical SYDNEY PERRY
Priority to GB824940A priority Critical patent/GB541756A/en
Publication of GB541756A publication Critical patent/GB541756A/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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/28—Cover glass
    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

541,756. Lenses for vehicle lamps. PERRY, S. May 8, 1940, No. 8249. [Class 75 (ii)] Vehicle lamps are fitted with lenses consisting of an outer concavo-convex part a having inwardly projecting cylindrical ribs c and an inner flat or concavo-convex part b having outwardly projecting cylindrical ribs e or inwardly projecting cylindrical ribs f or both outwardly and inwardly projecting ribs e, f. The parts a, b may be of the same or different materials such as glass or a thermoplastic transparent or semi-transparent substance and may be amber-coloured or stippled or frosted. The ribs may be arranged concentrically and slots or holes may be formed in the part b between the ribs.
GB824940A 1940-05-08 1940-05-08 Improvements in or relating to lenses for vehicle lamps Expired GB541756A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB824940A GB541756A (en) 1940-05-08 1940-05-08 Improvements in or relating to lenses for vehicle lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB824940A GB541756A (en) 1940-05-08 1940-05-08 Improvements in or relating to lenses for vehicle lamps

Publications (1)

Publication Number Publication Date
GB541756A true GB541756A (en) 1941-12-10

Family

ID=9848870

Family Applications (1)

Application Number Title Priority Date Filing Date
GB824940A Expired GB541756A (en) 1940-05-08 1940-05-08 Improvements in or relating to lenses for vehicle lamps

Country Status (1)

Country Link
GB (1) GB541756A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999924A (en) * 1957-09-10 1961-09-12 Mottier Felix Anti-fog lighting projector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999924A (en) * 1957-09-10 1961-09-12 Mottier Felix Anti-fog lighting projector

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