GB258215A - Improvements in vehicle headlights or other search lights - Google Patents

Improvements in vehicle headlights or other search lights

Info

Publication number
GB258215A
GB258215A GB5940/26A GB594026A GB258215A GB 258215 A GB258215 A GB 258215A GB 5940/26 A GB5940/26 A GB 5940/26A GB 594026 A GB594026 A GB 594026A GB 258215 A GB258215 A GB 258215A
Authority
GB
United Kingdom
Prior art keywords
ribs
whilst
prismatic
glass
bend
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
GB5940/26A
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.)
Robert Bosch AG
Robert Bosch GmbH
Original Assignee
Robert Bosch AG
Robert Bosch GmbH
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 Robert Bosch AG, Robert Bosch GmbH filed Critical Robert Bosch AG
Publication of GB258215A publication Critical patent/GB258215A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/28Cover glass
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10Use 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)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

258,215. Bosch Akt.-Ges., R. Sept. 14, 1925, [Convention date]. Lenses.-In a front glass for a vehicle or like lamp provided with wedge-shaped or prismatic ribs, one set of such ribs is arranged vertically so as to bend the rays outwards laterally, whilst another set is arranged inclined inwardly towards the bottom of the glass so as to bend the rays outwards downwardly and laterally. In both forms shown in the Figures, less than half the surface of the front glass is covered by concentric and vertical wedge-shaped or prismatic ribs b, b<1> adapted to provide lateral and ground illumination, whilst the remainder is covered by vertical substantially hemi-cylindrical ribs c, c<1> which diffuse the light to both sides to a less degree than the ribs b, b<1> for distant illumination, both sets of ribs being separated by plane strips e. The inner faces of the prismatic ribs are convex whilst the outer faces are at right angles to the surface of the cover glass.
GB5940/26A 1925-09-14 1926-03-03 Improvements in vehicle headlights or other search lights Expired GB258215A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE258215X 1925-09-14

Publications (1)

Publication Number Publication Date
GB258215A true GB258215A (en) 1926-12-02

Family

ID=5966623

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5940/26A Expired GB258215A (en) 1925-09-14 1926-03-03 Improvements in vehicle headlights or other search lights

Country Status (1)

Country Link
GB (1) GB258215A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111853696A (en) * 2020-08-05 2020-10-30 芜湖安瑞光电有限公司 Car light optical assembly and car light with same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111853696A (en) * 2020-08-05 2020-10-30 芜湖安瑞光电有限公司 Car light optical assembly and car light with same

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