ES438029A2 - Motor vehicle headlamp having an adjustable light beam - Google Patents

Motor vehicle headlamp having an adjustable light beam

Info

Publication number
ES438029A2
ES438029A2 ES438029A ES438029A ES438029A2 ES 438029 A2 ES438029 A2 ES 438029A2 ES 438029 A ES438029 A ES 438029A ES 438029 A ES438029 A ES 438029A ES 438029 A2 ES438029 A2 ES 438029A2
Authority
ES
Spain
Prior art keywords
lamp
focus
lighting beam
reflector
light beam
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
ES438029A
Other languages
Spanish (es)
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.)
Ducellier et Cie
Original Assignee
Ducellier et Cie
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 Ducellier et Cie filed Critical Ducellier et Cie
Publication of ES438029A2 publication Critical patent/ES438029A2/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/657—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by moving light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

Improvements introduced in the object of the main patent No. 404,985 by: "IMPROVEMENTS INTRODUCED IN THE HEADLIGHTS FOR AUTOMOBILE VEHICLES", with modifiable lighting beam, characterized in that the orientation plate 4, prolonged by a cylindrical element 15 at the end of which The lamp 9 is placed, it includes means capable of pivoting the said lamp relative to a vertical axis XI-XI passing through the focus F of the parabolic reflector according to a semi-elliptical movement in order to modify the position of the lamp 9 of a first position in which the filament 9a is located horizontally to the optical axis, its central point being displaced by a distance A equal to one sixth of its length behind the focus F of the reflector to obtain a lighting beam long-range, to a second position in which the filament 9a of the lamp is located horizontally, perpendicular to The optical axis X - X, confusing its central point with the focus of the reflector, to obtain a shorter, but wider, lighting beam. (Machine-translation by Google Translate, not legally binding)
ES438029A 1974-05-29 1975-05-28 Motor vehicle headlamp having an adjustable light beam Expired ES438029A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7418598A FR2272861B2 (en) 1974-05-29 1974-05-29

Publications (1)

Publication Number Publication Date
ES438029A2 true ES438029A2 (en) 1977-04-01

Family

ID=9139397

Family Applications (1)

Application Number Title Priority Date Filing Date
ES438029A Expired ES438029A2 (en) 1974-05-29 1975-05-28 Motor vehicle headlamp having an adjustable light beam

Country Status (7)

Country Link
BE (1) BE828626R (en)
DE (1) DE2523714A1 (en)
ES (1) ES438029A2 (en)
FR (1) FR2272861B2 (en)
GB (1) GB1492904A (en)
IT (1) IT1046574B (en)
NL (1) NL7505610A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5856999A (en) * 1981-09-30 1983-04-04 東芝ライテック株式会社 Beacon light
JPS5963909U (en) * 1982-10-22 1984-04-27 株式会社津山金属製作所 Lighting equipment for bicycles, etc.

Also Published As

Publication number Publication date
GB1492904A (en) 1977-11-23
DE2523714A1 (en) 1975-12-11
FR2272861A2 (en) 1975-12-26
NL7505610A (en) 1975-12-02
FR2272861B2 (en) 1977-09-30
IT1046574B (en) 1980-07-31
BE828626R (en) 1975-08-18

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