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US1452654A - Automobile lamp - Google Patents

Automobile lamp Download PDF

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Publication number
US1452654A
US1452654A US47196421A US1452654A US 1452654 A US1452654 A US 1452654A US 47196421 A US47196421 A US 47196421A US 1452654 A US1452654 A US 1452654A
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US
United States
Prior art keywords
lamp
reflector
light
plate
automobile lamp
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 - Lifetime
Application number
Inventor
Albert H Reeks
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to US47196421 priority Critical patent/US1452654A/en
Application granted granted Critical
Publication of US1452654A publication Critical patent/US1452654A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • 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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/19—Attachment of light sources or lamp holders
    • 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • 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
    • 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
    • F21S41/47—Attachment thereof
    • 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

Definitions

  • the principal objects of the invention are, to devise. a light for motor cars which will throw a light forwardly and downwardly to thoroughly illuminate the road giving ample side light without throwing direct and glaring rays upwardly. thus avoiding the blinding of the drivers of approaching vehicles.
  • the principal feature of the invention consists in the novel arrangement of the lamp in relation to the reflector and in the construction of the reflector with a centrally located hole into which the bulb of the lamp is inserted and the lamp socket is arranged in front of the reflector being supported by an opaque semi-circular plate extending across the upper half of the reflector whereby rays of light from the upper half of the reflector are intercepted and concentrated upon the lower half and are projected forwardly from the said lower half.
  • Figure 1 is a front view of my improved lamp.
  • Figure 2 is a vertical sectional view.
  • a parabolic reflector t extends inwardly imity to said reflector.
  • This hole is approximately one inch in diameter.
  • a lamp socket holder 6 is fixed to the plate 2 centrally thereof in horizontal alignment with the axis of the reflector and the lamp 7 is inserted in the socket arranged in the holder with its bulb projecting inward toward the reflector.
  • the glass of the bulb fits close in to the edge of the hole 5 in said reflector.
  • the light emanating from the lamp is projected forwardly from the lower half of the orifice 3 in the plate 2 with a clear cut transverse upper limitation which may be set at any height by the tilting-of the lamp.
  • the rays are definitely restricted by this arrangement of the plate but the light projected from the lower half of the reflector is such as to illuminate the road in front of the vehicle in a most remarkable manner. It throws a white unspotted light on the roadway in a wide angle and gives excellent driving light so.
  • the device is very simple and is cheap to install in head lamps.
  • the outer face of the plate 2 and the inner riwv i are preferably enameled white.
  • the combination with the lamp casing of a deep convergent rim extending inwardly from the glass, a rigid circular plate secured at the inner edge of said rim, said plate having a semi-circular opening in the lower half, reflector arranged back of said plate, and a lamp supported from the upper portion of said plateand extending into close prox- ALBERT H. REEKS.

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

Description

Apr. 24, 1923.
A. H, REEKS AUTOMOBILE LAMP Filed May 25, 1921 in vemmi Patented Apr. 24, 1923.
ALBERT H. BEEKS, OF TORONTO, ONTARIO, CANADA.
"AUTOMOBILE LAMP.
Application filed May 23, 1921.
T all whom. it may concern.
Be it known that I, ALBERT H. Ram re a subject of the King of Great Britain,
. and resident of the city of Toronto, county sition of the of York. Province of Ontario, in the Dominion of Canada, have invented certain new and useful Improvements in Automobile Lamps, described in the following specification and illustrated in the accom iianying drawings, that form part of the same.
The principal objects of the invention are, to devise. a light for motor cars which will throw a light forwardly and downwardly to thoroughly illuminate the road giving ample side light without throwing direct and glaring rays upwardly. thus avoiding the blinding of the drivers of approaching vehicles.
The principal feature of the invention consists in the novel arrangement of the lamp in relation to the reflector and in the construction of the reflector with a centrally located hole into which the bulb of the lamp is inserted and the lamp socket is arranged in front of the reflector being supported by an opaque semi-circular plate extending across the upper half of the reflector whereby rays of light from the upper half of the reflector are intercepted and concentrated upon the lower half and are projected forwardly from the said lower half.
In the drawings, Figure 1 is a front view of my improved lamp.
Figure 2 is a vertical sectional view.
Numerous forms of light dimmers and reflectors have been devised from time to time in order to prevent head light glare which is so dangerous to trafiic'and I have found by extensive experiment that to obstruct the upper half of the reflector and. invert the po- -np so as to bring the light elementthereof close in to the reflector produnes the most remarkable results.
In order to get the lamp into thc l'proper position I find it necessary to pierce the reflcctor and as shown in the accompanying ::.drawings, I construct my improved lamp with a deep converging inner rim 1 at the smaller diameter of which is secured a circular plate 2 having a semi-circular orifice 3 cut therein.
.A parabolic reflector t extends inwardly imity to said reflector.
Serial No. 471,964.
from the orifice in the plate 2 and the centre of this reflector ispierced with a hole 5. This hole is approximately one inch in diameter.
A lamp socket holder 6 is fixed to the plate 2 centrally thereof in horizontal alignment with the axis of the reflector and the lamp 7 is inserted in the socket arranged in the holder with its bulb projecting inward toward the reflector.
The glass of the bulb fits close in to the edge of the hole 5 in said reflector. The light emanating from the lamp is projected forwardly from the lower half of the orifice 3 in the plate 2 with a clear cut transverse upper limitation which may be set at any height by the tilting-of the lamp. The rays are definitely restricted by this arrangement of the plate but the light projected from the lower half of the reflector is such as to illuminate the road in front of the vehicle in a most remarkable manner. It throws a white unspotted light on the roadway in a wide angle and gives excellent driving light so.
that the driver may clearly see on either side of him the condition of the road and it also projects the light well forward to give ample illumination of the road ahead and by actual test shows for a single lamp a spread of thirty feet at a distance of 100 Feet from the lamp with practically no rays rising above four feet.
When two lamps are used and focused together the light is of cqurse grcatlyiner-eased. The rays projected seem to he diffused and free from glare and will meet the most rigid requirements of non-glare laws.
The device is very simple and is cheap to install in head lamps. The outer face of the plate 2 and the inner riwv i are preferably enameled white.
What I claim as my invention is:--
In an automobile headlight, the combination with the lamp casing, of a deep convergent rim extending inwardly from the glass, a rigid circular plate secured at the inner edge of said rim, said plate having a semi-circular opening in the lower half, reflector arranged back of said plate, and a lamp supported from the upper portion of said plateand extending into close prox- ALBERT H. REEKS.
US47196421 1921-05-23 1921-05-23 Automobile lamp Expired - Lifetime US1452654A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US47196421 US1452654A (en) 1921-05-23 1921-05-23 Automobile lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47196421 US1452654A (en) 1921-05-23 1921-05-23 Automobile lamp

Publications (1)

Publication Number Publication Date
US1452654A true US1452654A (en) 1923-04-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
US47196421 Expired - Lifetime US1452654A (en) 1921-05-23 1921-05-23 Automobile lamp

Country Status (1)

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