US1101686A - Incandescent electric headlight. - Google Patents

Incandescent electric headlight. Download PDF

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Publication number
US1101686A
US1101686A US70312212A US1912703122A US1101686A US 1101686 A US1101686 A US 1101686A US 70312212 A US70312212 A US 70312212A US 1912703122 A US1912703122 A US 1912703122A US 1101686 A US1101686 A US 1101686A
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United States
Prior art keywords
reflector
lamps
headlight
lens
incandescent electric
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
US70312212A
Inventor
Charles W Dake
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.)
PYLE-NATIONAL ELECTRIC HEADLIGHT Co
PYLE NAT ELECTRIC HEADLIGHT CO
Original Assignee
PYLE NAT ELECTRIC HEADLIGHT CO
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 PYLE NAT ELECTRIC HEADLIGHT CO filed Critical PYLE NAT ELECTRIC HEADLIGHT CO
Priority to US70312212A priority Critical patent/US1101686A/en
Application granted granted Critical
Publication of US1101686A publication Critical patent/US1101686A/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
    • 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
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/162—Incandescent light sources, e.g. filament or halogen lamps
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2101/00—Point-like light sources

Definitions

  • My invention relates to headlights particularly intended for locomotive purposes and has for its object to provide convenient means whereby such headlights may be properly equipped with incandescent lamps.
  • the area of the headlight is relatively small and incandescent lamps, if used, must be grouped so that a suflicient number of them may be mounted in the relatively small field with pro er relation to the lens, reflector or both.
  • A is the base and B the casing. Forwardly projecting from the casing and secured thereto in any desired manner is the thimble C which contains at its outer end the lens 1). Within the casing is the cylindrical sleeve E at the-inner end of which is the reflector F. These parts areproperly secured within the casing and the casing is adapted to be mounted in proper position at the front and end and upper side of the boiler.
  • G, G are incandescent lamps inserted through the openings J, J at the intersection of the cylindrical sleeve E with the reflector F, and these lamps are placed diagonally as shown.
  • K, K are the main conductors to which'the lamps are coupled in multiple by the conductors L, L.
  • the incandescent lamps may be secured. in
  • the parts are all secured together so as to be easily removable from place or from one one another if desired.
  • the short thimble C 1 and lens D may be hinged or otherwise connected so that, being swun to one side, free access is had to the incan escentlamps and the interior of the device.
  • the loss of one or two lamps in the series will not veryjperceptibly effect the practical illuminating power of the lamp.
  • the arrangement of the lamps is effective with a lens only or with a reflector only. I prefer to use lens, reflector
  • the casing is preferably tubular to aid in projecting the rays of light forwardly.
  • the lens is adapted for the same purpose and the reflector in the rear-of the tubular casing is intended for the same purpose.
  • the incandescent lamps are coupled in multiple so that when one lamp is burned out, the others reflector and the sleeve toward the center of 10 are not interfered with the reflector.
  • Iclaiin Signed at Chicago, Illinois, this 10th day A headlight comprising a slightly curved of June, 1912 5 reflector, a cylindrical sleeve projecting forwardly from the periphery of the reflector, and a plurality of electric lights grouped Witnesses: about the reflector and projecting inwardly FRANCIS W. PARKER, from near the line of connection between the LAUREL M. DOREMUS.

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

Description

o. W. pAKE. INGANDESOENT ELECTRIC HEADLIGHT. APPLICATION FILED JUNE 12,1912.
191 @1 68'6 Patented une 30, 1914.
Eva 7%? "It has hitherto been the practice to provide .desirable to substitute incandescent lamps if course, be a considerable number of units so CHARLES WQD KE, or CHICAGO, rumors,
ASSIGNOR T PYLE-NA'I'IONAL ELECTRIC HEADLIGHT COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF NEW JERSESZ'.
INCANDESCENT ELECTRIC HEADLIGHT..
TLJLULGSG.
To all whom it may concern 4 Be it known that I, CHARLES W. DARE, a citizen of the United States, residing at Chicage, in the county of Cook and State of Illinois, have invented a certain new and useful Improvement .in Incandescent Electric Headlights, of which the following is a specification.
My invention relates to headlights particularly intended for locomotive purposes and has for its object to provide convenient means whereby such headlights may be properly equipped with incandescent lamps.
locomotive headlights with are lamps. It is that can be done. To'do this there must, of
that a fairly efiective light will remain after some of the units have burned out or beendestroyed. On the other hand, the area of the headlight is relatively small and incandescent lamps, if used, must be grouped so that a suflicient number of them may be mounted in the relatively small field with pro er relation to the lens, reflector or both.
y invention is illustrated in the accompanying drawings, wherein- Figure l is afront view of a headlight, and Fig. 2 is a side view with parts shown in section.
Like parts are indicated by the same letters in all the figures.
A is the base and B the casing. Forwardly projecting from the casing and secured thereto in any desired manner is the thimble C which contains at its outer end the lens 1). Within the casing is the cylindrical sleeve E at the-inner end of which is the reflector F. These parts areproperly secured within the casing and the casing is adapted to be mounted in proper position at the front and end and upper side of the boiler.
G, G are incandescent lamps inserted through the openings J, J at the intersection of the cylindrical sleeve E with the reflector F, and these lamps are placed diagonally as shown.
Specification of Letters Patent.
Application filed June 12, 1912.
.and incandescent lamps together.
Patented June 311 191141., Serial No. 703,122.
K, K are the main conductors to which'the lamps are coupled in multiple by the conductors L, L.
My drawings are somewhat diagrammatic, but suflicient to indicate the invention and the manner of its use.
The incandescent lamps may be secured. in
any desired manner, but they should be so secured that they can be put into place or removed through the cylindrical sleeve E by moving the lens D or thimble C without dis-- turbing the other parts. Placing the lamps in this inclined way their bulbs are brought together over the reflector leaving a com siderable part of the reflector surface at the middle thereof exposed. I am enabled. to get a much larger number of lamps into position than if they were placed horizontally or sub-- stantially parallel to the lens and ll get a much more effective light than would be pos sible if they were placed parallel with the sides of the cylindrical sleeve E. By arranging the lamps as indicated a large central area of the reflector is entirely free from obstruction and nothing but the transparent lamp and its filaments and wires is placed in front of the reflector.
The use and operation of my invention will be clear from whathas preceded.
, The parts are all secured together so as to be easily removable from place or from one one another if desired. The short thimble C 1 and lens D may be hinged or otherwise connected so that, being swun to one side, free access is had to the incan escentlamps and the interior of the device. The loss of one or two lamps in the series will not veryjperceptibly effect the practical illuminating power of the lamp. The arrangement of the lamps is effective with a lens only or with a reflector only. I prefer to use lens, reflector The casing is preferably tubular to aid in projecting the rays of light forwardly. The lens is adapted for the same purpose and the reflector in the rear-of the tubular casing is intended for the same purpose. The incandescent lamps are coupled in multiple so that when one lamp is burned out, the others reflector and the sleeve toward the center of 10 are not interfered with the reflector.
Iclaiin: Signed at Chicago, Illinois, this 10th day A headlight comprising a slightly curved of June, 1912 5 reflector, a cylindrical sleeve projecting forwardly from the periphery of the reflector, and a plurality of electric lights grouped Witnesses: about the reflector and projecting inwardly FRANCIS W. PARKER, from near the line of connection between the LAUREL M. DOREMUS.
CHARLES W. 'DAKE
US70312212A 1912-06-12 1912-06-12 Incandescent electric headlight. Expired - Lifetime US1101686A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US70312212A US1101686A (en) 1912-06-12 1912-06-12 Incandescent electric headlight.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70312212A US1101686A (en) 1912-06-12 1912-06-12 Incandescent electric headlight.

Publications (1)

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US1101686A true US1101686A (en) 1914-06-30

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US70312212A Expired - Lifetime US1101686A (en) 1912-06-12 1912-06-12 Incandescent electric headlight.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2531956A (en) * 1945-08-29 1950-11-28 Waldorf Adrian Optical lens system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2531956A (en) * 1945-08-29 1950-11-28 Waldorf Adrian Optical lens system

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