US1759720A - Headlight - Google Patents

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Publication number
US1759720A
US1759720A US35723329A US1759720A US 1759720 A US1759720 A US 1759720A US 35723329 A US35723329 A US 35723329A US 1759720 A US1759720 A US 1759720A
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United States
Prior art keywords
reflector
casing
headlight
housing
wall
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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
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George W Stitzer
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Individual
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Individual
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Priority to US35723329 priority Critical patent/US1759720A/en
Application granted granted Critical
Publication of US1759720A publication Critical patent/US1759720A/en
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    • 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
    • F21V7/00Reflectors for light sources
    • F21V7/04Optical design
    • 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
    • F21S41/30Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32Optical layout thereof
    • F21S41/33Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/334Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
    • F21S41/336Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with discontinuity at the junction between adjacent areas
    • 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

Definitions

  • This invention relates to new and useful improvements in headlights, ⁇ 'and particularly to headlights for automobiles.
  • the present application is an improvement on my prior Patent #1,545,800, issued July One object of the present invention is to provide a headlight wherein the reflector is so constructed and arranged that the lamp bulb is completely hidden from the vision of the drivers of approaching vehicles.
  • Another object is to provide a headlight wherein the reflector is so constructed and arranged that the light rays will be reflected down on the road, ahead of the vehicle, and wherein none of the rays will reach the eyes of approaching drivers.
  • Figure 1 is a front elevation of a headlight made in accordance with the present invention.
  • Figure 2 is a vertical central sectional view on the line 2-2 of Figure 1.
  • FIG. 3 is a side elevation of the head light.
  • 10 represents a casing which is octagonal in cross section, with the uppermost wall removed, and formed on the upper portion of the'casing, is a housing 11, which extends throughout the entire length of the casing, said housing having i the vertical front and rear walls 12 and 13. It will be noted that the casing 10 tapers toward the rear end, while the upper wall of the housing .40 11 is horizontal.
  • the reflector Disposed within the forward end'of the casing 10, is the reflector, represented as a whole by the numeral 14, said reflector comprising a plurality of angularly connected,
  • the inner or rear ends of the reflecting planes 15 are connected to a reflector plate 16, which is secured within the housing 11, adjacent the top wall thereof,
  • the forward ends of the reflecting planes 15 are properly secured to the forward ⁇ ends of the walls of the casing 10, as clearly seen in the drawing.
  • the light from the lamp 17, upon striking the faces of the reflecting planes 15, will be reflected forwardly and downwardly, on the road, such light rays striking the road in such position as not to reach the eyes ofthe approaching drivers. ⁇ In fact, none ofthe light rays, reflected from the surfaces 15, will rise high enough to reach the eyes of appreaching drivers.
  • a casing comprising a plurality of upwardly and rearwardly tapering walls and an upper horizontal longitudinally extending housing, said housing having a depending front'wall the lower edge of'which is cut to conform to and form the upper portion' of the front opening of the casing, and a reflector in the forward portion of the lsaid casing,A said reflector comprising a plurality ofupwardly and inwardly tapering reflecting plates having their forward ends secured to the forward ends of said tapering walls of the casing and having an approximately horizontal flat top wall connected with the said front wall of the housing, and a source of light supported by and depending from saidtop wall and concealed by the front wall of the housing.

Description

G. W. STITZER May 2o, 1930.
HEADLIGHT Filgd Ap 31a/anton W z'zef Patented May 20, 1930 PATENT OFFICE GEORGE W. s'rITznR, or MAHANOY CITY, PENNSYLVANIA HEADLIGHT Application filed April 22,
This invention relates to new and useful improvements in headlights,` 'and particularly to headlights for automobiles.
The present application is an improvement on my prior Patent #1,545,800, issued July One object of the present invention is to provide a headlight wherein the reflector is so constructed and arranged that the lamp bulb is completely hidden from the vision of the drivers of approaching vehicles.
Another object is to provide a headlight wherein the reflector is so constructed and arranged that the light rays will be reflected down on the road, ahead of the vehicle, and wherein none of the rays will reach the eyes of approaching drivers.
Other objects and advantages will be apparent from the following description when taken in connection with the accompanying drawing. j
In the drawing:
Figure 1 is a front elevation of a headlight made in accordance with the present invention.
Figure 2 is a vertical central sectional view on the line 2-2 of Figure 1.
Figure 3 is a side elevation of the head light. l Referring particularly to the accompanying drawing, 10 represents a casing which is octagonal in cross section, with the uppermost wall removed, and formed on the upper portion of the'casing, is a housing 11, which extends throughout the entire length of the casing, said housing having i the vertical front and rear walls 12 and 13. It will be noted that the casing 10 tapers toward the rear end, while the upper wall of the housing .40 11 is horizontal.
Disposed within the forward end'of the casing 10, is the reflector, represented as a whole by the numeral 14, said reflector comprising a plurality of angularly connected,
and rearwardly tapering reflecting plane members 15. The inner or rear ends of the reflecting planes 15 are connected to a reflector plate 16, which is secured within the housing 11, adjacent the top wall thereof,
and in slightly convergent relation thereto.
1929., Serial No. 357,233.
The forward ends of the reflecting planes 15 are properly secured to the forward `ends of the walls of the casing 10, as clearly seen in the drawing.
Upon reference to the sectional view, Figure 2, it will be seen that the reflector 14 inclines sharply downward and forward, and that the forward end of said reflector is cut vertically, thereby producing a reflector which has the general contour of a clamshell. In the approximate center of the wall or plate 16 there is disposed an electric light bulb 17, such bulb being completely hidden from view by approaching drivers, by being situated behind the vertical front wall 12, of the housing 11.
The light from the lamp 17, upon striking the faces of the reflecting planes 15, will be reflected forwardly and downwardly, on the road, such light rays striking the road in such position as not to reach the eyes ofthe approaching drivers.` In fact, none ofthe light rays, reflected from the surfaces 15, will rise high enough to reach the eyes of appreaching drivers.
What is claimed is:
In a headlight, a casing comprising a plurality of upwardly and rearwardly tapering walls and an upper horizontal longitudinally extending housing, said housing having a depending front'wall the lower edge of'which is cut to conform to and form the upper portion' of the front opening of the casing, and a reflector in the forward portion of the lsaid casing,A said reflector comprising a plurality ofupwardly and inwardly tapering reflecting plates having their forward ends secured to the forward ends of said tapering walls of the casing and having an approximately horizontal flat top wall connected with the said front wall of the housing, and a source of light supported by and depending from saidtop wall and concealed by the front wall of the housing.
In testimony whereof, I affix my signature.
lGEORGE W. STI'IZER.
US35723329 1929-04-22 1929-04-22 Headlight Expired - Lifetime US1759720A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US35723329 US1759720A (en) 1929-04-22 1929-04-22 Headlight

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35723329 US1759720A (en) 1929-04-22 1929-04-22 Headlight

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US1759720A true US1759720A (en) 1930-05-20

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US35723329 Expired - Lifetime US1759720A (en) 1929-04-22 1929-04-22 Headlight

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4683525A (en) * 1984-03-01 1987-07-28 Fusion Systems Corporation Lamp having segmented reflector
US5061055A (en) * 1990-07-27 1991-10-29 Lyne Dube Bedside television viewer
US20050062388A1 (en) * 2000-12-04 2005-03-24 Camm David Malcolm Heat-treating methods and systems
US20050179354A1 (en) * 2004-02-12 2005-08-18 Camm David M. High-intensity electromagnetic radiation apparatus and methods

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4683525A (en) * 1984-03-01 1987-07-28 Fusion Systems Corporation Lamp having segmented reflector
US5061055A (en) * 1990-07-27 1991-10-29 Lyne Dube Bedside television viewer
US20050062388A1 (en) * 2000-12-04 2005-03-24 Camm David Malcolm Heat-treating methods and systems
US20050179354A1 (en) * 2004-02-12 2005-08-18 Camm David M. High-intensity electromagnetic radiation apparatus and methods
US7781947B2 (en) 2004-02-12 2010-08-24 Mattson Technology Canada, Inc. Apparatus and methods for producing electromagnetic radiation
US20100276611A1 (en) * 2004-02-12 2010-11-04 Mattson Technology Canada, Inc. High-intensity electromagnetic radiation apparatus and methods
US8384274B2 (en) 2004-02-12 2013-02-26 Mattson Technology, Inc. High-intensity electromagnetic radiation apparatus and methods

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