US20170043710A1 - Vehicle warning lighting system - Google Patents
Vehicle warning lighting system Download PDFInfo
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- US20170043710A1 US20170043710A1 US15/333,298 US201615333298A US2017043710A1 US 20170043710 A1 US20170043710 A1 US 20170043710A1 US 201615333298 A US201615333298 A US 201615333298A US 2017043710 A1 US2017043710 A1 US 2017043710A1
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- Prior art keywords
- light system
- emergency
- emergency light
- lens
- base
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
- B60Q1/52—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking for indicating emergencies
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G3/00—Ambulance aspects of vehicles; Vehicles with special provisions for transporting patients or disabled persons, or their personal conveyances, e.g. for facilitating access of, or for loading, wheelchairs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G3/00—Ambulance aspects of vehicles; Vehicles with special provisions for transporting patients or disabled persons, or their personal conveyances, e.g. for facilitating access of, or for loading, wheelchairs
- A61G3/001—Vehicles provided with medical equipment to perform operations or examinations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/2611—Indicating devices mounted on the roof of the vehicle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/27—Attachment thereof
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- F21S48/2206—
Definitions
- the present invention relates generally to emergency vehicles.
- the invention concerns a roof mounted emergency light system for use on emergency vehicles.
- Roof mounted emergency light systems have been used on emergency vehicles for years to enhance the safety of the operators of the emergency vehicle, as well as the safety of the general public encountering emergency vehicles. Over the years many advances have been made in roof mounted emergency light systems to make the lights more visible. However, many conventional roof mounted emergency light systems are rather bulky and not are aesthetically pleasing. In addition, many conventional roof mounted emergency light systems are not aerodynamic and, therefore, significantly reduced the fuel efficiency of the emergency vehicle.
- roof mounted emergency light systems e.g., “light bars”
- light bars are generally only available in a single pre-configured light design.
- many conventional roof mounted emergency light systems make it difficult or impossible to reconfigure and/or replace the individual emergency lights.
- a roof-mounted emergency light system for an emergency vehicle.
- the emergency light system includes a base and a lens assembly.
- the base is configured for attachment to a roof of the emergency vehicle and the lens assembly is coupled to the base.
- the base includes an inner light supporting region comprising a plurality of generally upright emergency light supporting surfaces.
- the base presents a generally upwardly facing lens supporting surface extending around at least a portion of the light supporting region.
- the lens assembly presents a generally downwardly facing attachment surface having a shape that substantially conforms to the shape of the lens supporting surface.
- a roof-mounted emergency light system for an emergency vehicle having a roof with a sloped portion.
- the emergency light system includes a base, a plurality of emergency lights, and a lens assembly.
- the base is configured for attachment to the sloped portion of the roof.
- the base includes an inner light supporting region comprising a plurality of emergency light supporting surfaces to which the emergency lights are coupled.
- the lens assembly is coupled to the base and covers the inner light supporting region.
- the lens assembly includes one or more lenses through which light from the emergency lights can pass.
- the emergency light system has a maximum depth (Dmax) and a maximum height (Hmax), where the ratio of Dmax to Hmax is at least 1.5:1.
- the emergency light system has a maximum width (Wmax).
- the ratio of Wmax to Dmax is at least 1.25:1 and not more than 4:1.
- the base is configured to cover at least 4 square feet of the roof and the lenses cooperatively present a total outer surface area of at least 2 square feet.
- an emergency vehicle that includes a cab having a roof with a sloped portion, emergency service equipment located behind the cab, and an emergency light system coupled to the sloped portion of the roof.
- the sloped portion of the roof slopes a vertical distance of at least 6 inches over a horizontal distance of 12 inches.
- the emergency light system has a maximum depth (Dmax) and a maximum height (Hmax), where the ratio of Dmax to Hmax is at least 1.25:1.
- FIG. 1 is an isometric view of an emergency vehicle having a cab with a sloped roof to which is attached an emergency light system configured in accordance with certain embodiments of the present invention
- FIG. 2 is an enlarged isometric view of the sloped portion of the emergency vehicle roof with the emergency light system being attached thereto, particularly illustrating the emergency light system as including a base coupled to the roof and a lens assembly coupled to the base;
- FIG. 3 is a side view of the emergency light system attached to the sloped portion of the emergency vehicle roof, particularly illustrating the lens assembly in a closed position relative to the base;
- FIG. 4 a side view of the emergency light system attached to the sloped portion of the emergency vehicle roof, particularly illustrating the lens assembly in an open position relative to the base, so as to provide access to the interior light supporting region of the emergency light system;
- FIG. 5 is a front view of the emergency light system in an open position, particularly illustrating the configuration of the light supporting surfaces in the interior of the emergency light system;
- FIG. 6 is an exploded view showing the individual components of the emergency light system, particularly illustrating how the lens assembly is formed of a lens support structure that supports the plurality of individual lenses;
- FIG. 8 is a cross-sectional view of the emergency light system taken along line 8 - 8 in FIG. 7 showing various reference points and parameters used to define the unique shape of the emergency light system.
- references to “one embodiment”, “an embodiment”, or “embodiments” mean that the feature or features being referred to are included in at least one embodiment of the invention.
- references to “one embodiment”, “an embodiment”, or “embodiments” in this description do not necessarily refer to the same embodiment and are also not mutually exclusive unless so stated and/or except as will be readily apparent to those skilled in the art from the description.
- a feature, structure, act, etc. described in one embodiment may also be included in other embodiments, but is not necessarily included.
- the present invention can include a variety of combinations and/or integrations of the embodiments described herein.
- FIG. 1 depicts an emergency vehicle 10 having a cab 12 that presents a roof 14 having a sloped portion 16 .
- the cab includes a windshield 18 and the sloped portion 16 of the roof 14 is positioned immediately above and extends generally upwardly and rearwardly from the windshield 18 .
- An emergency light system 20 is coupled to the roof 14 of the emergency vehicle 10 and covers at least a portion of the sloped portion 16 .
- the emergency vehicle 10 shown in FIG. 1 is an ambulance having a patient compartment 22 located immediately behind the cab 12 .
- the present invention is shown in the drawings as being implemented in an ambulance, it should be understood that various other types of emergency vehicles (e.g., fire trucks and tow trucks) can employ the invention.
- any emergency vehicle having a sloped roof portion on the cab is suitable for use in conjunction with the present invention.
- These emergency vehicles typically carry some type of emergency equipment behind the cab of the vehicle.
- the emergency equipment carried by the vehicle includes medical equipment
- the emergency equipment carried by the vehicle may include firefighting equipment and/or medical equipment.
- the lens assembly 26 can be formed of one or more lenses 28 that are rigidly coupled to a lens support structure 30 .
- at least two of the lenses 28 are colored differently from one another.
- one or more of the lenses 28 can be red, while one or more of the lenses 28 can be substantially clear.
- the emergency light system 20 includes three individual lenses 28 , with the outside two lenses being red and the central lens being clear.
- a lens ceiling gasket 33 FIG. 6 ) can be used between the individual lenses 28 to prevent moisture or debris from entering between the lenses 28 .
- the emergency light system 20 can also include a hinge 32 (shown in FIGS. 4 and 5 ) that couples the lens assembly 26 to the base 24 and allows the lens assembly 26 to be shifted relative to the base 24 between a closed position (shown in FIG. 3 ) and an open position (show in FIGS. 4 and 5 ).
- the hinge 32 is a locking hinge that is capable of supporting the lens assembly 26 in the open position without additional external support.
- the base 24 presents a lens supporting surface 34 and the lens assembly 26 presents an attachment surface 36 .
- the shape of the attachment surface 36 substantially conforms to the shape of the lens supporting surface 34 so that when the lens assembly 26 is in the closed position, the lens supporting surface 34 and attachment surface 36 contact one another with minimal or no gaps therebetween.
- a sealing gasket 38 can be attached to one of the lens supporting and attachment surfaces 34 , 36 so that when the lens assembly 26 is in the closed position, the gasket 38 is disposed between the lens supporting surface 34 and attachment surface 36 .
- This gasket 38 can extend entirely around the interior of the emergency light system 20 to prevent moisture and debris from entering the inside of the emergency light system 20 .
- the gasket 38 can be made of any relatively flexible material known in the art as being suitable for use as a seal between two rigid surfaces.
- the emergency light system 20 can also include one or more locking mechanisms 40 ( FIG. 3 ) for coupling the lens assembly 26 to the base 24 in the closed position.
- the locking mechanisms 40 can be any suitable releasable fastener capable of coupling the front and/or sides of the lens assembly 26 to the front and/or sides of the base 24 .
- the locking mechanisms 40 are simply one or more screws.
- the locking mechanisms 40 can include one or more quick-release fasteners, such as draw latches, that permit rapid coupling and decoupling of the lens assembly 26 and the base 24 .
- the hinge 32 and locking mechanisms 40 permit ready access to the interior of the emergency light system 20 so that the individual lights contained therein can be readily reconfigured, repaired, or replaced.
- the light supporting region 42 includes a plurality of light supporting surfaces 44 to which individual emergency lights 46 can be coupled.
- the light supporting region 42 includes at least 4, 6, 8, 10, or 12 of the light supporting surfaces 44 .
- These light supporting surfaces 44 can be substantially flat and/or substantially vertical. Further, at least a portion of the light supporting surfaces 44 can be at different elevations and/or can face in different directions. In the embodiment depicted in FIGS.
- the light supporting surfaces 44 include an upper group of light supporting surfaces and a lower group of light supporting surfaces, where the upper group of light supporting surfaces are located at a higher elevation than the lower group of light supporting surfaces and are also horizontally offset rearwardly relative to the lower group of light supporting surfaces. This variety in position and direction of the light supporting surfaces 44 permits the same base 24 to be used for a variety of different light configurations.
- FIGS. 7 and 8 show various reference lines, references points, and dimensions used to define the unique shape of the emergency light system 20 .
- the emergency light system 20 covers a large area of the roof of the emergency vehicle.
- the base 24 can be sized to cover at least 2, 4, 6, 8, or 10 square feet of the emergency vehicle roof.
- the lenses 28 of the lens assembly 26 can be relatively large so that many individual emergency lights can shine therethrough.
- the lenses 28 can present a total outer surface area of at least 2, 4, or 5 square feet through which light from the individual emergency lights can shine.
- the emergency light system 20 can have a relatively low profile. As depicted in FIG. 8 , this low profile configuration can be at least partly quantified by the ratio of the maximum depth (Dmax) of the emergency light system 20 to the maximum height (Hmax) of the emergency light system 20 .
- Dmax is defined herein as the maximum dimension from the front edge of the emergency light system 20 to the rear edge of the emergency light system 20 , measured in the direction of travel in the emergency vehicle. In certain embodiments, Dmax can be at least 12, 18, or 24 inches and/or not more than 48, 42, or 36 inches. As shown in FIG. 8 , Dmax is measured between a reference point “A” and a reference point “B.” Reference point “A” is the point on the front edge of the base 24 located at the maximum depth of the emergency light system 20 , while reference point “B” is the point on the rear edge of the base 24 located at the maximum depth of the emergency light system 20 . A reference line AB is defined between reference point “A” and reference point “B.”
- the ratio of Dmax to Hmax can be at least 1.25:1, 1.5:1, 1.75:1, 2:1, 2.25:1, 2.5:1, 2.75:1, or 3:1. Further, the ratio of Dmax to Hmax can be not more than 20:1, 15:1, 10:1, 8:1, or 6:1.
- reference point “A” represents a central front edge point of the emergency light system 20
- reference point “B” represents a central rear edge point of the emergency light system 20
- reference point “C” represents a central peak point of the emergency light system 20
- a reference line AC extends between reference points “A” and “C”
- a reference line BC extends between reference points “B” and “C.”
- an obtuse interior angle “ ⁇ ” is defined between reference lines AC and BC. This obtuse interior angle “ ⁇ ” can be at least 100, 110, or 120 degrees and/or not more than 170, 160, or 150 degrees.
- a first acute interior angle “ ⁇ ” is defined between reference lines AB and AC, where “ ⁇ ” can be at least 10, 15, or 20 degrees and/or not more than 80, 60, or 50 degrees.
- a second acute interior angle “ ⁇ ” is defined between reference lines AB and BC, where “ ⁇ ” can be at least 10, 15, or 20 degrees and/or not more than 80, 60, or 50 degrees.
- the rounded and low profile nature of the emergency light system 20 can also be at least partially defined by the external radius of curvature “Rp” at reference point “C” (the central peak point). In certain embodiments, “Rp” can be at least 2, 4, 6, 8, or 10 inches.
- the emergency light system 20 can have a maximum width (Wmax) that is measured from the outer point “S 1 ” on one side of the emergency light system 20 to the outer point “S 2 ” on the opposite side of the emergency light system 20 .
- Wmax is measured perpendicular to the direction of travel of the emergency vehicle to which the emergency light system 20 is mounted.
- the ratio of Wmax to Dmax is at least 1:1, 1.25:1, 1.5:1, or 2:1 and/or not more than 4:1, 3:1, or 2.5:1.
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Abstract
Description
- This application is a continuation of co-pending U.S. patent application Ser. No. 14/608,322, filed Jan. 29, 2015, entitled “VEHICLE WARNING LIGHTING SYSTEM,” which is a divisional of co-pending U.S. patent application Ser. No. 14/074,443, filed Nov. 7, 2013, entitled “VEHICLE WARNING LIGHTING SYSTEM,” which claims priority benefit of U.S. Provisional Patent Application Ser. No. 61/818,734, filed May 2, 2013, entitled “FRONT WARNING LIGHT SYSTEM,” the entire disclosures of all applications are incorporated herein by reference.
- The present invention relates generally to emergency vehicles. In particular, the invention concerns a roof mounted emergency light system for use on emergency vehicles.
- Roof mounted emergency light systems have been used on emergency vehicles for years to enhance the safety of the operators of the emergency vehicle, as well as the safety of the general public encountering emergency vehicles. Over the years many advances have been made in roof mounted emergency light systems to make the lights more visible. However, many conventional roof mounted emergency light systems are rather bulky and not are aesthetically pleasing. In addition, many conventional roof mounted emergency light systems are not aerodynamic and, therefore, significantly reduced the fuel efficiency of the emergency vehicle.
- In addition, although different emergency vehicles may have vastly different requirements for roof mounted emergency lighting, conventional roof mounted emergency light systems (e.g., “light bars”) are generally only available in a single pre-configured light design. Further, many conventional roof mounted emergency light systems make it difficult or impossible to reconfigure and/or replace the individual emergency lights.
- Accordingly, there exists a need for a more aesthetically pleasing and aerodynamic roof mounted emergency light system that can be customized with various light configurations and provides easy access to individual lights for reconfiguration and/or replacement of individual emergency lights.
- In one embodiment of the present invention, there is provided a roof-mounted emergency light system for an emergency vehicle. The emergency light system includes a base and a lens assembly. The base is configured for attachment to a roof of the emergency vehicle and the lens assembly is coupled to the base. The base includes an inner light supporting region comprising a plurality of generally upright emergency light supporting surfaces. The base presents a generally upwardly facing lens supporting surface extending around at least a portion of the light supporting region. The lens assembly presents a generally downwardly facing attachment surface having a shape that substantially conforms to the shape of the lens supporting surface.
- In another embodiment, there is provided a roof-mounted emergency light system for an emergency vehicle having a roof with a sloped portion. The emergency light system includes a base, a plurality of emergency lights, and a lens assembly. The base is configured for attachment to the sloped portion of the roof. The base includes an inner light supporting region comprising a plurality of emergency light supporting surfaces to which the emergency lights are coupled. The lens assembly is coupled to the base and covers the inner light supporting region. The lens assembly includes one or more lenses through which light from the emergency lights can pass. The emergency light system has a maximum depth (Dmax) and a maximum height (Hmax), where the ratio of Dmax to Hmax is at least 1.5:1. The emergency light system has a maximum width (Wmax). The ratio of Wmax to Dmax is at least 1.25:1 and not more than 4:1. The base is configured to cover at least 4 square feet of the roof and the lenses cooperatively present a total outer surface area of at least 2 square feet.
- In yet another embodiment, there is provided an emergency vehicle that includes a cab having a roof with a sloped portion, emergency service equipment located behind the cab, and an emergency light system coupled to the sloped portion of the roof. The sloped portion of the roof slopes a vertical distance of at least 6 inches over a horizontal distance of 12 inches. The emergency light system has a maximum depth (Dmax) and a maximum height (Hmax), where the ratio of Dmax to Hmax is at least 1.25:1.
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FIG. 1 is an isometric view of an emergency vehicle having a cab with a sloped roof to which is attached an emergency light system configured in accordance with certain embodiments of the present invention; -
FIG. 2 is an enlarged isometric view of the sloped portion of the emergency vehicle roof with the emergency light system being attached thereto, particularly illustrating the emergency light system as including a base coupled to the roof and a lens assembly coupled to the base; -
FIG. 3 is a side view of the emergency light system attached to the sloped portion of the emergency vehicle roof, particularly illustrating the lens assembly in a closed position relative to the base; -
FIG. 4 a side view of the emergency light system attached to the sloped portion of the emergency vehicle roof, particularly illustrating the lens assembly in an open position relative to the base, so as to provide access to the interior light supporting region of the emergency light system; -
FIG. 5 is a front view of the emergency light system in an open position, particularly illustrating the configuration of the light supporting surfaces in the interior of the emergency light system; -
FIG. 6 is an exploded view showing the individual components of the emergency light system, particularly illustrating how the lens assembly is formed of a lens support structure that supports the plurality of individual lenses; -
FIG. 7 is a top view of the emergency light system showing various reference points and parameters used to define the unique shape of the emergency light system; and -
FIG. 8 is a cross-sectional view of the emergency light system taken along line 8-8 inFIG. 7 showing various reference points and parameters used to define the unique shape of the emergency light system. - The following detailed description of the invention references the accompanying drawings that illustrate specific embodiments in which the invention can be practiced. The embodiments are intended to describe aspects of the invention in sufficient detail to enable those skilled in the art to practice the invention. Other embodiments can be utilized and changes can be made without departing from the scope of the present invention. The following detailed description is, therefore, not to be taken in a limiting sense. The scope of the present invention is defined only by the appended claims, along with the full scope of equivalents to which such claims are entitled.
- In this description, references to “one embodiment”, “an embodiment”, or “embodiments” mean that the feature or features being referred to are included in at least one embodiment of the invention. Separate references to “one embodiment”, “an embodiment”, or “embodiments” in this description do not necessarily refer to the same embodiment and are also not mutually exclusive unless so stated and/or except as will be readily apparent to those skilled in the art from the description. For example, a feature, structure, act, etc. described in one embodiment may also be included in other embodiments, but is not necessarily included. Thus, the present invention can include a variety of combinations and/or integrations of the embodiments described herein.
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FIG. 1 depicts anemergency vehicle 10 having acab 12 that presents aroof 14 having a slopedportion 16. The cab includes awindshield 18 and thesloped portion 16 of theroof 14 is positioned immediately above and extends generally upwardly and rearwardly from thewindshield 18. Anemergency light system 20 is coupled to theroof 14 of theemergency vehicle 10 and covers at least a portion of the slopedportion 16. - The
emergency vehicle 10 shown inFIG. 1 is an ambulance having apatient compartment 22 located immediately behind thecab 12. Although the present invention is shown in the drawings as being implemented in an ambulance, it should be understood that various other types of emergency vehicles (e.g., fire trucks and tow trucks) can employ the invention. Generally, any emergency vehicle having a sloped roof portion on the cab is suitable for use in conjunction with the present invention. These emergency vehicles typically carry some type of emergency equipment behind the cab of the vehicle. In the case of an ambulance, the emergency equipment carried by the vehicle includes medical equipment, whereas in the case of a fire truck, the emergency equipment carried by the vehicle may include firefighting equipment and/or medical equipment. - As shown in
FIGS. 2-6 , theemergency light system 20 includes abase 24 coupled to theroof 14 and alens assembly 26 coupled to and supported by thebase 24. As perhaps best illustrated inFIG. 3 , theemergency light system 20 can be mounted on a portion of theroof 14 having a slopedportion 16. The slopedportion 16 of theroof 14 can slope a vertical distance of at least 6, 8, or 10 inches and/or not more than 18, 16, 14, or 12 inches over a horizontal distance of 12 inches. Additionally, or alternatively, the slopedportion 16 of theroof 14 can slope a vertical distance of at least 8, 10, or 12 inches and/or not more than 20, 18, 16, or 14 inches over a horizontal distance of 18 inches. In certain embodiments, the slopedportion 16 extends across substantially the entire width of theroof 14 of thecab 12. For example, the slopedportion 16 of theroof 14 can have a width of at least 2, 4, or 5 feet. - As illustrated in
FIGS. 3-6 , thelens assembly 26 can be formed of one ormore lenses 28 that are rigidly coupled to alens support structure 30. In certain embodiments, at least two of thelenses 28 are colored differently from one another. For example, one or more of thelenses 28 can be red, while one or more of thelenses 28 can be substantially clear. In the embodiment depicted in the drawings, theemergency light system 20 includes threeindividual lenses 28, with the outside two lenses being red and the central lens being clear. When multiple lenses are used, a lens ceiling gasket 33 (FIG. 6 ) can be used between theindividual lenses 28 to prevent moisture or debris from entering between thelenses 28. - As perhaps best shown in
FIGS. 3-5 , theemergency light system 20 can also include a hinge 32 (shown inFIGS. 4 and 5 ) that couples thelens assembly 26 to thebase 24 and allows thelens assembly 26 to be shifted relative to the base 24 between a closed position (shown inFIG. 3 ) and an open position (show inFIGS. 4 and 5 ). In certain embodiments, thehinge 32 is a locking hinge that is capable of supporting thelens assembly 26 in the open position without additional external support. - As illustrated in
FIGS. 4 and 5 , the base 24 presents alens supporting surface 34 and thelens assembly 26 presents anattachment surface 36. The shape of theattachment surface 36 substantially conforms to the shape of thelens supporting surface 34 so that when thelens assembly 26 is in the closed position, thelens supporting surface 34 andattachment surface 36 contact one another with minimal or no gaps therebetween. As shown inFIG. 6 , a sealinggasket 38 can be attached to one of the lens supporting and attachment surfaces 34, 36 so that when thelens assembly 26 is in the closed position, thegasket 38 is disposed between thelens supporting surface 34 andattachment surface 36. Thisgasket 38 can extend entirely around the interior of theemergency light system 20 to prevent moisture and debris from entering the inside of theemergency light system 20. Thegasket 38 can be made of any relatively flexible material known in the art as being suitable for use as a seal between two rigid surfaces. - The
emergency light system 20 can also include one or more locking mechanisms 40 (FIG. 3 ) for coupling thelens assembly 26 to the base 24 in the closed position. The lockingmechanisms 40 can be any suitable releasable fastener capable of coupling the front and/or sides of thelens assembly 26 to the front and/or sides of thebase 24. In one embodiment, the lockingmechanisms 40 are simply one or more screws. In another embodiment, the lockingmechanisms 40 can include one or more quick-release fasteners, such as draw latches, that permit rapid coupling and decoupling of thelens assembly 26 and thebase 24. Thehinge 32 and lockingmechanisms 40 permit ready access to the interior of theemergency light system 20 so that the individual lights contained therein can be readily reconfigured, repaired, or replaced. - When the
lens assembly 26 is in the open position, as shown inFIGS. 4 and 5 , external access is permitted to alight supporting region 42 of thebase 24. Thelight supporting region 42 includes a plurality of light supportingsurfaces 44 to whichindividual emergency lights 46 can be coupled. In certain embodiments, thelight supporting region 42 includes at least 4, 6, 8, 10, or 12 of the light supporting surfaces 44. Theselight supporting surfaces 44 can be substantially flat and/or substantially vertical. Further, at least a portion of thelight supporting surfaces 44 can be at different elevations and/or can face in different directions. In the embodiment depicted inFIGS. 4-6 , thelight supporting surfaces 44 include an upper group of light supporting surfaces and a lower group of light supporting surfaces, where the upper group of light supporting surfaces are located at a higher elevation than the lower group of light supporting surfaces and are also horizontally offset rearwardly relative to the lower group of light supporting surfaces. This variety in position and direction of thelight supporting surfaces 44 permits thesame base 24 to be used for a variety of different light configurations. -
FIGS. 7 and 8 show various reference lines, references points, and dimensions used to define the unique shape of theemergency light system 20. As mentioned previously, in certain embodiments, theemergency light system 20 covers a large area of the roof of the emergency vehicle. For example, thebase 24 can be sized to cover at least 2, 4, 6, 8, or 10 square feet of the emergency vehicle roof. Further, thelenses 28 of thelens assembly 26 can be relatively large so that many individual emergency lights can shine therethrough. Thus, thelenses 28 can present a total outer surface area of at least 2, 4, or 5 square feet through which light from the individual emergency lights can shine. - In certain embodiments the
emergency light system 20 can have a relatively low profile. As depicted inFIG. 8 , this low profile configuration can be at least partly quantified by the ratio of the maximum depth (Dmax) of theemergency light system 20 to the maximum height (Hmax) of theemergency light system 20. - Referring to
FIG. 8 , Dmax is defined herein as the maximum dimension from the front edge of theemergency light system 20 to the rear edge of theemergency light system 20, measured in the direction of travel in the emergency vehicle. In certain embodiments, Dmax can be at least 12, 18, or 24 inches and/or not more than 48, 42, or 36 inches. As shown inFIG. 8 , Dmax is measured between a reference point “A” and a reference point “B.” Reference point “A” is the point on the front edge of the base 24 located at the maximum depth of theemergency light system 20, while reference point “B” is the point on the rear edge of the base 24 located at the maximum depth of theemergency light system 20. A reference line AB is defined between reference point “A” and reference point “B.” - Referring again to
FIG. 8 , Hmax is defined herein as the maximum dimension from the top of theemergency light system 20 to reference line AB, measured perpendicular to reference line AB in a vertical reference plane that includes reference line AB. In certain embodiments, Hmax can be at least 4, 6, or 8 inches and/or not more than 24, 16, or 12 inches. As shown inFIG. 8 , Hmax is measured from reference line AB to a reference point “C.” Reference point “C” is the point on the exterior peak of thelens assembly 26 that is farthest from reference line AB, measured perpendicular to reference line AB in the vertical plane that includes reference line AB. The ratio of Dmax to Hmax can be at least 1.25:1, 1.5:1, 1.75:1, 2:1, 2.25:1, 2.5:1, 2.75:1, or 3:1. Further, the ratio of Dmax to Hmax can be not more than 20:1, 15:1, 10:1, 8:1, or 6:1. - In the embodiment depicted in
FIG. 8 , reference point “A” represents a central front edge point of theemergency light system 20, reference point “B” represents a central rear edge point of theemergency light system 20, and reference point “C” represents a central peak point of theemergency light system 20. As shown inFIG. 8 , a reference line AC extends between reference points “A” and “C” and a reference line BC extends between reference points “B” and “C.” Due to the low profile nature of theemergency light system 20 depicted in the drawings, an obtuse interior angle “Θ” is defined between reference lines AC and BC. This obtuse interior angle “Θ” can be at least 100, 110, or 120 degrees and/or not more than 170, 160, or 150 degrees. Further, a first acute interior angle “α” is defined between reference lines AB and AC, where “α” can be at least 10, 15, or 20 degrees and/or not more than 80, 60, or 50 degrees. In addition, a second acute interior angle “β” is defined between reference lines AB and BC, where “β” can be at least 10, 15, or 20 degrees and/or not more than 80, 60, or 50 degrees. The rounded and low profile nature of theemergency light system 20 can also be at least partially defined by the external radius of curvature “Rp” at reference point “C” (the central peak point). In certain embodiments, “Rp” can be at least 2, 4, 6, 8, or 10 inches. - As shown in
FIG. 7 , theemergency light system 20 can have a maximum width (Wmax) that is measured from the outer point “S1” on one side of theemergency light system 20 to the outer point “S2” on the opposite side of theemergency light system 20. Wmax is measured perpendicular to the direction of travel of the emergency vehicle to which theemergency light system 20 is mounted. In certain embodiments, the ratio of Wmax to Dmax is at least 1:1, 1.25:1, 1.5:1, or 2:1 and/or not more than 4:1, 3:1, or 2.5:1. - Although the invention has been described with reference to the preferred embodiment illustrated in the attached drawing figures, it is noted that equivalents may be employed and substitutions made herein without departing from the scope of the invention. Having thus described various embodiments of the invention, what is claimed as new and desired to be protected by Letters Patent includes the following:
Claims (20)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US15/333,298 US20170043710A1 (en) | 2013-05-02 | 2016-10-25 | Vehicle warning lighting system |
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US201361818734P | 2013-05-02 | 2013-05-02 | |
US14/074,443 US8973962B2 (en) | 2013-05-02 | 2013-11-07 | Vehicle warning lighting system |
US14/608,322 US9487132B2 (en) | 2013-05-02 | 2015-01-29 | Vehicle warning lighting system |
US15/333,298 US20170043710A1 (en) | 2013-05-02 | 2016-10-25 | Vehicle warning lighting system |
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US14/608,322 Continuation US9487132B2 (en) | 2013-05-02 | 2015-01-29 | Vehicle warning lighting system |
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US20170043710A1 true US20170043710A1 (en) | 2017-02-16 |
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US14/074,443 Expired - Fee Related US8973962B2 (en) | 2013-05-02 | 2013-11-07 | Vehicle warning lighting system |
US14/608,322 Expired - Fee Related US9487132B2 (en) | 2013-05-02 | 2015-01-29 | Vehicle warning lighting system |
US15/333,298 Abandoned US20170043710A1 (en) | 2013-05-02 | 2016-10-25 | Vehicle warning lighting system |
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US14/074,443 Expired - Fee Related US8973962B2 (en) | 2013-05-02 | 2013-11-07 | Vehicle warning lighting system |
US14/608,322 Expired - Fee Related US9487132B2 (en) | 2013-05-02 | 2015-01-29 | Vehicle warning lighting system |
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USD742270S1 (en) * | 2013-06-12 | 2015-11-03 | Code 3, Inc. | Single level low-profile light bar with optional speaker |
USD742269S1 (en) * | 2013-06-12 | 2015-11-03 | Code 3, Inc. | Dual level low-profile light bar with optional speaker |
USD737713S1 (en) * | 2013-10-07 | 2015-09-01 | SpeedTech Lights Inc. | Emergency vehicle light bar |
US9688185B2 (en) * | 2014-03-05 | 2017-06-27 | Halcore Group, Inc. | Corner light assembly for emergency vehicle |
US9840187B2 (en) * | 2014-12-08 | 2017-12-12 | Kwang J. Oh | LED light bar cover |
DE102017208026A1 (en) * | 2017-05-12 | 2018-11-15 | Ford Global Technologies, Llc | Signal system for mounting on a roof of a motor vehicle and motor vehicle |
DE102022122513A1 (en) * | 2022-09-06 | 2024-03-07 | Methode Electronics Malta Ltd. | Modular system for indirect lighting |
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Also Published As
Publication number | Publication date |
---|---|
US9487132B2 (en) | 2016-11-08 |
US20150145269A1 (en) | 2015-05-28 |
US20140327263A1 (en) | 2014-11-06 |
US8973962B2 (en) | 2015-03-10 |
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