US20010011834A1 - Vehicle headliner mounting structure - Google Patents
Vehicle headliner mounting structure Download PDFInfo
- Publication number
- US20010011834A1 US20010011834A1 US09/814,247 US81424701A US2001011834A1 US 20010011834 A1 US20010011834 A1 US 20010011834A1 US 81424701 A US81424701 A US 81424701A US 2001011834 A1 US2001011834 A1 US 2001011834A1
- Authority
- US
- United States
- Prior art keywords
- headliner
- operator
- compartment
- frame
- foam liner
- 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
- B60H1/247—Disposition of several air-diffusers in a vehicle for ventilation-air circulation in a vehicle cabin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
- B60R13/0212—Roof or head liners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0815—Acoustic or thermal insulation of passenger compartments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0846—Insulating elements, e.g. for sound insulation for duct, cable or rod passages, e.g. between engine and passenger compartments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
- B60R2013/0287—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners integrating other functions or accessories
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning For Vehicles (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
- This application is a continuation-in-part of application number Ser. No. 09/412,913 file Oct. 5, 1999.
- 1. Field of the Invention
- The invention is directed to the headliner of a vehicle and in particular to the mounting structure for the headliner that uses upstanding flanges with slots therein about the perimeter of the headliner, and tabs extending from the vehicle structure through the slots to support the headliner.
- 2. Description of the Prior Art
- The operator's compartment on work vehicles used in construction, agriculture mining and forestry operations is typically provided with a roll over protection system (ROPS). In addition to protecting the operator, the operator's compartment performs many other functions. The compartment must conform to various standards and regulations for operator noise comfort, visibility and interior size. As such, the operator's compartment includes sound absorbing materials to reduce noise levels in the compartment. In addition, the operator's compartment maybe provided with a heating, ventilating and air conditioning system (HVAC) to maintain a comfortable operator work environment. The HVAC system can be mounted in the roof structure of the operator's compartment. The air is routed through a series of ducts that are usually formed of molded plastic and are provided with additional insulation to reduce heat transfer from and to the air in the duct. The ducts are usually attached to each other, the HVAC unit, to the insulation and the roof structure by various mechanical mechanisms.
- Typically separate components are used for sound absorption and HVAC airflow distribution functions. Sound absorption is accomplished by adhering or mechanically fastening foam sheets to either the roof or bonding them to the headliner.
- Headliners are typically mounted to the frame structure of the operator's compartment by a number of fasteners. These fasteners can be time consuming to install and are often visible from within the operator's compartment, detracting from an aesthetically pleasing interior appearance.
- The operator's cab of a work vehicle is typically provided with a ROPS on which is mounted a roof structure. The roof structure is provided with a roof having a top surface exposed to the outside and a bottom surface facing the interior of the operator's compartment. A sound insulating foam liner having a top surface and a bottom surface is located under the roof. The top surface of the foam liner is secured to the bottom surface of the roof by adhesives. The bottom surface of the foam liner is provided with ventilating channels. The ventilating channels have two sidewalls and a top wall extending between the sidewalls. A headliner is located below the foam liner. The headliner has a top surface facing the bottom surface of the foam liner and a bottom surface facing the interior of the operator's compartment. The top surface of the headliner encloses the ventilating channels formed in the foam liner thereby forming ventilating ducts. The top surface of the headliner forming the bottom wall, whereas the foam liner forms the two sidewalls and the top wall of the ventilating duct.
- In another aspect of the invention, the headliner is mounted to the structural frame of the operator's station by a plurality of upstanding flanges at the perimeter of the headliner with slots therethrough. The slots receive tabs extending inward from the frame. The headliner flanges are deflected inward to install the headliner and once the slots align with the tabs, the flanges return to, or near to, their nominal positions. The headliner has a foam layer that is preferably pressed against the frame to form a tight, attractive fit between the headliner and the frame.
- FIG. 1 is an exploded perspective view of thew roof structure of an operator's compartment.
- FIG. 2 is a perspective view of the roof structure of the operator's compartment the roof structure being provided with a headliner duct.
- FIG. 3 is a cross sectional view taken along line3-3 in FIG. 2.
- FIG. 4 is a cross sectional view of the roof structure without the foam liner which has been eliminated for illustration purposes.
- FIG. 5 is a perspective view of the upper surface of a headliner.
- FIG. 6 is a sectional view of the headliner of FIG. 5 mounted to the structural frame of the operator's compartment.
- FIG. 1 illustrates the
roof structure 10 of an operator's compartment for a work vehicle. The operator's compartment is defined by six vertically extendingposts 12. Four of theposts 12 are tubular members that extend into horizontally extendingmembers 14 forming the ROPS for the compartment. Twoflanges 16 extend between two pairs ofROPS posts 12 downwardly from the corresponding horizontal extendingmembers 14. The openings between the ROPS posts are provided with windows 17 (only shown in FIG. 3) and doors (not shown). AHVAC compartment 18 is located to the rear of the operator's compartment and is designed to hold a HVAC unit, not shown. - The operator's compartment is provided with a roof structure having three main components, a
roof 20, a rigid sound insulatingfoam liner 22, and aheadliner 24. In the preferred embodiment the roof is formed of sheet metal and is welded to the steel horizontally extending 14 members of the ROPS. Theroof 20 also extends over theHVAC compartment 18 and is provided withdrip channels 26. The roof has atop surface 28 facing the outside and abottom surface 30 facing the interior of the operator's compartment. - The sound insulating
foam liner 22 is located below theroof 20 and is formed from a polyurethane expanding foam or some similar material. The foam liner is manufactured or molded to fill the cavity formed below the roof with sound absorbing material. The foam liner could be a single part or be made up of several parts. Acentral forward section 31 is left open to accommodate HVAC controls and/or a radio in the roof structure. Thetop surface 32 of thefoam liner 22 is fixed to thebottom surface 30 of the roof by adhesives. In addition, the expansion of the foam and adhesives secure thefoam liner 22 to theflanges 16. Thebottom surface 34 of the foam liner is provided withventilating channels 36 havingsidewalls 38 andtop walls 40. Theseventilating channels 36 can be placed and sized for proper air velocity and distribution. In addition, the foam reduces the airflow noise level of the HVAC system as air is moving through theventilating channels 36. - Located immediately below the
foam liner 22 is theheadliner 24. The headliner is porous so that noise form the interior of the operator's compartment can be deadened by the foam liner. Theheadliner 24 comprises two pieces afront half 41 and aback half 43. The headliner has atop surface 42 facing thefoam liner 22 and abottom surface 44 facing the interior of the operator's compartment. Theheadliner 24 cooperates with the ventilatingchannels 36 formed in thefoam liner 22 to form ventilating ducts. Theheadliner 24 enclosing the ventilatingchannels 36 by forming the bottom wall. To better seal the ventilating ducts the foam liner may be provided with molded in raised edges to increase its sealing effect when the foam liner is compressed into place. The headliner is provided withlouvered vents 46 that are in pneumatic communication with the ventilating ducts to direct air into and from the interior of the operator's compartment. - The side edges47 of the
back half 43 of theheadliner 24 rests on the top edges ofwindows 17 as seen in FIG. 3. Thefront half 41 of theheadliner 24 is provided withside slots 48 andtabs 50 for supporting the headliner. Theside slots 48 engagestabs 52 mounted to the horizontal members of the ROPS as shown in FIG. 4. Whereastabs 50 are inserted into apertures formed in the ROPS also shown in FIG. 4. It should be noted that the foam liner has not been illustrated in FIG. 4 to better illustrate the headliner mounting structure. - The headliner's primary function is noise reduction and it is constructed of a conventional porous material to let sound from the interior of the operator's compartment pass through to the sound absorbing foam liner where the sound is absorbed. This reduces operator's compartment noise level. The headliner's secondary function is to be the bottom wall of the ventilating ducts for the HVAC system, and retain the adjustable or fixed louvers for operator controlled or directed airflow.
- An alternative embodiment of the headliner is shown in FIG. 5 and designated generally as124. The
headliner 124 is mounted to the frame structure using flanges with slots that receive tabs similar to theslots 48 andtabs 52 described above and shown in FIG. 4. Theheadliner 124 is formed with anupstanding rib 60 about the perimeter of the headliner. Therib 60 extends substantially about the entire perimeter but may have some interruptions. Therib 60 increases the bending strength of the headliner. At periodic locations about the perimeter of the headliner,upstanding flanges 62 are provided that extend above therib 60. Theupstanding flanges 62 extend upward and slightly outward at an angle of five to ten degrees from vertical. Theflanges 62 each have an opening therethrough such aslot 68. - The
headliner 124 is mounted to thehorizontal members 64 of the operator's compartment structural frame as shown in FIG. 6. In this case, the structural frame is a roll over protective structure (ROPS). Thehorizontal members 64 are metal tubes withtabs 66 attached thereto by welding or by other fasteners. Thetabs 66 extend inward from thehorizontal members 64. The headliner is installed in the operator's compartment by deflecting theflanges 62 inward so that the upper end of each flange passes over the distal end of therespective tab 66. Once thetab 66 is aligned with theslot 68 in theflange 62, theflange 62 will return to, or near to, its nominal position. - The
headliner 124 is of a laminate structure having aplastic substrate 76 of ABS, styrene or similar material. Thesubstrate 76 is perforated to permit sound from the interior of the operator's compartment to pass through the headliner and into thefoam liner 22 as described above. A layer ofopen cell foam 78 is bonded to the lower surface of thesubstrate 76 by an adhesive in a roll coating process. Aninterior cover 80 is applied to the inner surface of thefoam 78 through a flame bonding process. Thecover 80 can be a non-woven or woven fabric, perforated vinyl or leather etc. - Once the laminate structure is formed and cut to length in a sheet, it is heated and vacuum formed to the desired shape. After forming, various openings and cut outs are made by water jet trim. The vacuum forming process, which turns up the
rib 60 andflanges 62, creates a living hinge where the substrate is bent upward. The hinge provides resiliency to the substrate to enable theflanges 62 to flex inward to install the headliner. Once thetabs 66 are aligned with theslots 68, the flanges will return toward the nominal position but may not fully return there due to the presence of the structural framehorizontal members 64. This results in thefoam layer 78 being partially compressed and the formation of a tight or snug fit between the headliner and the upperhorizontal members 64 of the frame. The result is a pleasing appearance to the interior appearance of the operator's compartment without any visible fasteners for the headliner. Furthermore, it is easier and faster to install the headliner. - The
headliner 124 hasopenings 70, 72 for ventilation grills, radio or HVAC control panels, etc. In the embodiment shown, theheadliner 124 has aflat portion 74 along the front. Theflat portion 74 rests beneath thehorizontal member 64 of the ROPS at the front of the operator's compartment. The structural strength provided to the headliner by the molded plastic substrate and therib 60 allows the headliner to span across the front of the operator's compartment without additional attachments to the structural frame at that the front. Alternatively, various interior components, such as a sun visor and/or rear view mirror can be bolted through the headliner into the frame along the front, which would provide additional attachment of the headliner to the frame structure. - The
headliner 124 can be used as described above to complete air ducts in the roof. Alternatively, theheadliner 124 can be used in applications where it is not used to form air ducts. - The invention should not be limited by the above described embodiment, but should be limited solely by the claims that follow. For example, the openings through the
flanges 62 may be round holes fitted over inwardly extending pins on the frame.
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/814,247 US6322136B2 (en) | 1999-10-05 | 2001-03-21 | Vehicle headliner mounting structure |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/412,913 US6279978B1 (en) | 1999-10-05 | 1999-10-05 | Work vehicle roof structure |
US09/814,247 US6322136B2 (en) | 1999-10-05 | 2001-03-21 | Vehicle headliner mounting structure |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/412,913 Continuation-In-Part US6279978B1 (en) | 1999-10-05 | 1999-10-05 | Work vehicle roof structure |
Publications (2)
Publication Number | Publication Date |
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US20010011834A1 true US20010011834A1 (en) | 2001-08-09 |
US6322136B2 US6322136B2 (en) | 2001-11-27 |
Family
ID=46257632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/814,247 Expired - Lifetime US6322136B2 (en) | 1999-10-05 | 2001-03-21 | Vehicle headliner mounting structure |
Country Status (1)
Country | Link |
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US (1) | US6322136B2 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1366938A2 (en) * | 2002-05-31 | 2003-12-03 | Behr GmbH & Co. | Cooling system, in particular for a motor vehicle |
US6685262B1 (en) | 2003-03-26 | 2004-02-03 | Lear Corporation | Foam in place integral air duct |
US6846036B2 (en) * | 2002-09-20 | 2005-01-25 | Robert William Stone | Skid steer loader with interior mounted rearview mirrors |
FR2862256A1 (en) * | 2003-11-18 | 2005-05-20 | Volkswagen Ag | Ventilation system especially for commercial vehicle cab has lateral spacer forming air guide channel round cavity between roof panel and liner |
US20050254152A1 (en) * | 2004-05-14 | 2005-11-17 | Michael Houdyshell | Rearview mirror for skid steer loader |
US20070163747A1 (en) * | 2005-11-16 | 2007-07-19 | Sergio Baro | Roof of a cab, in particular for an agricultural machine |
US20130207420A1 (en) * | 2012-02-15 | 2013-08-15 | Ford Global Technologies, Llc | Climate control system for a vehicle |
EP3109076A1 (en) * | 2015-06-23 | 2016-12-28 | Deere & Company | Roof for a work vehicle |
CN107264432A (en) * | 2016-04-07 | 2017-10-20 | 福特环球技术公司 | Roof trim components, the Vehicular system comprising it with and preparation method thereof |
US11557272B2 (en) * | 2019-08-07 | 2023-01-17 | Deere & Company | Flexible sound barrier and rigid mounting assembly and mounting method |
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US6470559B1 (en) * | 2001-07-25 | 2002-10-29 | General Motors Corporation | Modular automotive roof installation method |
US6749255B2 (en) * | 2002-06-21 | 2004-06-15 | Lear Corporation | Blow molded multiple function assemblies for vehicle headliners |
US6929312B2 (en) * | 2003-10-17 | 2005-08-16 | General Motors Corporation | Duct/frame element assemblages and methods of assembling ducts and frame elements |
US6899381B1 (en) | 2003-12-30 | 2005-05-31 | Lear Corporation | Vehicle headliner with a flexible duct |
US7290829B2 (en) * | 2004-06-29 | 2007-11-06 | Kubota Corporation | Working vehicle with a cab |
GB2418892A (en) * | 2004-10-06 | 2006-04-12 | Cnh Belgium Nv | Cab for an agricultural vehicle |
US7503424B2 (en) * | 2005-12-22 | 2009-03-17 | Deere & Company | Vehicle cab noise suppressing system |
US7334834B2 (en) * | 2006-03-09 | 2008-02-26 | Deere & Company | Tractor cab roof with integral HVAC air ducts |
US20100072782A1 (en) * | 2008-09-23 | 2010-03-25 | Ingersoll-Rand Company | Multi-purpose interior for cab applications |
US8523275B2 (en) * | 2008-11-14 | 2013-09-03 | Caterpillar Inc. | Polycarbonate window frame system |
US8240750B2 (en) * | 2009-12-01 | 2012-08-14 | Toyota Motor Engineering & Manufacturing North America, Inc. | Air duct system mating roof air ducts with headliner air ducts |
US8485589B2 (en) | 2010-03-30 | 2013-07-16 | Kubota Corporation | Cabin system |
JP2016030559A (en) * | 2014-07-30 | 2016-03-07 | ヤンマー株式会社 | Work vehicle |
US10787060B1 (en) * | 2016-09-21 | 2020-09-29 | Apple Inc. | Body structure ventilation |
US11440489B2 (en) | 2019-12-20 | 2022-09-13 | Cnh Industrial America Llc | Operator cab for a work vehicle with reduced noise reflection |
US20230116011A1 (en) * | 2021-10-12 | 2023-04-13 | Caterpillar Inc. | Secondary control system and method for mounting with service orientation |
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Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1366938A3 (en) * | 2002-05-31 | 2004-04-07 | Behr GmbH & Co. | Cooling system, in particular for a motor vehicle |
EP1366938A2 (en) * | 2002-05-31 | 2003-12-03 | Behr GmbH & Co. | Cooling system, in particular for a motor vehicle |
US6846036B2 (en) * | 2002-09-20 | 2005-01-25 | Robert William Stone | Skid steer loader with interior mounted rearview mirrors |
US6685262B1 (en) | 2003-03-26 | 2004-02-03 | Lear Corporation | Foam in place integral air duct |
GB2399796A (en) * | 2003-03-26 | 2004-09-29 | Lear Corp | Headliner Assembly |
GB2399796B (en) * | 2003-03-26 | 2005-06-08 | Lear Corp | Foam-in-place integral air duct |
FR2862256A1 (en) * | 2003-11-18 | 2005-05-20 | Volkswagen Ag | Ventilation system especially for commercial vehicle cab has lateral spacer forming air guide channel round cavity between roof panel and liner |
US7334905B2 (en) | 2004-05-14 | 2008-02-26 | Michael Houdyshell | Rearview mirror for skid steer loader |
US20050254152A1 (en) * | 2004-05-14 | 2005-11-17 | Michael Houdyshell | Rearview mirror for skid steer loader |
US20070163747A1 (en) * | 2005-11-16 | 2007-07-19 | Sergio Baro | Roof of a cab, in particular for an agricultural machine |
US7484793B2 (en) * | 2005-11-16 | 2009-02-03 | Denso Thermal Systems Spa | Roof of a cab, in particular for an agricultural machine |
US20130207420A1 (en) * | 2012-02-15 | 2013-08-15 | Ford Global Technologies, Llc | Climate control system for a vehicle |
EP3109076A1 (en) * | 2015-06-23 | 2016-12-28 | Deere & Company | Roof for a work vehicle |
US9902233B2 (en) * | 2015-06-23 | 2018-02-27 | Deere & Company | Roof for a work vehicle |
CN107264432A (en) * | 2016-04-07 | 2017-10-20 | 福特环球技术公司 | Roof trim components, the Vehicular system comprising it with and preparation method thereof |
US10137854B2 (en) * | 2016-04-07 | 2018-11-27 | Ford Global Technologies, Llc | Headliner assembly for a vehicle and a vehicle system using the same |
US11557272B2 (en) * | 2019-08-07 | 2023-01-17 | Deere & Company | Flexible sound barrier and rigid mounting assembly and mounting method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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