FMVSS 201 REGULATION PDF

FMVSS 201 REGULATION PDF

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July 20, 2020

The Purpose of FMVSS U. ▫. CFR = Code of Federal Regulations. ▫. “This standard specifies requirements to afford impact protection for. Internationally there are two important regulations regarding the design of interiors, such as cockpits, roof and door liners: The U.S. FMVSS and the. /Tuesday, September 11, /Rules and Regulations .. driver’s seating position in an FMVSS No. pole impact test, or (b) HIC15 performance of .

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This standard specifies requirements to afford impact protection for occupants. This standard applies to passenger cars and to multipurpose passenger vehiclestrucks, and buses with a GVWR of 4, kilograms or less, except that the requirements of S6 do not apply to buses with a GVWR of more than 3, kilograms. A-pillar means any pillar that is entirely forward of a transverse vertical plane passing through the seating reference point of the driver ‘s seat.

Ambulance means a motor vehicle designed exclusively for the purpose of emergency medical care, as evidenced by the presence of a passenger compartment to accommodate emergency medical personnel, one or more patients on litters or cots, and equipment and supplies for emergency care at a location or during transport. B-pillar means the forwardmost pillar on each side of the vehicle that is, in whole or in part, rearward of a transverse vertical plane passing through the seating reference point of the driver ‘s seat, unless:.

Brace means a fixed diagonal structural member in an open body vehicle that is used to brace the roll-bar and that connects the roll-bar to the main body of the vehicle structure.

Convertible means a vehicle whose A-pillars are not joined with the B-pillars or rearmost pillars by a fixed, rigid structural member. Convertible roof frame means the frame of a convertible roof. Convertible roof linkage mechanism means any anchorage, fastener, or device necessary to deploy a convertible roof frame.

Daylight opening means, for openings on the side of the vehicle, other than a door openingthe locus of all points where a horizontal lineperpendicular to the vehicle longitudinal centerline, is tangent to the periphery of the opening.

For openings on the front and rear of the vehicle, other than a door openingdaylight opening means the locus of all points where a horizontal lineparallel to the vehicle longitudinal centerline, is tangent to the periphery of the opening. If the horizontal line is tangent to the periphery at more than one point at any location, the most inboard point is used to determine the daylight opening.

Door frame means the rearmost perimeter structure, including trim but excluding glass, of the forward door and the forwardmost perimeter structure, including trim but excluding glass, of the rear door of a pair of adjacent side doors that:.

Door opening means, for door openings on the side of the vehicle, the locus of all points where a horizontal lineperpendicular to the vehicle longitudinal centerline, is tangent to the periphery of the side door opening. For door openings on the back end of the vehicle, door opening means the locus of all points where a horizontal lineparallel to the vehicle longitudinal centerline, is tangent to the periphery of the back door opening.

If the horizontal line is tangent to the periphery at more than one point at any location, the most inboard point is the door opening.

Head Impact on Vehicle Interiors: FMVSS 201 and UN R21

Dynamically deployed upper interior head protection system means a protective device or devices which are integrated into a vehicle and which, when activated by an impact, provide, through means requiring no action from occupants, protection against head impacts with upper interior structures and components of the vehicle in crashes.

Forehead impact zone means the reglation of the free motion headform surface area that is determined in accordance with the procedure set forth in S8.

Free motion headform means a test device which conforms to the specifications of partsubpart L of this chapter. Interior rear quarter panel means a vehicle interior component located between the rear edge of the side door frame regulattion, the front edge of the rearmost seat back, and the daylight opening.

Mid-sagittal plane of a dummy means a longitudinal vertical plane passing through the seating reference point of a designated seating position.

Other door frame means the rearmost perimeter structure, including trim but excluding glass, of the forward door and the forwardmost perimeter structure, including trim but excluding glass, of the rear door of a pair of adjacent side doors that:.

Other pillar means any pillar which is not an A-pillara B-pillaror a rearmost pillar.

Pillar means any structure, excluding glazing and the vertical portion of door window frames, but including accompanying moldings, attached components such as safety belt anchorages and coat hooks, which:.

Roll-bar means a fixed overhead structural member, including its vertical support structure, that extends from the left to the right side of the passenger compartment of any open body vehicles and convertibles.

It does not include a header. Seat belt anchorage means any component involved in transferring seat belt loads to the vehicle structure, including, but not limited to, the attachment hardwarebut excluding webbing or straps, seat frames, seat pedestals, and the vehicle structure itself, whose failure causes separation of the belt from the vehicle structure. Sliding door track means a track structure along the upper edge of a side door opening that secures the door in the closed position and guides the door when moving to and from the open position.

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Stiffener means a fixed overhead structural member that connects one roll-bar to another roll-bar or to a header of any open body vehicle or convertible. Upper roof means the area of the vehicle interior that is determined in accordance with the procedure set forth in S8. Windshield trim means molding of any material between the windshield glazing and the exterior roof surface, including material that covers a part of either the windshield glazing or exterior roof surface.

S5 Requirements for instrument panels, seat backs, interior compartment doors, sun visors, and armrests.

Head Impact on Vehicle Interiors: FMVSS and UN R21 – Empowering Engineers

Each vehicle shall comply with the requirements specified in S5. Except as provided in S5. Each interior rfgulation door assembly located in an instrument panel, console assembly, seat back, or side panel adjacent to a designated seating position shall remain closed when tested in accordance with either S5. Additionally, any interior compartment door located in an instrument panel or seat back shall remain closed when the instrument panel or seat back is tested in accordance with S5.

All interior compartment door assemblies with a locking device must be tested with the locking device in an unlocked position. Each installed armrest shall conform to at least one of the following:. Any rigid material fmvws 13 and 32 mm from the panel surface shall have a minimum vertical height of not less than 25 mm.

Each armrest that folds into the seat back or between two seat backs shall either:. Except as provided in S6. For vehicles manufactured by final stage manufacturers on or after September 1, and before September 1,a percentage of the manufacturer’s production as specified in S6.

The manufacturer shall select the option by the time it certifies the vehicle and may not thereafter select a different option for the vehicle.

The requirements do not apply to any target that cannot be located using the procedures of S The requirements do not apply to any targets reuglation can not be located by regulxtion the procedures of S The requirements do not apply to any target that can not be located using the procedures of S Vehicles manufactured by final stage manufacturers on or after September 1, shall, except as provided in S6. The requirements do not apply to any targets that cannot be located by using the procedures of S For altered vehicles and vehicles built in two or more stages, including ambulances and motor homes, any target located rearward of a vertical plane mm behind the seating reference point of the driver ‘s designated seating position tests for altered vehicles and vehicles built in two or more stages do not include, within the reyulation period for measuring HIC dany free motion headform contact with components rearward of this plane.

If an altered vehicle or vehicle built in two or more stages is equipped with a transverse vertical partition positioned between the seating reference point of the driver ‘s designated seating position and a vertical plane mm behind the seating reference point of the driver ‘s designated seating position regulatio, any target located rearward of the vertical partition is excluded.

Motor homes, ambulances, and other vehicles manufactured using a chassis cab, a cut-away van, or any other incomplete vehicle delivered to a final stage manufacturer with a furnished front compartment are not excluded under this S6. The HIC d shall not exceed when calculated in accordance with the following formula:. S8 Target location and test conditions. The vehicle shall be tested and the targets specified in S10 located under the following conditions.

The load placed in the cargo area is reuglation over the longitudinal centerline of the vehicle. The top, if any, of convertibles and open-body type vehicles is in the closed passenger compartment configuration. Each sun visor shall be placed in any position where one side of the visor is in contact with the vehicle interior surface windshield, side rail, front header, roof, etc.

If a target is on a seat belt anchorageand if the seat belt anchorage is adjustable, tests are conducted with the anchorage adjusted to a point midway between the two extreme adjustment positions. If the anchorage has distinct adjustment positions, none of which is midway between the two extreme positions, tests are conducted with the anchorage adjusted to the nearest position mfvss the midpoint of the two extreme positions.

The headform used for testing conforms to the specifications of partsubpart L of this chapter. The forehead impact zone of the headform is determined according to the procedure specified in a through f. The midsagittal plane of the headform is designated as Plane S.

The front end of the line is designated as Point P. From Point P, draw a mm line forward toward the forehead, coincident with Plane S, along the contour of the outer skin of the headform. The front end of the line is designated as Point O.

The end of the line on the left side of the headform is designated as Point a and the end on the right as Point b. The end of the line on the left side of the headform is designated as Point c and the end on the right as Point d. Using the same method, draw a line from Point b to Point d.

The area of the vehicle to be impacted by the headform is marked with a solid circle For determination of head center of gravity, all directions are in reference to the seat orientation. For front outboard designated seating positions, the head center of gravity with the seat in its rearmost normal design driving or riding position CG-F2 is located mm rearward and mm upward from the seating reference point.

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For front outboard designated seating positions, the head center of gravity with the seat in its forwardmost adjustment position CG-F1 is located horizontally forward of CG-F2 by the fmvsw equal to the fore-aft distance of the seat track.

For rear outboard designated seating positions, the head center of gravity CG-R is located mm rearward, relative to the seat orientation, and mm upward from the seating reference point. At the time of launch, the midsagittal plane of the headform is vertical and the headform is upright. The headform launching angle is as specified in Table 1. For components for which Table 1 specifies rehulation range of angles, the headform 2001 angle is within the limits determined using the procedures specified in S8.

The maximum horizontal approach angle for the left A-pillar reguulation degrees minus the angle formed by that line and the X-axis of the vehicle, measured counterclockwise.

The minimum horizontal approach angle for the left A-pillar impact equals the angle formed by that line and the Regulaion of the vehicle, measured counterclockwise. The minimum horizontal approach angle for the right A-pillar equals degrees minus the angle formed by that line and the X-axis of the vehicle, measured counterclockwise.

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The maximum horizontal approach angle for the right A-pillar impact equals the angle formed by that line and the X-axis of the vehicle regylation counterclockwise. The maximum horizontal approach angle for the left B-pillar equals the angle formed by that line and the X-axis of fmvss vehicle measured counterclockwise, or degrees, whichever is greater. The minimum horizontal approach angle for the left B-pillar equals the angle formed by that line and the X-axis of the vehicle measured counterclockwise.

The minimum horizontal approach angle for the right B-pillar equals the angle formed by that line and the X-axis of the vehicle measured counterclockwise, or 90 degrees, whichever is less. The maximum horizontal approach angle for the right B-pillar equals the angle between that line and the X-axis of the vehicle measured counterclockwise. The maximum horizontal approach angle for the left door frame equals the angle formed by that line and the X-axis of the vehicle measured counterclockwise, or degrees, whichever is greater.

The minimum horizontal approach angle for the left door frame equals the angle formed by that line and the X-axis of the vehicle measured counterclockwise. The minimum regultion approach angle for the right door frame equals the angle formed by that line and the X-axis of the vehicle measured counterclockwise, or 90 degrees, whichever is less.

The maximum horizontal approach angle for the right door frame equals the angle formed by that line and the Reguulation of the vehicle measured counterclockwise. If the seat belt mounting structure is below a horizontal plane passing through CG-F2 for the left seat, locate the point mm directly below CG-F2 and locate a line formed by the shortest horizontal distance between that point and the left seat belt mounting structure.

The maximum horizontal approach angle for the left seat belt mounting structure equals the angle formed by that regulxtion and the X-axis of the vehicle measured counterclockwise, or degrees, whichever is greater. If the seat belt mounting structure is below a horizontal plane passing through CG-R for the left seat, locate the point mm directly below Reguation and locate a line formed by the shortest horizontal distance between that point and the left seat belt mounting structure.

The minimum horizontal approach angle for the left seat belt mounting structure equals the angle formed by that line and the X-axis of the vehicle measured counterclockwise. If the CG-R does not fkvss, or is forward of the seat belt mounting structurethe maximum horizontal approach angle is degrees. If the seat belt mounting structure is below a horizontal plane passing through CG-F2 for the right seat, locate the point mm directly below that CG-F2 and locate regulatiin line formed by the shortest horizontal distance between that point and the right seat belt mounting structure.

The rmvss horizontal approach angle for the right seat belt mounting structure equals the angle formed by that line and the X-axis of the vehicle measured counterclockwise, or 90 degrees, whichever is less. If the seat belt mounting structure is below a horizontal plane passing through CG-R, locate the point mm directly below CG-R and locate a line formed by the shortest horizontal distance between that point and the right seat belt mounting structure.

The maximum horizontal approach angle for the right seat belt fvss structure equals the angle formed by that line and the X-axis of the vehicle measured counterclockwise. If the CG-R does not exist, or is forward of the seat belt mounting structurethe maximum horizontal approach angle is 90 degrees. If a range of horizontal approach fmvvss is prescribed, position the forehead impact zone in contact fvmss the selected target at any horizontal approach angle within the range which may be used for testing.