ANNEX I
1.DEFINITIONSU.K.
For the purposes of this Chapter:
1.1.‘type of vehicle in respect of its safety-belt anchorages’ means motor vehicles which do not differ in such essential respects as the following: dimensions, shapes and materials of the structural components of the vehicle or seat to which the anchorages are attached;U.K.
1.2.‘safety-belt anchorages’ means the parts of the structures of the vehicle or seat or all other parts of the vehicle to which the belts must be fastened;U.K.
1.3.‘strap guide’ means a device which alters the lie of the strap in relation to the wearer of the belt assembly;U.K.
1.4.‘effective anchorage’ means the point used to determine, in a conventional manner in accordance with section 4, the angle of each part of the safety-belt in relation to its wearer i.e. the point where a strap should be attached in order to adopt a position identical to an intended position of the belt when this is used and which may or may not correspond to the true anchorage according to the configuration of the accessories for the attachment of the belt at the point where this is attached to the anchorage;U.K.
1.4.1.for example:U.K.
1.4.1.1.where a safety-belt includes a rigid part that is attached to a lower anchorage whether this is static or free to pivot, the effective anchorage for all of the seat-adjustment positions is the point where the strap is attached to that rigid part;U.K.
1.4.1.2.where there is a reverser attached to the structure of the vehicle or seat, the median point of the reverser at the point where the strap emerges form this on the wearer side of the belt is considered to be the effective anchorage; the strap must be in a straight line between the effective belt anchorage and the wearer;U.K.
1.4.1.3.where the belt directly links its wearer with an inertia reel attached to the structure of the vehicle or seat without an intermediate direction reverser, the effective anchorage is taken to be the point of intersection of the axis of the belt inertia-reel with the plane passing through the median axis of the strap on the reel.U.K.
1.5.‘floor’ means the lower part of the bodywork of the vehicle linking the side walls of that vehicle. Taken within this meaning the floor includes the ribs, raised pressings and any other stiffeners even where these are beneath the floor, such as spars and struts.U.K.
[1.6. ‘ seat ’ means a structure, whether or not forming an integral part of the vehicle structure and including its trim, which offers a seated position for an adult, the term designating both an individual seat and part of a bench corresponding to a seating position. A saddle is not considered to be a seat for item 2.1. U.K.
1.6a. ‘ saddle ’ means a seating position where the rider or passenger sits astride.] U.K.
1.7.‘group of seats’ means either a bench-type seat or separate seats mounted side by side (i.e. in such a way that the front anchorages of a seat are in line with or ahead of the rear anchorages of another seat and in line with or behind the front anchorages of that same other seat) providing one or several seating positions for adults.U.K.
1.8.‘bench’ means a complete structure together with its cover which provides at least two seating positions for adult occupants.U.K.
1.9.‘tip-up seat’ means an auxiliary seat intended for occasional use that is normally folded away;U.K.
1.10.‘type of seat’ means a category of seats which do not differ essentially among themselves in such respects as:U.K.
1.10.1.the shape and dimensions of the seat structure and materials of which it is made;U.K.
1.10.2.type and dimensions of adjustment systems and all the locking systems;U.K.
1.10.3.type and dimensions of belt anchorages on the seat, of the seat anchorage and of the relevant parts of the vehicle structure.U.K.
1.11.‘seat anchorage’ means the system of attaching the seat in its entirety to the vehicle structure, including the relevant parts of the vehicle structure.U.K.
1.12.‘adjustment system’ means the device enabling the parts of the seat to be adjusted in order to achieve a seating position that is adapted to the occupant's morphology. That adjustment device may in particular permit:U.K.
1.12.1.longitudinal adjustment;U.K.
1.12.2.vertical adjustment;U.K.
1.12.3.an angular adjustment;U.K.
1.13.‘protected space’ means a space within which the screening areas within the protective space have a cumulative area of at least 800 cm2.U.K.
1.14.‘protection space’ means the space in front of a seat and lying:U.K.
between two horizontal planes, one of which passes through the H point as defined in 1.17 and the other which is 400 mm above that point;
between vertical longitudinal planes that are symmetrical in relation to the H point and lie 400 mm apart;
behind a vertical transverse plane that is 1,30 m from the H point.
In any given transverse vertical plane a continuous surface such that, if a 165 mm diameter sphere is projected in a horizontal longitudinal direction passing through any given point within the zone and through the centre of the sphere there is within the protection space no aperture through which the sphere can be passed, is called a ‘screening area’.
1.15.‘movement system’ means a device enabling a seat or one of its parts to move or rotate without any fixed intermediate position in order to ease access to the space behind the seat concerned.U.K.
1.16.‘locking system’ means a device holding the seat and its parts in any position of use and comprising mechanisms for locking the seat backrest in relation to the seat and the seat in relation to the vehicle.U.K.
1.17.‘H-point’ means a reference point as defined in section 1.1 of Annex III determined in accordance with the procedure described in that Annex.U.K.
1.18.‘H1-point’ means the reference point corresponding to the H point defined in 1.17 and determined for all normal positions of use of the seat.U.K.
1.19.‘R-point’ means the reference point of a seat as defined in section 1.2 of Annex III.U.K.
1.20.‘reference line’ means the straight line defined in section 3.4 of Annex III.U.K.
1.21.‘L1 and L2-points’ means the lower effective anchorages.U.K.
1.22.‘C-point’ means the point located 450 mm vertically above the R point. However, if distance S defined in 1.24 is not less than 280 mm and if the other conceivable formula, BR = 260 mm + 0,8 S specified in section 4.3.3 is retained by the manufacturer the vertical distance between C and R must be 500 mm.U.K.
1.23.‘α1 and α2’ angles mean respectively the angles formed by a horizontal plane and the planes perpendicular to the median longitudinal plane of the vehicle and passing through point H1 and points L1 and L2.U.K.
1.24.‘S’ means the distance, in millimetres, between the effective upper anchorage and a reference plane P that is parallel to the median longitudinal plane of the vehicle, defined as follows:U.K.
1.24.1.if the seating position is well defined by the shape of the seat, plane P is the median plane of that seat;U.K.
1.24.2.if the seating position is not well defined:U.K.
1.24.2.1.plane P relative to the driver is that which is parallel to the median longitudinal plane of the vehicle when it passes vertically through the centre of the steering wheel or handlebars in its mid-position if it is adjustable and taken as being within the plane of the steering-wheel rim;U.K.
1.24.2.2.plane P for the passenger sitting at the side on the front is symmetrical to driver plane P;U.K.
1.24.2.3.plane P for the side rear seating-position is that stated by its manufacturer provided that the following distance limits A between the median longitudinal plane of the vehicle and plane P are adhered to:U.K.
[2. GENERAL REQUIREMENTS U.K.
2.1. Whenever safety belt anchorages are fitted, these must comply with the prescriptions in this Chapter. U.K.
2.1.1. Safety belt anchorages must be fitted for all seats of three-wheeled mopeds, tricycles, light quadricycles and quadricycles. U.K.
2.1.1.1. Anchorage points suitable for three-point belts are required for all seats that meet both of the following conditions: U.K.
when the seat has a back or when a support helps to determine the back rest angle of the dummy and may be considered as a seatback, and
when there is a lateral or transversal structural element behind the H point at a height of more than 450 mm measured from the vertical plane of the H point.
2.1.1.2. For all other seats, anchorages suitable for lap belts are acceptable. U.K.
2.1.2. Safety belt anchorages are not mandatory for three-wheeled mopeds or quadricycles having an unladen mass of not more than 250 kg.] U.K.
3.MINIMUM NUMBER OF BELT ANCHORAGESU.K.
3.1.Two lower and one upper anchorage must be provided for the front seats. However, two lower anchorages are considered sufficient for the front centre seats, if fitted, where there are other front seats and the windscreen is located outside the reference zone defined in Annex II to Directive 74/60/EEC. The windscreen is considered as forming part of the reference zone for the anchorages should the windsceen enter into static contact with the device for testing in accordance with the method described in Annex II to Directive 74/60/EEC on the interior fittings of motor vehicles().U.K.
3.2.for the outboard seats two lower anchorages and one upper anchorage must be provided.U.K.
3.3.with the exception of the tip-up seat for which anchorages are not required, at least two lower anchorages must be provided for all other forward-facing seats.U.K.
3.4.If the vehicle is fitted with anchorages for tip-up seats, the anchorages must comply with this Chapter.U.K.
4.POSITIONING OF SAFETY-BELTSU.K.
(see Annex II, figure 1)U.K.
4.1.GeneralU.K.
4.1.1.The anchorages for any one belt may all be attached to the structure of the vehicle, or of the seat or to any other part of the vehicle, or be divided among those various positions.U.K.
4.1.2.The same anchorage may receive the ends of two adjancent belts provided that the test requirements are met.U.K.
4.2.Position of lower effective anchoragesU.K.
4.2.1.The α1 and α2 angles must lie between 30o and 80o in all of the normal positions of use of the seat.U.K.
4.2.2.Where rear-seat benches and adjustable seats are provided with the adjustment system defined in 1.12 and their backrest angle is less than 20o (see Annex II, figure 1) the α1 and α2 angles may be less than the minimum values specified in 4.2.1 provided that they are not less than 20o in any of the normal positions of use of the seat.U.K.
4.2.3.The distance between the two vertical planes parallel to the median longitudinal plane of the vehicle and passing through each of the two lower effective anchorages L1 and L2 of the same belt must not be less than 350 mm. The median longitudinal plane of the seat must pass points L1 and L2 at no less than 120 mm from those points.U.K.
4.3.Position of the upper effective anchoragesU.K.
(see Annex II, figure 2)U.K.
4.3.1.If a strap guide or similar device affecting the position of the effective upper anchorages is used, that position is determined in a conventional manner by considering the position of the anchorage when the central longitudinal line of the strap passes through J1 defined successively from the R point via the following three segments:U.K.
RZ: segments of reference line measured form the R point upwards along the length 530 mm;
ZX: segment perpendicular to the median longitudinal plane of the vehicle measured from the Z point in the direction of the anchorage and having a length of 120 mm;
XJ1: segment perpendicular to the plane defined by segments RZ and ZX measured form point X forwards over a length of 60 mm;
Point J2 is determined by symmetry with point J1 about the longitudinal plane vertically crossing the reference line (defined in 1.20) of the dummy placed in the relevant seat.
4.3.2.The upper effective anchorage must lie below the plane FN that is perpendicular to the median longitudinal plane of the seat and forms an angle of 65o with the reference line. For the rear seats this angle may be reduced to 60o. Plane FN must be located in such a way as to intersect the reference line at a point D such that DR = 315 mm + 1.8 S.U.K.
However if S does not exceed 200 mm, DR = 675 mm.
4.3.3.The upper effective anchorage of the belt must lie behind plane FK perpendicular to the median longitudinal plane of the seat and intersecting the reference line at an angle of 120o at a point B such that BR = 260 mm + S. If S is not less than 280 mm the manufacturer may opt to use BR = 260 mm + 0,8 S.U.K.
4.3.4.The value S must not be less than 140 mm.U.K.
4.3.5.The upper effective anchorage must be located behind a vertical plane that is perpendicular to the median longitudinal plane of the vehicle and passes through the R point as shown in the diagram in Annex II.U.K.
4.3.6.The upper effective anchorage of the belt must be located above the horizontal plane passing through the C point defined in 1.22.U.K.
4.3.7.In addition to the upper anchorage referred to in 4.3.1 other upper effective anchorages may be fitted if one of the following conditions is met:U.K.
4.3.7.1.the additional anchorages meet the requirements of 4.3.1 to 4.3.6;U.K.
4.3.7.2.the upper anchorages may be used without the aid of tools, meet the requirements of 4.3.5 and 4.3.6 and lie within one of the specified areas by moving the area bounded in figure 1 in Annex II by 80 mm upwards or downwards in a vertical direction;U.K.
4.3.7.3.the anchorage(s) is (are) intended for a harness-type belt and meet(s) the requirements set out in 4.3.6 if they lie behind the transverse plane passing through the reference line and is (are):U.K.
4.3.7.3.1.where there is a single anchorage, located within the area common to two dihedrals bounded by vertical lines passing through the points J1 and J2 defined in 4.3.1, the horizontal sections of which are defined by figure 2 in Annex II;U.K.
4.3.7.3.2.if there are two anchorages, located within whichever of the two above dihedrals is suitable, provided that no anchorage is more than 50 mm from the symmetrical seat located opposite the other anchorage, about plane P (defined in 1.24) of the seat under consideration.U.K.
5.STRENGTH OF ANCHORAGESU.K.
5.1.Each anchorage must be able to withstand the tests provided for in 6.3 and 6.4. Permanent deformation, including partial rupture of an anchorage or the surrounding area does not constitute failure if the required force is sustained for the specified time. During the test the minimum distances for the lower effective anchorages required in 4.2.3 and the requirements set out in 4.3.6 and 4.3.7 for upper effective anchorages must be maintained.U.K.
5.2.In the vehicles in which these devices are used the movement and locking systems enabling the occupants of all the seats to exit from the vehicle must still be capable of being manually activated after the tractive force has ceased to be applied;U.K.
5.3.Dimensions of threaded holes for anchoragesU.K.
The threaded holes for the anchorages must be of the 7/16-20 UNF 2 B type in accordance with ISO Standard TR 1417.
5.4.If the manufacturer has fitted the vehicle with safety-belts that have been attached at all of the anchorages required for a particular seat, it is not necessary that those anchorages meet the requirements of 5.3 provided that they meet the other requirements of this Chapter. Moreover, the requirement set out in 5.3 does not apply to additional anchorages meeting the requirement set out in 4.3.7.3.U.K.
5.5.It must be possible to remove the safety-belt from the anchorage without damage to the anchorage.U.K.
6.TESTSU.K.
6.1.GeneralU.K.
6.1.1.Subject to the implementation of the provisions set out in 6.2 and in line with the manufacturer's request,U.K.
6.1.1.1.the tests may concern either a vehicle structure or a fully finished vehicle;U.K.
6.1.1.2.the windows and doors may be installed or not and closed or not;U.K.
6.1.1.3.any normally intended component which is likely to contribute to structural rigidity may be installed.U.K.
6.1.2.The seats must be installed and adjusted to their driving position or position of use selected by the testing body responsible for the component type-approval tests as being the least favourable from a system-strength point of view.U.K.
The position of the seats must be stated in the report. If its angle is adjustable the backrest must be locked in position in accordance with the manufacturer's instructions or, in their absence, in a position corresponding to an effective seat angle as close as possible to 15o and in the case of a quadricycle to 25o.
6.2.Vehicle restraintU.K.
6.2.1.The method used to restrain the vehicle during the test must not cause the anchorage or anchorage areas to be reinforced or reduce the normal deformation of the structure.U.K.
6.2.2.A restraint device is considered satisfactory if it has no effect on an area extending throughout the width of the structure and if the vehicle or structure is locked or attached at the front at a distance of at least 500 mm from the anchorage to be tested and held or attached at the rear at least 300 mm from said anchorage.U.K.
6.2.3.It is recommended that the structure be made to rest on supports directly below the wheel axes or if that is not possible directly below the suspension points.U.K.
6.3.General test requirementsU.K.
6.3.1.All the anchorages within the same group of seats must be tested simultaneously.U.K.
6.3.2.The tractive force must be applied forwards at an angle of 10o ± 5o above the horizontal in a plane parallel to the median longitudinal plane of the vehicle.U.K.
6.3.3.The loading must begin as quickly as possible. The anchorages must withstand the specified load for at least 0,2 s.U.K.
6.3.4.The traction devices to be used for the tests described in 6.4 are shown in Annex IV.U.K.
6.3.5.The anchorages for seats fitted with upper anchorages must be tested under the following conditions:U.K.
6.3.5.1.Outboard front seats:U.K.
The anchorages are subjected to the test required in 6.4.1 in which the forces are applied to them by means of a device reproducing the geometry of a three-point belt incorporating an inertia reel and a reverser back up to the upper anchorage.
Moreover, when there are more anchorages than the number required by section 3, those anchorages must be subjected to the test required in 6.4.5, during which the forces are applied to them by means of a device reproducing the geometry of the type of safety-belt intended to be attached to those anchorages.
6.3.5.1.1.When the inertia reel is not attached to the lower side anchorage which must be provided for, or where the inertia reel is attached to the upper anchorage, the lower anchorages must also be subjected to the test required in 6.4.3.U.K.
6.3.5.1.2.In the above instance the tests required in 6.4.1 and 6.4.3 may be carried out on two different structures at the request of the manufacturer.U.K.
6.3.5.2.Rear outboard seats and/or central seats:U.K.
The anchorages must be subjected to the test required in 6.4.2 in which the forces are transferred to them by means of a device reproducing the geometry of a three-point non-inertia reel belt, and the test required in 6.4.3 in which the forces are transferred to the lower anchorages by means of a device representing a lap belt. The two tests may be carried out on two different structures at the request of the manufacturer.
6.3.5.3.By way of derogation from the requirements of 6.3.5.1 and 6.3.5.2, where a manufacturer delivers his vehicle fitted with belts including inertia reels the corresponding anchorages must be subjected to the test in which the forces are transferred to them by means of a device reproducing the geometry of the belt(s) for which the anchorages must be component type-approved.U.K.
6.3.6.Where there are no upper anchorages for the outboard side seats and central seats, the lower anchorages must be subjected to the test required in 6.4.3 in which the forces are transferred to them by means of a device reproducing the geometry of a lap belt.U.K.
6.3.7.If the vehicle is designed to receive other devices which do not enable the straps to be attached directly to the anchorages without the use of intermediate rollers, etc. or which require anchorages additional to those referred to in section 3, the belt or assembly of cables, rollers, etc. representing the belt equipment must be attached by means of such a device to the anchorages on the vehicle and those anchorages subjected to the test required in 6.4 as appropriate.U.K.
6.3.8.A test method other than those required in 6.3 may be used but its equivalence must be demonstrated.U.K.
6.4.Specific requirements for the tests to be carried out on vehicles having an unladen mass of not more than 400 kg() (or 550 kg if the vehicles are to be used for the transport of goods)U.K.
6.4.1.Test in three-point belt configuration incorporating an inertia reel with reverser attached to the upper anchorage.U.K.
6.4.1.1.A special reverser for the cable or strap having the characteristics needed in order to transfer the forces from the traction device, or the reverser supplied by the manufacturer, is attached to the upper anchorages.U.K.
6.4.1.2.A test loading of 675 daN ± 20 daN is applied to a traction device (see Annex IV, figure 2) attached to the belt anchorages by means of a device reproducing the geometry of the upper diagonal strap of that belt.U.K.
6.4.1.3.At the same time a tractive force of 675 daN ± 20 daN is applied to a traction device (see Annex IV, figure 1) attached to the two lower anchorages.U.K.
6.4.2.Test in three-belt configuration without inertia reel or with inertia reel on the upper anchorage.U.K.
6.4.2.1.A test loading of 675 daN ± 20 daN is applied to a traction device (see Annex IV, figure 2) attached to the upper anchorage and the opposite lower anchorage for the same belt, by using a retractor attached to the upper anchorage if such a device is supplied by the manufacturer.U.K.
6.4.2.2.At the same time a traction force of 675 daN ± 20 daN is applied to a traction device (see Annex IV, figure 1) attached to the lower anchorages.U.K.
6.4.3.Test in lap-belt configurationU.K.
6.4.3.1.A test loading of 1 110 daN ± 20 daN is applied to a traction device (see Annex IV, figure 1) attached to the two lower anchorages.U.K.
6.4.4.Anchorage test, with the anchorages either all attached to the seat structure or distributed among the vehicle structure and the seat structure.U.K.
6.4.4.1.Depending on the case the tests specified in 6.4.1, 6.4.2 and 6.4.3 must be carried out by adding, for each seat and each group of seats, the additional force stated below.U.K.
6.4.4.2.In addition to the force referred to in 6.4.1, 6.4.2 and 6.4.3, a longitudinal and horizontal force equal to ten times the weight of the complete seat is applied to the centre of gravity of the seat.U.K.
6.4.5.Test in special-type belt configuration.U.K.
6.4.5.1.A test loading of 675 daN ± 20 daN is applied to a traction device (see Annex IV, figure 2) attached to the anchorages for a safety-belt of this type by means of a device reproducing the geometry of the upper diagonal strap or straps.U.K.
6.4.5.2.At the same time a tractive force of 675 daN ± 20 daN is applied to the traction device (see Annex IV, figure 3) attached to the lower anchorages.U.K.
6.5.Specific requirements for the tests to be carried out on vehicles having an unladen mass of more than 400 kg (or 550 kg if the vehicles are assigned to the transport of goods)U.K.
The requirements set out in Annex I to Directive 76/115/EEC() concerning the specific test methods on safety-belt anchorages for motor vehicles of catergory M1 apply.
7.CHECKING AFTER THE TESTSU.K.
Any deterioration in the anchorages and load supporting structures during the tests must be recorded after the tests.