Bsi bs au 185 1983 (2000)

BRITISH STANDARD AUTOMOBILE SERIES BS AU 185 1983 Specification for Seat belt booster cushions UDC 629 113 042 2 614 862 BS AU 185 1983 This British Standard, having been prepared under the direction[.]

Specification for

U C 6 9.1 3.0 2.2:6 4.8 2

This Bri shStan ard, ha ing

b en pre ared u der the

directonof the Automo ile

Stan ards Commi e ,was

published u der the authoriy

ofthe Bo rd of BSI an

comes into efect on

3 J n ary1 8

© BSI 0 -2 0

The folowing BSI references

relate to the work on this

stan ard:

Commi e reference AUE/7

Draft for comment8 / 73 8 DC

This BritishStand rd was publ shed u der the direction of the Automobi e

Stand rds Commit e AUE/ - Its prep ration was entrusted to Tech ical

Commit e AUE/7 upon which the fol owing bodies were represented :

Automobi e Association

Consumer Stand ards Adv isory Commit e of BSI

Consumer Association

Dep rtment of Industry ( Mechanical Eng ine ring )

Dep rtment of the Env ironment ( Transport an Roa Resear h La oratory )

Dep rtment of Transport

Institute of Housing

Man-mad e Fibres Producer ’ Commit e

Med ical Resear h Cou ci

Ministry of Defence

Motor Cy cle Association of Great Britain

Motor Ind ustry Resear h Association

National Automobi e Safety Belt Association

Roy al Automobie Club

Roy al Society for the Prev ention of Accidents

Society of Motor Man facturer and Tra er Limited

Ta e and W eb ing Man facturer ’ Association

Univ er ity of Birming ham

Am endm ents is ued sinc publ cation

Amd No Date of is ue Comments

Commit e s responsible Inside font cov er

Append ix B Des ription of the test seat and anchorag es 3

Append ix F Curv e of d eceleration of troley as a fu ction of time 2

Fig ure 13 — Dimensions of f ontal imp ct stop ing dev ice 19

Fig ure 14 — Dimensions of f ontal imp ct of ol v e-sha ed

Fig ure 15 — Curv es of deceleration of trol ey as a fu ction

of time ( curve for cal brating stop ing d ev ice) 2

Stand rd s Commit e at the req uest of the Dep rtment of Transport.

W hist it is permis ible for seat belt bo ster cushions to be used with a la belt in

the centre font seat, in v ehicles where these are fit ed , or in the rear seats, it

should be noted that the amount of protection provid ed b such dev ices is not as

g reat as when they are used with a la and diag onal seat belt For a chid, the

g reatest protection is prov id ed b an a prov ed harnes or safety seat

A British Stand ard d oes not purport to includ e al the neces ary prov isions of a

contract User of British Stand rd s are responsible for their cor ect a plcation

Com pl anc with a British Standard does not ofitself confer im m unity

f om leg al o l g ations

Sum mary of pag es

This document comprises a f ont cov er, an insid e font cov er, p g esi andi ,

p g es1 to2 , an inside b ck cov er and a b ck cov er

This stand rd has be n up ated ( se copy rig ht d ate) an ma hav e ha

1 Scope

This BritishStand rd specifies req uirements for

seat belt bo ster cushions that are for use with a la

seat belt, a la and d iag onal seat belt or a chid

safety harnes which car ies a BSI Kitemark, an “E”

Mark or an “ e” Mark These cushions are intended

for use b per ons of smal stature ( of mas 15kg or

more) oc upy ing forward facing seats of motor

v ehicles for the purpose of improv ing the fit of the

seat belt and therefore the protection ag ainst injury

NOT The t les of the publicatons refered to in this stan ard

are listed on the inside b ck co er

2 Definition

For the purposes of this stand rd the fol owing

definition a ples

bo ster cushion

a firm cushion that can include an integ ral b ck

a ov e the seating plane, designed for a per on of

smal stature to sit on to improv e the fit of an

a prov ed

1)

la seat belt, la an d iag onal seat belt

or a chid safety harnes It is restrained b either

the seat belt or chid safety harnes or b a sep rate

means It ma also, as a propriate, incorporate

d esig n features to improv e the le of the seat belt

3 Performance

3.1 General

3.1.1 The bo ster cushion shal be so d esig ned and

constructed that, when cor ectly instal ed an

properly used b an oc up nt, the seat belt wi

operate satis actoriy an reduce the risk ofbod ily

injury in the ev ent of an ac id ent The bo ster

cushion shal be restrained ag ainst forward

mov ement directly b the ad ult seat belt or a

sep rate restraining d ev ice, and not b the oc up nt

except where a b ck is prov id ed In this case the

total mas of the dev ice shal not exce d2 kg an

the heig ht of the b ck shal be not les than6 0mm

a ov e a horiz ntal sur ace when the dev ice is

resting on that sur ace with the b ck v ertical and

without load

3.1.2 The bo ster cushion shal not ha e any sharp

edg es or other features la le to cause injury to the

per on seated on it or other oc up nts of the v ehicle

or to d mag e the seat belt

3.1.3 The bo ster cushion shal be so d esig ned and

constructed that the oc up nt is released solely b

release of the seat belt an that this is not prev ented

b the bo ster cushion tra ping any p rt of the seat

belt as embly

3.2 Dynam ic test

3.2.1 The bo ster cushion shal be tested in

ac ord nce with Append ix A and shal comply

with3.2.2 to3.2.4

3.2.2 At no time during the test d es ribed in

Append ix A shal the forward mov ement of the hip

piv ot of the manikin exce d15 mm The ma imum

forward mov ement of the manikin at the chest lev el

shal exce d the ma imum forward mov ement of the

hip piv ot, but shal not exce d3 0mm

3.2.3 In side elev ation, the la belt, where it p s es

ov er the manikin instal ed as des ribed in

Appendix A, shal be at an ang le g reater than4 ° to

the horiz ntal

3.2.4 The bo ster cushion shal remain

substantialy in position during the test

4 Instructions a nd information

Each bo ster cushion shal be ac omp nied b the

folowing instructions and information:

a) the statement that “ when used in ac ord nce

with these instructions the bo ster cushion

alows an a prov ed a ult seat belt or chi d safety

harnes to be used b a per on of smal stature”;

b) the mas rang e for which it is intended;

c) the cor ect method of instal ng the bo ster

cushion; and the seating positions for which it is

intended ;

d) the importance of ensuring that the la stra is

worn immediately below the stomach and ac os

the tops of the thig hs an also the desira i ity of

wearing the stra s tig htly ;

e) the method recommended for cleaning the

bo ster cushion;

f) a g eneral warning to the user of the d ng er of

making any alterations to the bo ster cushion

without the a prov al of the man facturer;

g ) a warning that the bo ster cushion should not

be used if it is d mag ed or if it has be n subjected

to ac ident load s ev en if d mag e is not obv ious;

h) a warning that an ordinary lo se cushion

should not be substituted for, or used with, a

bo ster cushion

1)

An a pro ed se t b lt is one that caries a BSI Kiemark, an “E” Mark or an “e” Mark (se clause )

5 Marking

Each bo ster cushion comply ing with this

BritishStand ard shal be permanently an

indel bly marked with the fol owing :

a) the n mber of this BritishStand rd,

i.e.BSAU18

2)

b) the name, trad e mark or other means of

id entification of the responsible man facturer;

c) the mas rang e for which it is intended

2)

Marking BS AU1 5 on or in relaton to a prod ct is a claim b the man facturer that the prod ct has b en man factured to

the re uirements of the stan ard.The ac uracy of such a claim is therefore solely the man facturer’s resp nsibiliy Enquiries as

to the a aila iliy of third p rty certficaton to sup ort such claims should b ad res ed to the Director,Qualiy Assurance

Appendix A Dynamic test

A.1 Mou t the bo ster cushion in ac ord nce with the man facturer’s instructions on a trol ey eq uip ed

with the seat an seat belt anchorag es des ribed in Append ix B Fit a reference seat belt as des ribed in

Appendix C to the seat belt anchorag es Use a new seat belt for each test

A.2 Seat the d res ed manikin specified in Append ix D on the bo ster cushion and fit the seat belt to the

manikin as fol ows

Remov e the up er anchor plate of the seat belt f om the test anchorag e C and fit it to set ing anchorag e D

Firmly a just the seat belt to the manikin but in such a wa that the compres ion of the test seat cushion

is not more than10mm W ithout further ad justment of the seat belt, refit the up er anchorag e plate to the

test anchorag e position

A.3 Propel the troley in such a wa that the v elocity chang e is5 + 0,–2km/ h and the manikin remains

sta le Decelerate the troley using either the a p ratus des ribed in Appendix E or any other dev ice g iv ing

eq uiv alent results This a p ratus shal me t the perormance req uirements specified in Appendix F

A.4 Check that the bo ster cushion has not d mag ed the seat belt or the manikin

A.5 Check that release of the seat belt is not prev ented b the bo ster cushion tra ping any p rt of the seat

belt as embly

Ta le 1 — Characteristics of polyurethane fo m fi l ng

Appendix B Description ofthe test sea t a nd anchorag es

B.1 Test seat

B.1.1 The seat shal comprise a fixed rig id b ck and a seat cushion as specified inB.1.2 toB.1.5 The

dimension shal be in ac ord nce with Fig ure 1

B.1.2 The fixed rig id b ck shal be5 0mm hig h and tited20° rearwards and shal be cov ered with

poly urethane foam of7 mm thick es , whose characteristic are g iv en in Ta le 1 The lower p rt of the

b ck shal be mad e of a20mm diameter tube

B.1.3 The seat cushion shal be mad e fom the material d es ribed in Ta le 1 The rear p rt of the seat

cushion shal be ma e f om a rig id she t metal, which has its up er ed g e constructed fom a20mm

diameter tube For the tests, the seat cushion shal be cov ered with a lg ht cloth not l a le to chang e the

rig idity

B.1.4 An opening shal be ma e betwe n the b ck an the seat cushion as shown in Fig ure 1

B.1.5 The wid th of the seat shal be8 0mm

B.2 Anchorag es

B.2.1 The anchorag es shal be positioned as shown in Fig ure 2

B.2.2 The anchorag es A, B an C shal comply with ECE Reg ulation No 14 and shal be used for the

B.2.3 Anchorag e D shal be used for initial a justment purposes only

Fig ure 1 — Dim ensions of seat troley

Fig ure 2 — Position of anchorag e points

Appendix C Ref r nce seat belt

C.1 The seat belt shal be ma e to the config uration shown in Fig ure 3 and shal me t the dy namic test

req uirements of ECE Reg ulation16 or7 /541/ EEC without pre-conditioning

C.2 The elong ation of the stra s u der a loa of5 0d N shal be6±1%

C.3 The elong ation of the stra s u der a loa of9 0d N shal be1 ±1 %

C.4 The width of the stra s u d er a loa of9 0d N shal be4 ±1,–0mm

Fig ure 3 — Referenc seat belt

Appendix D Description ofma nikin

D.1 General

D.1.1 The d imensions and mas es of the manikin are b sed on chidren of the5 th per enti e of10y ear

D.1.2 The manikin consists of a metal and poly ester skeleton with cast poly urethane bod y components

NOT The manikin pres rib d in this stan ard is des rib d in tech ical drawing s prod ced b the TN ( Rese r h Inst ute for Ro d

V ehicles), Scho maker tra t9 ,2 2 VK Delft,The Netherlan s

Se Fig ure 4 for an ex loded v iew of the manikin and Ta le 2 for a lst ofcomponents

D.2 Construction

D.2.1 Hea d The hea is ma e of poly urethane an reinfor ed b metal strips Inside the hea it is pos ible

to instal measuring equipment on a poly amide block at the centre of g rav ity

Fig ure 3 — Referenc seat belt (conclud ed )

D.2.2 Vert eb ae

D.2.2.1 Ne k ver tebr a e The neck is mad e of fiv e ring s of poly urethane containing a core of poly amid e

elements The Atlas-Axis block is ma e of poly amide

D.2.2.2 Lumba r ver tebr a e The fiv e lumb r v ertebrae are mad e of poly amide

Ta le 2 — List of com ponents of m anikin

D.2.3 Che t

D.2.3.1 The skeleton of the chest consists of a tubular ste l f ame on which the arm joints are mou ted

The spine consists of a ste l ca le with four threa ed terminals

D.2.3.2 The skeleton is coated with poly urethane It is pos ible to instal measuring eq uipment in the chest

cav ity

D.2.4 Limbs The arms and leg s are ma e of poly urethane, reinfor ed b metal elements in the form of

sq uare tubes, strips and plates.The k e s an elbows are prov id ed with a justa le hing e joints The joints

of the up er arm and up er leg consist of a justa le b l and socket joints

D.2.5 Pelvis

D.2.5.1 The pelv is is mad e of g las reinfor ed poly ester coated with poly urethane

Transd ucer mounting block

Transd ucer mou ting block at achment bolt

S oulder-joint socket half

Adjustment bolt for should er joint

Adjustment n t for neck

Ad justment n t for lumb r v ertebrae

Lower leg left

Lower leg rig ht

Kne hing e bolt

D.2.5.2 The sha e of the up er side of the pelv is, which is important for determining sensitiv ity to

a d ominal loa ing , is simulated as far as pos ible fom the sha e of a chid’s pelv is

D.2.5.3 The hip joints are situated just below the pelv is

D.2.6 A ss mbly o the manikin

D.2.6.1 Ne k to che t to pelvis The lumb r v ertebrae and the pelv is are thread ed on to the ste l ca le and

their tension is a justed b a n t The neck v ertebrae are mou ted and a justed in the same way Since

the ste l ca le shal not be f e to mov e throug h the chest, it shal not be pos ible to ad just the tension of

lumb r v ertebrae fom the neck or v ice-v er a

D.2.6.2 Hea d to ne k The head ma be mou ted and a justed b means of a bolt and n t throug h the

Atlas-Axis block

D.2.6.3 Tor so to lmbs

D.2.6.3.1 The arms and leg s ma be mou ted and ad justed to the tor o b means of b l an socket joints

D.2.6.3.2 For the arm joints the b ls are con ected to the tor o; in the case of the leg joints, they are

con ected to the leg s

D.3 Main characteristics

D.3.1 Ma ss The mas of the components of the manikin shal be in ac ord ance with Ta le 3

D.3.2 Pr incipa l d imensions The princip l dimensions, b sed on Fig ure 5, are g iv en in Ta le 4

D.4 Adjustm ent of joints

D.4.1 Gener a l In ord er to achiev e reproducible results using the manikins, it is es ential to specify and

a just the f iction in the v arious joints, the tension in the neck an lumb r ca les, and the stifnes of the

a d ominal insert

D.4.2 A djustment o the ne k cable

D.4.2.1 Place the tor o on its b ck in a horiz ntal plane

D.4.2.2 Mou t the complete neck as embly without the head

D.4.2.3 Tig hten the tensioner n t on the Atlas-Axis block

D.4.2.4 Place a suita le b r or bolt throug h the Atlas-Axis block

Ta le 3 — Mas ofcomponents

D.4.2.5 Lo sen the tensioner n t unti the Atlas-Axis block is lowered b 10±1 mm when a loa of5 N

d irected downwards is a pl ed to the b r or bolt throug h the Atlas-Axis block ( se Fig ure 6)

D.4.3 A tlas-Ax is joint

D.4.3.1 Place the tor o on its b ck in a horiz ntal plane

D.4.3.2 Mou t the complete neck an head as embly

D.4.3.3 Tig hten the bolt and a justment n t throug h the hea and the Atlas-Axis block with the hea in a

horiz ntal position

D.4.3.4 Lo sen the ad justment n t u ti the head starts mov ing ( se Fig ure 7)

D.4.4 Hip joint

D.4.4.1 Place the pelv is on its font in a horiz ntal plane

D.4.4.2 Mou t the up er leg without the lower leg