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THE MEASURE OF MAN HUMAN FACTORS IN DESIGN HENRY DREYFUSS CARBON DIOXIDE parts of air) eye Mc der pot Cpo Mia com us des amo om, tugay À interretated upper timit > 94 D8 750F 100F NOISE > TEMPERATURE (decibels) Ssor € 30ºF (degree Fahrenheit) lower Hmit t459 avoid continued silence 8 q te e que “may sd ur y é S as K w ” F B ' Pe Ê 5 3 a P o º (4 8 e, Sis E 2.28 sgÊ E 22% F8s E E % SES S “%% “ês dE 4 The first circle is the bearable zone limit. Outside this limit great discomfort or possible damage is encountered. It is also necessary to consider: infra-red radiation, ultra sonic vibratlon, noxious gases, dust. pollen, and heat exchange with liquids and solids. Note: All data here are subject to qualification, refer to reference sources; for complete information see bibliography. ANTHROPOMETRIC DATA — STANDING ADULT MALE ACCOMMODATING 95% OF U.S. ADULT MALE POPULATION Ia 2S%tile SO.“%tile 97.5 %tile es “ mr h [77| 76.5 total 8 za4o" mus [1 À alpes ços | us s1— N eos + | e o ci EE (EM. os a ad o so [e] So Ir E) coa" q ear E F á Roo Vso I bi) sol (e o 7 s2 “o e q f Dei I 566 ds - 546 o D = s -iz.o o = < 10.64) f é 139 sir E | 13.2 393 36.6 | 2 k 4 o 283 É - , 261 E] 213 . 19.8 y tr | as : 40 j=A,F. ! heavy winter o o clothing q E) E [| dynamic link system 30 33 shown 0 r 35 4. 27 3.8 32 = a mê A 23 Ea aliado o [4 o"datum +] Ei 7 Las bs |-- 4.2 shoe Leo Las areno ação shoe weight — 1277 LB. “É weight— 619 LB. weight 208.9 LB. span —— .65.5º span —— 70.8“ spon— 76.6" akimbo — 34.9* akimbo 38.4" akimbo. 42.4" ) 1966 HENRY DREYFUSS IE ANTHROPOMETRIC DATA — STANDING ADULT FEMALE ACCOMMODATING 95% OF U.S. ADULT FEMALE POPULATION 2.5 %tile 50. %tile 97.5 %tile e2 63.2" 5.2 E 21 so3 o é 572 < pe) Lo R sa7 1 “o 32 RE é | is 1420 cquaL o G 10.3 -8.8 E Ro vzs sir [69 o 184 sr Eid = |-7s 13.6 sr 31.9 288) o s 258] n 283 19.2 AM 17-.8 4 pas A L i ao q 37 35 o q Z pa E T dynamic link system 30 se, a o 1 q | mA o — Lj O"datum 36 s0 31 weight 134.8 LB. weight — 195.0 LB. sr" span 70.2" weight— 95.0 LB. akimbo — 38.0" span see" span. akimbo 31.8" akimbo. 347" (O taco uenay nreveuss IaI ANTHROPOMETRIC DATA — STANDING ADULT FEMALE ACCOMMODATING 95% OF U.S. ADULT FEMALE POPULATION 2.5 Ytile 50. %tile 97.5 %tile easy head movement ' s 78 o+ oe Ss Co s0º-[— 300 Pay, K, A] F I “2 es” | | ese E ! — 84 2a] 39 4 o SLY+ | 593 vi — 78 4 pel ss.8 64 E 159º 53.6 191% N nº 1 o? Ú as? q as 98 EN 19 A A Eq 6 ED DE LE o o .6 — E oo 7 EN as 2 2to3º | N WB [ol normal q of |] À 30º stand leg standing — To 15º walk or varies O" datum 120-145º bust 30.0* bust 35.6” bust 450" waist waist. 29.2" waist 33.0" hip 38.8" hip 46.0" ma BASIC VISUAL DATA Po==-=— limit of color discrimination . visual limit 4 monocular >= (varies with color & light intensity.) eosy head lefteye —— vision — os limit of movemen' “ 1 ii symbol 8.8" mox.range binocular, yi » 7.7" mean vision recognition visual limit of . limit word so a right recognition 15º p eye (Ea as AD. se iá std.line 5-30º Po? of sight o sie EG suo | US.A.NEW DES.| + oe y s-10º É visual task area E=-s0% ase 17) accurate N rotation seeing area soº visual limit right eye à , ao. sos ormal viewi visual timits 2 q teming angles max.eye max. head to prevent reflection | left eye rotation movement: on Syesgiasses locate emergency note; avoid avoid light sources 94º controls within head movement in these areas. 30º color limit if possible. keep light sources above fhis line easy head soe o avoid light sources within these angles q to prevent glare nto movement o so pi 9 upper limit max. head 30º". 30º ot visual field movement, s ij max As 3s range / -55º ! 7” max. eye dd rotation o opt. viewing se" ; 2s K displ as 51 ) =D] E Cisplays [ . SH ss ; E std. line . E pot sight E t o coMPRESSEO mean —4 SCALE 1400 A.4.F. 4 cxers O 40º ' i toe to prevent ing EIS reflection on q e eye-glasses +ofonion min. cut -off id for vehicles min. cut - off limit of color discrimination for corkplis lower limit of visual field To-8oº 3oº 3.5% men & 0,2% women cannot be relied upon for signal detection. 54.0% U.S. population over 6 years of age wear glasses. 4º min.focal distance - age 20. 8,75" min. focal distance - age 40. 13º min.acceptable reading distance for displays I4-18º normal viewing dist. -cathode ray tubes. 20º min. recommended distance for displays. 28" max .dist. std. displays based on reach. 40“min. focal distance - age 60. no dist. limit if display is designed to accord. 35 Is best for color discrimination, > 66 is poor. 3zonmonp» age I6 t: É) 1960 RERBY DREVEUSS [il FOOT MEASUREMENTS AND BASIC FOOT CONTROLS ACCELERATOR TYPE PEDAL PEDAL BAR FOR USE BY EITHER FOOT É l 14º min. 1 90-100º normal É pedal and operating position. - standing body 97.5 %tile female I i It foot foot is approx. equal Ii insize toav.man. a" aa a average de . Ran NON orce > 30 lb, for scale toe - standing DATA position. ACCOMODATES 98 % ADULTS PEDALS - ACCELERATOR prefer this type = over foot Push 7 buttons. lj) 1 % 1 di 3º min. — — M$. heel support req.if B>20º 4.25“opt. ! . a V 9“ min. trmin. locatin 3") Npivot here provides treadie t0*+opt. cue for blind reaching action for fine foot control. ] E natural angle E for right foot 10º] BRAKE TYPE PEDAL in relaxed position |] 1 EJA) pedal q LES Ensé travel So 8 PEDALS -BRAKE TYPE | PRO —» 4" min. 6“opt.-- random operation - | foot ) a —» 2*min. 4“opt.-- sequential operation -| foot , o 4.25"- 4.75% mara pedal 3º min x.dia. spacing : e] round pedal (Th, min. pedal | Y 1min. 3ºopt, opt. pedal) 1 Ya Ri A" FOOT PUSH BUTTONS prstes ball of foot to 8"opt. eel operation. +«(D- .5º- 2! dia. 10"max. provide snap feel. pedal force F: | use only if both hands are occupied ,foot buttons 4 Ib.min.-no resting foot. are susceptible to accidental activation. to Ib.min.- if foot rests 20 Ib.max.ankle move.only RIGHT FOOT - AV. MAN floor- 20-50 Ib. leg movement L [—————>— . s.25"arctic boot] 2. mA MN mai foot width 4.2"average FOOT PUSH BUTTONS iz pa ii boots digk 25'max.-ankle c| o fog 4º max.- leg = Ig. chair t 5x 10.5" EA | prefer-4 À = foot floor alt.location F T Ma Ig E 4“min- ESA 7 4 Ibmin. 20 Ib. max. ss é lula t2*min. 1 o lbmin.iffootrests. So 1175 x av. “ MEN WOMEN 2/8 shoe Insteg percentiles —| 2.5% | 50% | 975% | 25% | 50% | 97.5 % ” Es length foot length 9.6" | 10.5 ns 8.6 96 | 10.3 s|5 foot width 35º | 3.8 4.2 3.1 3.6 4.0 instep length 6.9" 7.6 8.3 a heel width 23 | 26 | 29 ankle width 27º | 3.0 3.3 E (O) 1960 HENRY DREYFUSS ANTHROPOMETRIC DATA — ADULT FEMALE STANDING AT CONTROL Ia BOARD keep lights above to minimize glare “e eunimporton tala plays topis invisible es:( p displays only or non critical 8 controls. Ny (stretching not co desirable.) Normal sigh, fine | ! optimum zone for manual 8 | and visual combinations. (min. paraltax.) opt. viewing range B E non critical or c casual controls, manuals and asdisplays. > Er . / non critical a) controls. 0. (stooping Se so feasible.) 1 opt.control zone] E 7 alt 3 eo. woman ar3 12 l qc > E 347 o | 36 oven door writing shelf 316 Ma E Á 18 max ! reach R. | 28.3 262 I 234 |. | 16 min.clear. for stool re e | ass Doo 34 min. gangway 1999 HENRY DRE TT 6'-8“ min. ceiling ht. 6/-8i-7'-0" door ht. std. 6-6" min. door ht. 6-4º tel. booth door ht 68" cannot see over ht. 64.5 highest shelf 63 min. cat walk ceiling 58-60 thermostat ht. std. 58 mirror . 58 tel. dial-m.& w.standing 55 opt.tel. dial - women 50 push plates std. 48-54 grab bars - women 4FrTig 48 wall switch std. 42 bar ht.std. door pulls 41 opt.tel dial-m.&w. sitting 39.5 opt. tel. dial-women sit. 39 max.counter ht. 38 door knob-std. 36 sinkrimstd., hand rails 34 hand ralis - stairs 33 panic bars . 33.5-34.8 cleaning surfaces 323-34.3 food preparation 315-33.5 cooker hot plate 31 lavgtories 30-32 ironing boards 27-28 table ht. 26.4 stool ht. - 36" counter 25-26 typing table 24 min.knee clear - sitting 3FT 2FT 16 av. seat ht.- women 15:75 max. ht. WC , 15-15.3 opt. seat ht.- public 1ET E 12 mox.rung spacing 7-75 opt. stair riser 6-8 bar rail 4 min. toe space 1.6 av. heel -women ANTHROPOMETRIC DATA — ADULT MALE SEATED IN VEHICLE mm N pis ae sloping foot rest a Rana angle E o E accel. normal pos. gs dl ; 1 Ss 5IB 1 min. side “o 14 opt. Du z a I vision 2o vo STS opt. E é sosolb, Il. “min. spocing ZE qGtsa f E max.p. ft sequential 88 53828 [| 25 elutcn 4 by same foot 22 sBas T|” EE 2 min. So ScER NA So T 55 S E ci & À cs sb. | | 425-4750pt.x3ht. 83 EL EG ] a ES max.p. o 3Wximin.ht, E 5.º i Igmin., os brake 4 or4ºmox. dia. A q RES | E E | = “25opt, 16-18 std. wheel dia: + Sin” | ? min., 21 max. Lu) gi Min. pp" min.elear. for jolts aquise” 40.16“mox.range -no slump gestteê T38.s (szs%tile-noslump) === Rs - e. oS& = reo 50 %tile dc e aos 8E E : % 15º 31.5 - no slump ad a 4 std. line of sight t T y 4 ne, e Ri ol 4 27 (2.5 %file with 2“slump) LUZ , Min, EE 15º + Cut E Min. of tor cock ; a max, “EU fe og lts o rats 2 eye for ven; — 3 tractor back rest E] , rich si oS Ep Move. Min, cur e: T pcs ge s S —Ul-or ; 7 ) E E p geo” Taorvà TAN NE EE Emenld “etm | movement is | 1 Es ol or driver should & min.thoracic |] 1 h see 10 ft.infront E supportfor 4s : of vehicle q relaxing — ' q H 3 +: max.concavity—6r: Es manuais ai e min.lumbar 4 8 «Support 4 » 4 socrum bras é 2 support for AA E: N rough terrain” 3 N ss O datum o) SS N «SÊ NS À a REA ÀS Pé. ENN Pol º i Be E NW & a Ny Eg E 17 max Vo 33 min. ea PF $ 0 Elim Ss À 28*min. DF rest GO-508 angle -—— 10 225 4 | min. Ss max TOTAL SEAT ADJUSTMENTS: horizontal: vertical: 6º min. in mox. increments of |* 4* min. in max. increments of I* é A (O) 1959 1960 HENRY DREYFUSS ad leg angle 105-110* for max. pedal pressure 0-50 Ib. 120º min. so-100 lb. BASIC DISPLAY DATA II OPEN WINDOW DIALS 99% accuracy in reading use for exact data only. 03º max. 2 nos. visible | lubber line alt. window RU BA PANDA location í alt. f 47%! —aials can pointer “81 td! — overlap q monual control RULE |. numbers increase clockwi: RULE 2. associated control to mo! in same direction as dial. RULE 3. move control clockwise to increase. not recommended with manual control CIRCULAR DIALS . 89 % accuracy in reading use for exact, relative or check data. nos. increase clockwise prefer nos. TD — zerohere outside scale Pan AA for left hand only 1º min.dia: breok scale I-ai std. clockwise 1.75" for check O do to increase sê *opt. A, reading. ” high accuracy opt.control pos. SEMI-CIRCULAR DIALS 83 % accuracy in reading use for exact, relative or check data. use zones avoid to simplify moving scale if dials. possible same data as circular dials avoid distracting trademarks on all dials. nos. & spacing of scale markings ultimately determines dial sizes. HORIZONTAL SCALES 72% accuracy in reading use for exact,relative or check data. ifscale moves use for exact data only. increase left to right for pointer movement and scale numbers —— OJEEERAITO a; velo ford B) de e a or left alt. for hand only a rt.hand opt. location: “=-* prefer dial fix. otrelated . E control clockwise to increase recommend manual & moving pointer VERTICAL SCALES 64 % accuracy in reading use for exact, relative or check data. lfscale moves use for exact data only. iicraaiê prefer dial fix opt. pointer pottem 44 on right. pointer te alt. for movement 4 m.hand and scale = numbers long scales min. opening By possible to show y tape 2 nos. 1 clockwise manual +) fo.increose recommend manual & moving pointer COUNTERS 99 % accuracy in reading use for exact data only. rate: 2 nos. per sec. max. read left to right. —— Jogue cel FE) = [equal «|4/0)4 se dene/ Li qria angoa ro) (O) ri, frame to be same color as drums minimize frame shadows least count nos. to snap into position SCALES , numerical progressions Lorxio 2 3 «good 5 199.10 15 «good 2 19004 6 «fair Co useminl Edentey | Imarks .005“min. index “04 min. space space > index Lar POINTERS cj [BSS index. ut > p width na smaller thon minor index & not greater than the major index. min. length tiptocenter NUMERALS AND LETTERS all nos. & letters to read vertically. std.ht. prefer titles on single line. 25 panel title 188 major futura or—, 125 middie U.S.AF. std. -094 minor cond.ifreq. 1:6 black on white 1:8 white on black background contrast: 75-80 % + stroke ratio : unsatisfactory. Average data : Elin) Wíin) pointer color Min. light = 4 ft.L. min(in) mox.(in.) major index 0955 [0155 fo match critical markings... [0435] 086s intermediate index [0695 |.0135 paint balance | (indices. instructions... [ 021 [0865 minor index. -0435|.OUS to match dial face moving markers... [0515 |.08€S s equals viewing “distance in feet s equals viewing distance in feet MULTI- REVOLUTION DIALS SIGNAL LIGHTS DIAL ARRAY avoid multi- pointer dials label on top 25 “dia. good order of opt. pointer position errors in reading are high or within. f bright sequence tor check reading limit to 2 pointers zero here min.space- 75 consider 2 nd. . . . Sa údia.std. green ic: avoid this forã6 º o -Remasteror | safe choice type as e "emerg: signal] zones: rs are high 8 dark background increases eff. RE F flashing Li flash rate: signalis —— 3-5 persec. brightness ontime: . 2% .S“signal SA peemin, E opt. long scale use sub-dial Simon sizes indicator has for precision use green for satisfactory. min- counter for to expand a use red for unsatisfactory. refer rows consider gnity exact data. dial interval, use amber for impending 'o columns. & symmetry. manuais to have relative positions €C) 1960 HENRY DREYFUSS BASIC CONTROL DATA In BALL GRIPS CYLINDRICAL GRIPS lever handies rab bars and FLUSH PULLS for door, drawers etc. torque: 4.5 in.-oz. max. < Idia. 6.0 in. -oz.mox. > Idia. : 2 Oz.min.- 48 oz.max. no. of positions: 24 max. use round knob for rotation > 180º resistance: ifting handies “ hands E min 9 125ºmin. to Ib. pull 2- t hand 1.5 opt. 20 lb. push 4-5"|-2 hands Ns 30 Ib. max. A mo: LA NH) ; ui x 375 min. 5 opt. E) Ver | min! 0-40b. ESA Hj i o 875 min hasta 5 d - 7 min. Re) o-109Ib. 5 1.9 opt. = E) E 2"min. dispi. for L ' + E) E i i 14.max.fwd. & aft.displ. avoid finger . opening width: 3.5"min. 38.max. laterally notching also side clear. 40 opt. ROTARY KNOBS BAR KNOBS GANGED KNOBS use 1º for non critical settings. 15º min.- visual it 3 a é -4ºor crfical seiting My Socmin non visual o ad q 2 displays o yp.serrations: io 40ºmax.for opt.perform.. 25*min a OBtdia. displ. so" max. if reg.mech. ' -S"opt. 375“ min. é " -25 low force a ar 4.0 max. “min. + no max. serrate 1 hand —e/ 1-2! 2 honds — 3-5" or knurl do E 5º 75opt. S“min. Ê 1 se max; z .875-Iºopt. 3 r skirt 75 opt. E «25 min. 25 min. - 1,0 max. defl. -no gloves 25-2.0 gloves .S -2.0 shoes 10 -40 boots * not required >0 A L «312 min. clear. operation rate: 4.1-5.3 per sec. HIGH TORQUE KNOBS CRANKS HAND WHEELS for 5 finger grab profiles for for rototions more than 90º 7“min. = max. force: L5fingers goerotate. 4 ie hand ahi avoid 3 - demos 5 and 6 Sfouiá down E prongs. taper rotote 3tmin.R. LS .5 fingers | 1 1 min-space. 1.0 hand inger ” do fiufes. “+ 5 min. , a 2.0 max. e .5º 4 min. radius 90º - 120º ab. 20.0" max.- heavy load resistance: rotation Vein.clear. 45 max -minload, highspeed | 5 Ibi min. o aia resistance: 5 Ib.mox. < 35º rod. 30 ibmax.- lhand — ghifting torque: 50 in. lb. max. ro lb.max. 5-8" rad. 50 Ib.max. — 2 honds . PUSH BUTTONS mi PUSH BUTTONS — TOUCH SYSTEMS | TOGGLE SWITCHES | d i i a min 1 finger 75-1.25 prefer vertical buttons, fig. B prefer Lo max 2 fingel 20 A y -93 min. LS al : ++ recess dio. Eq ++ ) ue opt. “87 minha" -e” Too». tectfórtitles RO" nam, soºmin. blind 375 min.dia. y .25lb.min.force 60º opt.- reach. S-1º opt. e 1-3 Ib.opt. B sor 438 mox. 120º max 5-2 palm Go 31. Ib.max. 7 detl «| .S*wide 5-2 foot «E 4-20 Ib.-foot clBF idem. 10 oz. min. OS RN) | 10-20 Ib. if foot 40 oz.max. y rests onit. T— To —last— prefer bot shape prefer 2 settings to 3 or 4 (O) te8o HENRY DREvEIISS ACCESS OPENINGS “INDICATES DESCRIPTION APPLIES TO DATA TABULATED BELOW INI HANDS BODY ma empty hand |" bore “As E-SUA work space held flat 4x2.28"] 6x3º | 65x4 manhole clothes — suit 228 36'D D mintowrist | 3.5sq. | 5.5sq. | 6.5q. *min.ovg. |* prefer |º arctic CO notre clothes clothes “ no "1.D. “LD. “LO. O 3750 |575D |6250D 2s"tD. | adro. | 32 ceiling and “ “ “ Õ clenched hand | 3.5x5 | 4.5x6 | 7x8.5 O floor hatch te o ER o seo O) dad .b sso E E 18sq. | 22sq | 32sq. | inserting 1º | objecttowrist | 375D | 6D | ZD n q [|] wall hatch 18xIS5 | 22x20 | 32x24 using pliers |5.2x4.5 screw driver | 42x4.6 = = A| - one hand Les? | Le6" | 10 65º sc ho |20x32 | — — B |passingobject |A+B=1.75| A+B «2.5 | AsB=2.5 Pi two hands H=4 Hz6 Hz6.5 [Jul straight ahead | ada tor | ada for | ada for der por |20x29 | — | — a5reach | reoch= 6-25*| vision | vision | vision ARMS “ciothed |º arctic crowi thru | 20x31 |22x36 | 30x38 arm to elbow bl as'D E “a — 45sq. | Ts prone occess | 22.8xI7 | 30X20 | 30x24 O armto shoulder] — s.b 8so 22" os" 32" H | catwalk H=63 | He73 | He75 ' “ou au — s.sq. | 8.5 sq. 2 15 5 FINGERS normal pass | 22x76 | 30x80 | 30x80 . * bare |ºgloves . one finger r2s*D | 1.5ºD e pass sideways| 13 x 76 | 15 x80| 19x80 recessed push button | 0:93D — E 20x44 | 26x66 4 |pressure hatch] ,.ige ato! = A —e to floor| to floor twist access 2.0 2.s*D — 9» hold acrew head bent | 20t024| 30x70 | 30x70 FooT de head erect 20to24 | 30x80 | 30x80 bare avg. |arctic X70 | to84] toss access shoe boot to pedal 4.3x1.5 | 4.7xI2.7 | 6.3x15.3 two men facing 30x76 Ses 8o | 36x80 h ot 084 | toB4 HEAD eochother bare |military| work two men helmet | helmet A O heod passage . e a a passing 42 x76 |54x80 |60x80 9.3 us 12.5 abreast toss tosa (O) 1966 HENRY DREYFUSS SEATING ME CONVENTIONAL STRAIGHT CHAIR FOR SHORT DURATIONS USED FOR STUDY, WORK, & EATING TOP OF Back SERVES AS, ARM REST FLAT SEAT PERMITS ROLL se-aa" o-se 17" BEST AVG” SEAT WIDTH: I6-17" 2 | WORK CHAIR FOR LONG PERIODS USED FOR STUDY, TYPING,A CONSOLES = AVOID SPRING CENTER OF LOADED BACK SUPPORT TO RESTS BE 1-2“ ABOVE CENTER ss-198* OF LUMBAR SEAT Conv Er Pie nos.” + os rat grama aDsis-m* SEAT WIDTH: 15' BACK REST WIDTH: I2-14" BACK REST CONCAVITY: 6. [3] THREE POSTURE WORK CHAIR FOR LONG PERIODS 3 —— BODY NUNCHED FORWARD o-r5tcome. s-7* 18-21" ADJ. ORE LEG LENGTH SEAT WIDTH: 13.8. ARM REST, INSIDE SPACING: 18" MIN. w HIGH FOR SOME WOMEN (14 - 15" MAY BE REQ.) (OR USE FOOT STOOL) EXECUTIVE AND CASUAL CHAIR APPLIED TO THEATER CHAIRS IF FIXED 6 SEAT FOCOS ARM RESTAT Back REF. TABLE HT. PLANE + (AOS WRITING (5 comp erona E aco! Ira crente am WITH SHOCK Co Ep e SEAT WIDTH: IS"MIN. ARM REST INSIDE SPACING: 19º ARM REST WIDT) S | HIGH CHAIR FOR STAND ALSO USED FOR DRAFTING AND AT COUNTERS SEAT DETAILS SIMILAR TO NO.2 nos Ta sap o” FOOT RING al = DIA. Abu. TO 30" 12"uax MO CasTERS PREFER FIXED FOOT REST ON CONSOLE 6 | RAILROAD SEATING ACCOMMODATES 90% ADULTS BACK REE. FOR HEAD NE SEE FINAL STABLE . REST POSTURE | 100-105' SEAT NOIO PARALLEL TO SEAT OR FLOOR seu RE c=> Prime 20 Rg 7 3 ISCHAL TUBEROSITY / POPLITEAL O 8 SUPPORT, FIR! ORT, SOFT SHOULDER 19º MIN. PER PERSON HIP WIDTH: PER PERSON ARM REST WIDTH: 2 7 | AUTOMOBILE, TRUCK & TANK INCLUDES LOW SILHOUETTE SEATING ALERT POS. FOR ORIVER EST POS.FOR RIDER 19"sLIDE UNDER CLEAR 'POPLITEAL SUPPORT ISCHIAL TUBEROSITY SUPPORT T 21º(38 FORS) [8] TRACTOR SEAT WITH LEG STABILITY LUMBAR SUPPORT FOR RELAXING SACRUM SUPPORTS FOR ROUGH TERRAIN SIDE SUPPORTS sa so ADJUSTMENT, PLANE ADJ.23-29" 20.7", ARM REST: 2" VIDE WIDTH JOYSTICK OR WHEEL o srick 23] WHEEL E CHOOSE EYE LEVEL 54-36 MIN. PITCH 38-40"DELUXE SEAT WIDTH: ZI“MIN.>IMA. A I9"CIHA. BACK WIDTH sea? j VERT. SEAT ADJ.6: HORIZ. SEATADJ.6º TOTAL | LUMBAR SUPPORT WIDTH: IO [bias IO] AIRLINE SEAT H | DENTAL CHAIR 2| SPACE COUCH nº 14º] 25G MAX. E A dentiaT PROVIDE SEPARATE SMOULDER HARNESS cenrisr *5 srs EaIT=== n 8-9 PAD 12" 1" 22 10, IS" HEAD LOW POS. Lu ARM REST: 2º q. SEAT WIDTH: 20" TAPERS TO I2"AT HEAD END 8 16.5" AT FOOT É ROTATION ARM POCKETS & ADJ. ARM RESTS 2 BODY CONTOUR LATERAL SUPPORTS REO. EACH SIDE & HEAD BANOS REQ. BACK PLANE sr BACK PAN LEG SEPARATOR IS REQ. FINAL STABLE POSTURE PLASTIC CONTOURS TO BE DESIGNEO TO PREVENT REBOUNDS SPACE COUCH TO BE CUSTOM MADE FOR. EACH INDIVIDUAL NorE: NOTE: )) 1966 HENRY DREYFUSS mA BICYCLES BICYCLING POSTURE- RACING, ADULT MALE SO%TILE ILIOPSOAS MUSCLE o Ê 4 QL BICYCLE-TOP VIEW 42 [Z do ado 1] | E NE es FRONT VIEW AY 15º Ses ! / Ê BICYCLING POSTURE - CRUISING,ADULT MALE € BICYCLE- TOP VIEW 75 SO%WTILE BICYCLING POSTURE- CRUISING, JUVENILE GROUP 14,11,8 & 6 YR. OLD BOYS ( BICYCLE - TOP VIEW ISCHIAL 30º FOR6,8,Il YR.OLD TUBEROSITY. 15º FOR I4YR.OLO ADJUST 4 24.5-28.5 ADJUST h—6-8 (O) 1966 HENRY DREYFUSS IR) ENVIRONMENTAL TOLERANCE ZONES w ss. ER e 5ES 2% 5 Es s SAS z5o e EA Ea Ei “2 eLa frio sE A ç 23 go 1%, 1%, 4 %, qn interreloted NOISE a TEMPERATURE (decibeis) <30tF (degree Fahrenheit) avoid continued silence ear N 'sh pp LOS, UA “oito Mer (uoo. er p Toy q Our) 19 ma ds So uu 5, ud õ Pos So Be ' ” a IEA 5 io o o Ed Ne o ES > Seg r E] FE) ee 3 TSE E br) a u THE BAND BETWEEN THE CIRCLES INDICATES THE ZONE FROM COMFORT TO THE TOLER- ANCE LIMIT. OUTSIDE THIS LIMIT GREAT DISCOMFORT OR PHYSIOLOGICAL HARM IS EN- COUNTERED. OTHER FACTORS NOT SHOWN AND TO BE CONSIDERED ARE: INFRA-RED RADIATION, ULTRA -SONIC VIBRATIONS, NOXIOUS GASES, DUST, POLLEN, CHEMICALS & FUNGI. (O) 1966 HENRY DREYFUSS 
