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1、International Standard INTERNATIONAL ORGANIZATION FOR STANDARDIZATION.MEWYHAPOHAR OPrAHM3ALWR l-IO CTAHAAPTM3AlJMMORGANISATION INTERNATIONALE DE NORMALISATION Furniture - Chairs and tables for educational institutions - Functional sizes Ameublement - Sieges et tables pour Etablissements denseignemen
2、t - Dimensions fonctionnelles First edition - 1979-12-15 UDC 371.63 Ref. No. ISO 5970-1979 (E) Descriptors : furniture, chairs, tables (furniture), study buildings, human factors engineering, specifications. Price based on 5 pages Copyright International Organization for Standardization Provided by
3、IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/27/2007 01:08:16 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO (the International Organizatim for Standardization) is a worldwide federation sf national standards institutes (
4、ISO member bodiesf . The work sf developing lnterna- tional Standards is carried out through ISO technical committees. Every member body interested in a subject for which a technical committee has been set sap has the rfght to be represented on that committee. International organizatisns, government
5、a and non- governmental, in liaison 8th IS I also rake part in the vwxk. Draft International Standards adspted by the technical committees arc cicdated is the member bedies for apprsva! befsre their acceptance as International Standards by the 1SO Councill. International Standard ISO 5970 was develo
6、ped by Technical Committee BSWTC 136, !?IDx?w, and was circulated to the member bodies in JuPy 1977. It has been approved by the member bodies of the fobvving countries : Austria Iran Bulgaria Ireland Canada Israel Czechoslovakia Italy Germany, F. R. Japan Hungary IVlexico India Poland Romania Spain
7、 United Kingdom Yugoslavia The member bodies of the following countries expressed disapproval o-F the document on technicai grounds : Denmark France Netherlands Sweden 0 International Organkation for Standardkation, 1979 Printed in Switzerland Copyright International Organization for Standardization
8、 Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/27/2007 01:08:16 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD ISO 59704979 (EI Furniture - Chairs and tables for educational institutions - Fu
9、nctional sizes 0 Introduction 1 Scope and field of application This International Standard has been prepared adopting the principle that seating and tables should be designed to en- Courage good postures for all those using them in educational institutions. The dimensions specified in this Internati
10、onal Standard are confined to those which derive from an- thropometric data. Compliance with this International Standard ensures that the furniture permits good seating Postures, yet allows designers and manufacturers the freedom to meet local technical, educational and economic circumstances. This
11、International Standard specifies the basic functional sizes for seating and tables in educational institutions. lt does not in- clude any special requirements that apply to “spe adjustments to the distribu- tion of the seven sizes to populations with significantly different body proportions may, how
12、ever, be necessary. lt is recom- mended that national Surveys are made in Order to establish the best distribution of the furniture sizes for local school popula- tions. The seven sizes for seating and related tables in this Interna- tional Standard tan satisfy the seating requirements in all educat
13、ional institutions lother than “special schools”). The higher table heights may also serve as standing work heights for smaller pupils; for standing work heights for taller pupils the range of heights will eventually be extended in a fur- ther part of this International Standard. 2 Dimensions Dimens
14、ions for seating are given in table 1, and for tables in table 2. The references to the dimensions are shown in figure 1 (dimensions in section) and figure 2 (dimensions in plar9.i) In table 2 the minimum depth (t,) and the minimum length (61) are for tables specifically for Single and dual use. The
15、 leg clearance zone as defined by dimensions hz, h3, hq, bz, t2 and t3 must be provided under all tables at which pupils will be seated. Any construction or storage under the table top shall be design- ed to provide a leg clearance zone that is not less than the minimum specified. 1) Tolerantes in t
16、able 1 and table 2 are not manufacturing tolerantes but intervals for the functional dimensions. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/27/2007 01:08:16 MDTNo reproduction or ne
17、tworking permitted without license from IHS -,-,- ISO 59704979 (E) Table 1 - Seating Dimensions in millimetres Sizemark Identif ication Colour Reference stature - average body height h5 Height of seat2) (tolerante + 10) t4 Effective depth of seat3) (tolerante + 10) 63 Minimum width of seat u/ Refere
18、nce Point for b4) h6 Maximum height to bottom of backrest5j6) min. h7 Height to top of backres) max. b4 Minimum width of backrest r1 Radius of front edge of the seat*) r2 Minimum radius of backrestg) 6 Angle of seatlO) Inclination of backrestll) 0” 1 2 3 4 5 6 white orange violet yellow red green bl
19、ue 900 1050 1200 1350 1500 1650 1 800 220 260 300 340 380 420 460 - 260 290 330 360 380 400 - 250 270 290 320 340 360 - 160 170 190 200 210 220 - 120 130 150 160 170 190 - 210 250 280 310 330 360 - 250 280 310 330 360 400 - 250 250 250 280 300 320 - 30 to 50 30 to 50 30 to 50 30 to 50 30 to 50 30 to
20、 50 - 300 300 300 300 300 300 - o” to 4O o” to 4O o” to 4O o” to 4O o” to 4O o” to 4O - 95O to 106O 95O to 106O 95O to 106O 95O to 106O 95O to 106 95 to 106 1) For size 0, the identification colour and the height of seat only are standardized. 2) h, is measured to the highest Point of the front of t
21、he seating area on the centre line. 3) t4 is measured on the centre line of the seat plane from the front edge to a perpendicular line from reference Point W. 4) Wis the maximum height of foremost Point of backrest. 5) Room for free movement of the posterior in the writing Position should be ensured
22、. 6) h6 and h7 are measured on the centre line of the seat plane from the lowest part of the seating surface. 7) The upper and lower edge of the backrest should be well rounded. 8) rl is the approximate radius of the top surface. The curve need not be an exact arc of a circle. 9) r2 is the radius of
23、 the backrest in a horizontal plane. 10) 6 : the main patt of the seating surface shall lie between the horizontal and a slope of 4O maximum. The seating sut-face may be flat or include dishing. Any dishing shall occur in the back two-thirds of the effective seat depth. The deepest part of the dishi
24、ng shall occur at the back part of the effective seat depth. 11) /? is the angle between the horizontal and the plane of the backrest between h, and Won the centre line of the seat. The Profile of the backrest between h, and W is not defined. 2 Copyright International Organization for Standardizatio
25、n Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/27/2007 01:08:16 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 59704979 (EI Table 2 - Tables Dimensions in millimetres t Sizemark 0” 1 2 3 4 5 6 Identification C
26、olour white orange violet yellow red green blue Reference stature - average body height 900 1050 1200 1350 1500 1650 1 800 hl Height of top2)3) (tolerante + 10) 520 580 640 700 760 h2 Minimum height of legroom3) - 350 410 470 530 590 650 h3 Minimum height of knee zone - 350 350 450 500 h4 Minimum he
27、ight of tibia zone - 250 250 300 300 350 350 4 Minimum depth of top4) - 450 500 !m Single table - 600 600 700 700 700 700 bl Minimum length of top4) double table - 1200 1200 1300 1 300 1300 1300 b2 Minimum width of knee zone - 450 470 470 470 470 t2 Minimum depth of knee zone - 300 300 300 350 400 t
28、3 Minimum depth of tibia zone - 400 450 450 1) For size 0, the identification colour and the height of top only are standardized. 2) hl : Table top surfaces specified in this International Standard are horizontal. However, should an inclined surface be required an inclination of IO to 16O is recomme
29、nded. The edge towards the pupil shall stay at approximately the same height as when the table is horizontal. 3) hl - h2 : If a shelf is provided within this Zone, the opening should be not less than 60 mm high. 4) Table 2 gives the preferred sizes of the minimum depth and length of table tops. For
30、standardization purposes it is recommended that these sizes be applied. However, if it is necessary to deviate from these sizes, the following incremental sizes should be used : size b, : from 450 mm to 800 mm : 50 mm increment from 800 mm to 2 000 mm : 100 mm increment size t, : from 450 mm to 1 20
31、0 mm : 50 mm increment 3 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/27/2007 01:08:16 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 5970-1979 (E) Figu
32、re 1 - Dimensions in section I 1 I 1 I 1 I 1 1 I I 1 I I 1 I LL -SB 1 I I I I I I I I I I 1 I 1 I I l Figure 2 - Dimensions in plan 4 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/27/2
33、007 01:08:16 MDTNo reproduction or networking permitted without license from IHS -,-,- so 5970-1979 (El 3 Relationship of seat and table 4 Marking It is appreciated that there are many sitting postures which are adopted by pupils in schools. For assessing the fit of chair and table it is necessary t
34、o adopt the posture and check the seven criteria as illustrated in figure 3. The indication of a good fit is the simultaneous satisfaction of all the criteria illustrated in the figure. Seating and tables made in accordance with this International Standard shall be indelibly marked with the sizemark
35、 reference or the colour code or both. A Feet, with shoes on, shall be flat on the floor. B C There shall be suff icient clearance between thigh side of table to allow for freedom of movement. and under- There shall be no pressu re at th seating surface and the thighs. e front of the seat between th
36、e D The height of the table shall be selected so that the elbows are at approximately the same level as the front edge of the table top when the upper arm is suspended vertically. E F G The backrest shall support the back in the below the shoulder blades in a firm manner There shall be clearance fro
37、nt edge of the seat. between the back of the legs and the lumbar region and Adequate clearance between lumbar support and seat provided to ensure free movement of the buttocks. shall be Figure 3 - Method of assessing fit of chair and table Copyright International Organization for Standardization Pro
38、vided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/27/2007 01:08:16 MDTNo reproduction or networking permitted without license from IHS -,-,- This page intentionally left blank Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/27/2007 01:08:16 MDTNo reproduction or networking permitted without license from IHS -,-,-