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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | DRAFT FOR DEVELOPMENT DD ENV 13759:2001 IC
2、S 97.140 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Domestic furniture Seating Test method for the determination of the durability of reclining and/or tilting mechanisms and operating mechanisms for convertible sofa beds Licensed Copy: London South Bank University, London
3、 South Bank University, Tue Dec 12 07:17:38 GMT+00:00 2006, Uncontrolled Copy, (c) BSI This Draft for Development, having been prepared under the direction of the Consumer Products and Services Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15
4、 February 2001 BSI 02-2001 ISBN 0 580 36622 7 DD ENV 13759:2001 Amendments issued since publication Amd. No.DateComments National foreword This Draft for Development is the official English language version of ENV 13759:2000. This publication is not to be regarded as a British Standard. It is being
5、issued in the Draft fof Development series of publications and is of a provisional nature because there is a need to gain experience from using this new test method. It should be applied on this provisional basis, so that information and experience of its practical application may be obtained. Comme
6、nts arising form the use of this Draft for Development are requested so that UK experience can be reported to the European organization responsible for its conversion into a European Standard. A review of this publication will be initiated 2 years after its publication by the European organization s
7、o that a decision can be taken on its status at the end of its three-year life. The commencement of the review period will be notified by an announcement in Update Standards. According to the replies received by the end of the review period, the responsible BSI Committee will decide whether to suppo
8、rt the conversion into a European Standard, to extend the life of the prestandard or to withdraw it. Comments should be sent in writing to the secretary of BSI Technical Committee FW/2, Domestic and contract furniture, at 389 Chiswick High Road, London W4 4AL, giving the document reference and claus
9、e number and proposing, where possible, an appropriate revision of the text. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document m
10、ay be found in the BSI Standards Catalogue under the section entitled International Standards Correspondence Index, or by using the Find facility of the BSI Standards Electronic Catalogue. Summary of pages This document comprises a front cover, an inside front cover, the ENV title page, pages 2 to 9
11、 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Licensed Copy: London South Bank University, London South Bank University, Tue Dec 12 07:17:38 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN PRESTANDARD PRNORME EUROPENNE EUROPIS
12、CHE VORNORM ENV 13759 October 2000 ICS 97.140 English version Domestic furniture - Seating - Test method for the determination of the durability of reclining and/or tilting mechanisms and operating mechanisms for convertible sofa beds Mobilier domestique - Siges - Mthodes dessai pour la dtermination
13、 de la durabilit des mcanismes de basculement et/ou dinclinaison et des mcanismes de manoeuvre des canaps convertibles Wohnmbel - Sitzmbel - Prfverfahren zur Bestimmung der Dauerhaltbarkeit von Neige- und Wippmechaniken und Funktionsmechaniken fr Liegesofas This European Prestandard (ENV) was approv
14、ed by CEN on 30 September 2000 as a prospective standard for provisional application. The period of validity of this ENV is limited initially to three years. After two years the members of CEN will be requested to submit their comments, particularly on the question whether the ENV can be converted i
15、nto a European Standard. CEN members are required to announce the existence of this ENV in the same way as for an EN and to make the ENV available promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force (in parallel to the ENV) until the f
16、inal decision about the possible conversion of the ENV into an EN is reached. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland a
17、nd United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Central Secretariat: rue de Stassart, 36 B-1050 Brussels 2000 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. ENV 1
18、3759:2000 E Licensed Copy: London South Bank University, London South Bank University, Tue Dec 12 07:17:38 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page 2 ENV 13759:2000 ContentsPage Foreword3 Introduction4 1 Scope4 2 Normative references .4 3 General test conditions.4 3.1 Preliminary preparation4
19、 3.2 Tolerances.5 4 Test equipment.5 4.1 Test dummy,5 4.2 Masses 5 5 Determination of the functional operation.7 6 Test procedure7 6.1 General7 6.2 Loads and weights.8 6.3 Test cycles.8 7 Test report 9 Licensed Copy: London South Bank University, London South Bank University, Tue Dec 12 07:17:38 GMT
20、+00:00 2006, Uncontrolled Copy, (c) BSI Page 3 ENV 13759:2000 Foreword This European Prestandard has been prepared by Technical Committee CEN/TC 207 “Furniture”, the secretariat of which is held by IBN. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the fo
21、llowing countries are bound to announce this European Prestandard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: London South Bank Univ
22、ersity, London South Bank University, Tue Dec 12 07:17:38 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page 4 ENV 13759:2000 Introduction This European test method has been developed in order that laboratories and manufacturers can carry out testing of functional mechanisms in the same systematic way
23、and so that test results will be comparable. When testing functional mechanisms, the practical use may differ as a consequence of the stature of the person using the seating. A tall person may be able to recline the back of a chair only by leaning back (the weight of the upper body will recline the
24、back) whereas a small person may need both the weight of the upper body and and additional force e.g. from pressing with the hands/arms. The current test method, concequently, emphasizes this difference by carrying out the technical testing on the basis of a description of the practical use of two d
25、ifferent persons. This may in many cases lead to two different tests. 1Scope This ENV specifies a test method for the determination of the durability of hand and power operated reclining and tilting mechanisms. It also specifies test methods for the determination of durability of mechanisms for conv
26、erting sofas and chairs into beds. Test methods for strength and durability of the structure are not included, for which references shall be made to prEN 1728:1998 and to EN 1725. It does not apply to testing electrical components except for their function as part of the mechanism under test, nor do
27、es it apply to seating which comes within the scope of the medical device directive. 2Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publica
28、tions are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amen
29、dments). EN 1725 “Domestic furniture - Beds and mattresses - Safety requirements and test methods“ prEN 1728:1998 “Domestic furniture - Seating - Test methods - Determination of strength and durability“ 3General test conditions 3.1Preliminary preparation Before testing is commenced, the test unit sh
30、all be old enough to ensure that it has developed its full strength. At least four weeks in normal indoor conditions shall have elapsed between manufacture and testing in the case of glued joints in timber and the like. The furniture shall be tested as delivered. Knock-down furniture shall be assemb
31、led according to the instructions supplied with it. If the test unit can be assembled in different ways, the most adverse combination shall be used. Knock-down fittings shall be tightened before testing, if applicable. Further tightening shall not take place unless this is specifically required by t
32、he manufacturer. Licensed Copy: London South Bank University, London South Bank University, Tue Dec 12 07:17:38 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page 5 ENV 13759:2000 The unit for test shall be stored in indoor ambient conditions for at least one week immediately prior to testing. Any devi
33、ation from this procedure shall be recorded in the test report. The tests shall be carried out in indoor conditions, but if during a test the atmospheric temperature is outside the range 15 C to 25 C, the maximum and/or minimum temperature shall be recorded in the test report. 3.2Tolerances Unless o
34、therwise stated: - all forces shall have an accuracy of 5% - all masses an accuracy of 0,5% - all dimensions an accuracy of 1mm. 4Test equipment 4.1Test dummy, consisting of three main parts (back part - seat part - lower leg part) and made of approx 30 mm rigid material with a density of 650 kg/m3
35、10 %, e.g. birch plywood. The dummy shall comply with the dimensions given in Figure 1, i.e. LengthWidth Back part450 mm350 mm Seat part (incl. curve)540 mm350 mm Lower leg part460 mm200 mm All edges and corners which are in contact with the seating shall be rounded with a radius of approximately 30
36、 mm. The hinge points shall be as shown in Figure 1, and hinging shall be so that upholstery materials, e.g. textiles, leather and foam, are not trapped and/or torn by the moving parts of the dummy. The weight of the dummy including pivots but excluding additional masses W1, W2 and W3 (6.2) shall be
37、 8,95 kg 10 %. Note Other materials may be used provided that the centres of gravity and the total masses are maintained. The back part of the dummy shall be capable of rotating rearwards until it at least reaches horizontal, and it shall be restricted from rotating further forwards than 30 to the v
38、ertical, see Figure 1. The lower leg part shall at least be capable of rotating from horizontal to vertical, see Figure 1. The dummy shall be fitted with attachment points on the longitudinal centreline so that the total mass can be adjusted as to the two types described in 6.2 (65 kg and 95 kg). Th
39、e attachment points (points A for the 65 kg type and points B for the 95 kg type and the centre of gravity of the masses shall be as specified in Figure 1. 4.2Masses which shall be attached to the dummy are specified in Figure 1. Licensed Copy: London South Bank University, London South Bank Univers
40、ity, Tue Dec 12 07:17:38 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page 6 ENV 13759:2000 Dimensions in millimeters Key A= 65kg type B= 95kg type W = masses T= C.G. of masses 1 = Lower leg part 2= Seat part 3= Back part 4= Hinge Lower leg part: A1=250mm B1=300mm T1A=16mmW1A=4,5kg T1B=23mmW1B=7,5kg S
41、eat part: A2=110mm B2=145mm T2A=15mmW2A=12,55kg T2B=23mmW2B=20,05kg Back part: A3=177mm B3=227mm T3A=75mmW3A=39,0kg T3B=93mmW3B=58,5kg Figure 1 - Test dummy Licensed Copy: London South Bank University, London South Bank University, Tue Dec 12 07:17:38 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page
42、7 ENV 13759:2000 5Determination of the functional operation 5.1In order to determine the appropriate test procedure(s) for the seating, the functional operation(s) shall be examined. In the case of seating occupied during operation, the manner of operation shall be examined when the seating is used
43、by two different persons as defined below: one person of (165 5) cm and (65 5) kg, and one person of (195 5) cm and (95 5) kg. 5.2The examination shall be used to describe the manner of operation of the seating. The description shall include at least the following: - means of operation (e.g. power,
44、body movement), - stages of operation, - time taken to carry out operation(s), and - whereever possible the forces exerted. For seating: actions required to recline/tilt the seating (incl the release of locking devices), e.g. pressing the arms and thereby reducing the load on the seat or other ways
45、of moving the weight of the test person from one part of the seating to another. Actions required to bring the seating to the upright position including, e.g. extra load being applied to the foot rest or other ways of moving the weight of the test person from one part of the seating to another. For
46、convertible bed/settees: - actions required to convert the bed into a sofa - actions required to convert a sofa into a bed. 6Test procedure 6.1General Testing shall be carried out as closely to the manner of operation described (see clause 5) as practically possible, and sufficiently slowly to ensur
47、e that kinetic heating does not occur. With the seating in its most upright position and the dummy in the “sitting position“ (i.e. back part and lower leg part approximately vertical), the back part of the dummy shall be positioned as far to the rear of the seat as possible. In the case of seating o
48、ccupied during operation, half the number of cycles shall be carried out using dummy type A and the manner of operation described for a 65 kg person and half the number using dummy type B and the manner of operation described for a 95 kg person. Seating which can be operated both when the seating is
49、 occupied and when there is no one in the seating shall be tested as described for seating occupied during operation. Licensed Copy: London South Bank University, London South Bank University, Tue Dec 12 07:17:38 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page 8 ENV 13759:2000 For seating occupied during operation, the following shall always apply: - the means of operating the seating shall be such that stops around the legs or base should not be neccesary, i.e. additional external forces should be avoided if possible, and - the total weight