ISO 12808:2024

FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 12808
ISO/TC 136
Hardware for furniture — Strength
Secretariat: UNI
and durability of extension elements
Voting begins on:
2023-12-20 and their components
Voting terminates on:
Quincaillerie d'ameublement — Résistance mécanique et endurance
2024-02-14
des éléments extractibles et de leurs composants
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 12808:2023(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. © ISO 2023

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ISO/FDIS 12808:2023(E)
FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 12808
ISO/TC 136
Hardware for furniture — Strength
Secretariat: UNI
and durability of extension elements
Voting begins on:
and their components
Voting terminates on:
Quincaillerie d'ameublement — Résistance mécanique et endurance
des éléments extractibles et de leurs composants
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
RECIPIENTS OF THIS DRAFT ARE INVITED TO
ISO copyright office
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
CP 401 • Ch. de Blandonnet 8
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
CH-1214 Vernier, Geneva
DOCUMENTATION.
Phone: +41 22 749 01 11
IN ADDITION TO THEIR EVALUATION AS
Reference number
Email: copyright@iso.org
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
ISO/FDIS 12808:2023(E)
Website: www.iso.org
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
Published in Switzerland
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN­
DARDS TO WHICH REFERENCE MAY BE MADE IN
ii
  © ISO 2023 – All rights reserved
NATIONAL REGULATIONS. © ISO 2023

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ISO/FDIS 12808:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Test conditions .2
4.1 General . 2
4.2 Application of forces . 2
4.3 Tolerances . 2
4.4 Sequence of testing . 3
4.5 Inspection and assessment of results . 3
5 Test equipment .
...

ISO/DIS FDIS 12808:2023(E)
ISO/TC 136
Secretariat: UNI
Date: 2023-11
Hardware for furniture — Strength and durability of extension elements and their
components
First edition
Date: 2023-12-06

---------------------- Page: 1 ----------------------
ISO/FDIS 12808:2023(E)
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of
this publication may be reproduced or utilized otherwise in any form or by any means, electronic or
mechanical, including photocopying, or posting on the internet or an intranet, without prior written
permission. Permission can be requested from either ISO at the address below or ISO’sISO's member body
in the country of the requester.
ISO Copyright Office
CP 401 • CH. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: + 41 22 749 01 11
Email: copyright@iso.org copyright@iso.org
Website: www.iso.org
Published in Switzerland.
ii © ISO 2023 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/FDIS 12808:2023(E)
Contents
Foreword . 5
Introduction . 6
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Test conditions . 2
4.1 General . 2
4.2 Application of forces . 2
4.3 Tolerances . 2
4.4 Sequence of testing . 3
4.5 Inspection and assessment of results . 3
5 Test equipment . 3
5.1 General . 3
5.2 Masses . 3
5.3 Glass/steel marbles . 3
5.4 Loads for filing pockets . 4
5.5 Loading pad . 5
5.6 Test frame and test drawer . 6
5.7 Particle board properties . 7
6 Test procedures and requirements . 8
6.1 General . 8
6.2 Overload tests . 8
6.2.1 General . 8
6.2.2 Vertical downwards static overload . 8
6.2.3 Horizontal sideways static overload . 9
6.2.4 Outwards static overload .
...