ISO 16249:2013

INTERNATIONAL ISO
STANDARD 16249
First edition
2013-04-01
Springs — Symbols
Ressorts — Symboles
Reference number
ISO 16249:2013(E)
©
ISO 2013

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ISO 16249:2013(E)

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© ISO 2013
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Published in Switzerland
ii © ISO 2013 – All rights reserved

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ISO 16249:2013(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Composition of spring symbols . 1
4.1 General . 1
4.2 Basic characters . 2
4.3 Subscripts . 2
5 Creation of new spring symbols . 3
5.1 General . 3
5.2 Latin letters and Greek letters for basic characters . 3
5.3 Upper case letters and lower case letters for basic characters . 3
5.4 Latin letters and Greek letters for subscripts . 3
5.5 Upper case letters and lower case letters for subscripts . . 3
6 Basic character and subscript components of spring symbols . 3
6.1 Basic character components . 3
6.2 Subscript components . 4
7 Application symbols for helical compression springs . 5
8 Application symbols for helical extension springs . 9
9 Application symbols for helical torsion springs .10
10 Application symbols for flat springs .
...