Requirements for finger entrapment in European safety ... - ANEC

Contents
Executive Summary ...................................................................................................................................... 4
1. The age children begin to explore with their fingers. .................................................................... 4
2. Requirements for static finger entrapment hazards ...................................................................... 4
3. First review of tests for dynamic finger entrapment hazards ........................................................ 6
1 Introduction ............................................................................................................................................ 7
2 Review of Current Literature ................................................................................................................. 7
2.1 Literature on finger entrapment ..................................................................................................... 7
2.2 Injury data ...................................................................................................................................... 7
2.3 Child development ........................................................................................................................ 7
2.3.1 Reaching and object exploration ........................................................................................... 8
3 Assessment of anthropometric data for finger entrapment requirements ............................................. 9
3.1 The data ........................................................................................................................................ 9
3.2 Which data to use? ..................................................................................................................... 10
3.3 Choosing which measurements to use ....................................................................................... 12
3.4 Static entrapment – the data ....................................................................................................... 13
3.4.1 Minimum width requirement for round or oval openings ..................................................... 13
3.4.2 Minimum width requirement for slots .................................................................................. 14
3.4.3 Maximum width requirement for all openings ..................................................................... 15
3.4.4 Maximum depth requirement for all openings ..................................................................... 17
3.5 Calculation of little finger tip length ............................................................................................. 22
4 First review of tests for dynamic entrapment ...................................................................................... 23
4.1 Preliminary anthropometric data collection using the 3D scanner .............................................. 24
4.2 Findings ....................................................................................................................................... 26
4.3 Evaluation of the test method...................................................................................................... 27
5 Observational Study ............................................................................................................................ 27
5.1 Observational Protocol ................................................................................................................ 27
5.2 Apparatus and task ..................................................................................................................... 27
5.3 Results of observational study .................................................................................................... 28
6 Discussion and conclusions ................................................................................................................ 39
7 References .......................................................................................................................................... 41
Appendix 1 – Anthropometric data tables ................................................................................................... 43
Appendix 2 - Observation recording sheet .................................................................................................. 56
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