ISO 21853-2020 pdf free

04-22-2021 comment

ISO 21853-2020 pdf free.Kite boarding — Release system — Safety requirements and test methods.
1.This document specifies the minimum safety requirement and test methods for a release system thatreduces the pulling force of the kite and disconnects the user from the kite.
This document is applicable for release systems which are operated intentionally by the user or anotherperson, and are used for the sport of kite boarding.
2.Normative references:The following documents are referred to in the text in such a way that some or all of their contentconstitutes requirements of this document.For dated references,only the edition cited applies.Forundated references,the latest edition of the referenced document (including any amendments) applies.
The part of the release system which is used for triggering, i.e. the triggering element, shall have acontrasting colour to the other parts of the release system, predominantly (>50 %] in red on its visiblesurface.The other parts of the release system shall not be in contrasting colours to each other.The release system should be free from finger entrapments, squeeze and shear points.
Edges that could come into contact with the user’s hands during use or handling and maintenanceshould not be sharp, e.g.deburred, broken, rolled or processed with comparable techniques.
Test in accordance with 5.7.The space of activation shall not be restricted at any time by any part of the control system and by anypart/component of the release system.
NOTE This also relates to soft parts/components of the release system which could, while being gripped andused for triggering, deform and/or tilt and consequently obstruct the actual movement of triggering.
While being triggered, no part/component of the release system should impact the user’s hands.
It shall be possible to trigger the main release system by a first single action.
lt shall be possible to trigger the disconnecting release system it by a second single action.
The action for triggering shall be ergonomically and kinematically suitable for the physiologicalmovements of the user.
lt should be possible to trigger the main release system/disconnecting release system with garments,e.g.gloves.ISO 21853 pdf download.

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