BS EN ISO 20320:2020 pdf download

BS EN ISO 20320:2020 pdf download.Protective clothing for use in snowboarding — Wrist protectors — Requirements and test methods
1 Scope
This document specifies the requirements and test methods for ergonomics, innocuousness, comfort/ sizing, restraint, ability to limit wrist extension and attenuate impact force on the palm as well as provisions for marking and instructions supplied by the manufacturer for wrist protectors for all users of snowboard equipment. It does not apply to protectors used in roller sports, alpine skiing, or other sports. This document does not address protection for the forearm due to axial forces caused by an impact on the fingers or fist. Moreover, this document does not address protection against palmar flexion (terminal flexion) caused by an impact on the dorsal side of the hand.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 21420:2020, Protective gloves — General requirements and test methods
ISO 13999-1:1999, Protective clothing — Gloves and arm guards protecting against cuts and stabs by hand
knives — Part 1: Chain mail gloves and arm guards
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at http:// www .electropedia .org/
3.1 wrist
radio-carpal joint
3.2 dorsal
pertaining to upper side or back of the hand and wrist
3.3 palmar
pertaining to the palm side of the hand and wrist
3.4 wrist protector
wrist guard
device worn on the wrist and extending onto the forearm and the hand, that is intended to reduce the risk of wrist injuries by mechanical impact
3.5 concepts of wrist protectors
3.5.1 integrated protection concept
glove and protection elements forming one unit and used as one product
3.5.2 standalone protection concept
protection elements forming a wrist protector which can be worn with a glove, where the suitable type of glove will be specified by the manufacturer
Note 1 to entry: The manufacturer specifies how the protector is to be worn, including, whether the protector is to be worn underneath or on top of the glove.