This document specifies the requirements and test methods for the friction between the foot pads of mobility aids and the walking surface. This document applies to foot pads for normal gait use on dry and flat surfaces, and does not apply to foot pads for special purposes. Example 1: Normal use: Examples include crutches, elbow crutches, forearm support crutches, armpit crutches, framed walkers, wheeled walkers, and table walkers. Example 2: Special purpose: such as ice, snow, etc.
GB/T 40889.1-2021 Referenced Document
ISO 9999 Assistive products — Classification and terminology*, 2022-05-16 Update
GB/T 40889.1-2021 history
2021GB/T 40889.1-2021 Tips for assistive products for walking—Requirements and test methods—Part 1: Friction of tips