PROBLEM TO BE SOLVED: To provide an ankle joint structure in walking aids that appropriately follows the movements of a users sole and prevents his feeling of discomfort.SOLUTION: The ankle joint part 7 includes a pivot member 71 that can freely turn a ground contact part 8 around a leg link 2, a laterally turning shaft member 72 that can laterally, freely turn the ground contact part 8 around the leg link 2, and a forward/back turning shaft member 73 that can freely turn the ground contact part 8 in the forward/back directions of the leg link 2. The pivot member 71 is connected with the leg link 2, the forward/back turning shaft member 73 is connected with the ground contact part 8, and the lateral turning shaft member 72 is arranged between the pivot member 71 and the forward/back turning shaft member 73.COPYRIGHT: (C)2010,JPO&INPIT【課題】利用者の足平の動きに適切に追従し利用者に違和感を与えることを防止できる歩行補助装置の足首関節構造を提供する。【解決手段】足首関節部7は、接地部8を脚リンク2に対し旋回自在とする旋回軸部材71と、接地部8を脚リンク2に対し横方向に回動自在な横回動軸部材72と、接地部8を脚リンク2に対し前後方向に回動自在とする前後回動軸部材73とを備える。旋回軸部材71は脚リンク2に連結され、前後回動軸部材73は接地部8に連結され、横回動軸部材72は旋回軸部材71と前後回動軸部材73との間に配置される。【選択図】図1
