| 摘要 |
An ankle joint structure of a walking assistance device is capable of protecting a user from feeling uncomfortable by properly following the foot motions of the user. An ankle joint has a turn shaft member enabling a ground contact assembly to turn relative to a leg link, a lateral rotation shaft member enabling the ground contact assembly to laterally rotate relative to the leg link, and a longitudinal rotation shaft member enabling the ground contact assembly to longitudinally rotate relative to the leg link. The turn shaft member is connected to the leg link, the longitudinal rotation shaft member is connected to the ground contact assembly, and the lateral rotation shaft member is disposed between the turn shaft member and the longitudinal rotation shaft member.
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