| 摘要 |
A walking assistance device having an ankle joint limited in a swingable range in a rolling direction, enabling a user to open his/her legs apart more easily. The walking assistance device includes a seating member 1, a pair of leg links 2 and 2 which support the seating member 1 from below, and a ground contact member 8 connected to each leg link 2 through an ankle joint 7. The ankle joint 7 has a coupling mechanism 100 which includes a joint shaft member 106 and a retaining portion which swingably retains the joint shaft member 106 in the rolling direction in a predetermined rangeφ. The joint shaft member 106 is inclined to an abduction side in the rolling direction from the middle position of the predetermined rangeφin which the joint shaft member is swingable in the rolling direction when the walking assistance device is in an upright state.
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