| 摘要 |
A chair, particularly a wheelchair (1), has a detachable active calf support (4), which has a plurality of inflatable cushion members (A, B, C, D) providing a calf support surface for a person in the chair. The cushion members are parallel transverse tubes forming an array extending away from the chair seat (3). The chair has a control for inflating and deflating the tubes in a predetermined sequence.
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