| 摘要 |
One aspect of the invention is a seat tilt apparatus for a wheelchair, which wheelchair comprises a chassis and a seat. The seat tilt apparatus comprises a base member, a seat supporting member, a pivotal arm and a linear drive member The base member is fixable to the chassis and provided with a guide slot. The seat supporting member is arranged to supportably receive the seat, movable in relation to the base member and guided by the guide slot. The pivotal arm is pivotally connected to the base member at a first point and to the seat supporting member. The linear drive member is pivotally connected to the base member and to the seat supporting member, for moving the seat supporting member in relation to the base member. The guide slot provided in the base member comprises a first portion which is proximal to the first point and which has a first general direction of extension. A second portion of the guide slot, which is distal to the first point, has a second general direction of extension, which second general direction of extension is different from the first general direction of extension.
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