| 摘要 |
A portable seat assembly for invalids, handicapped and elderly persons is designed to be placed and secured on a support surface of a chair structure, such as the passenger side seat of an automobile. The seat assembly has a seat plate with a cushion pad for receiving a user, a base plate for engaging the automobile seat, and a swivel plate intermediate the base plate and the seat plate. A support assembly is provided for supporting the seat plate on the swivel plate and the swivel plate on the base plate. The support assembly has a twist support component for providing at least limited rotational movement of the swivel plate relative to the base plate, and a slide support component for providing limited fore and aft sliding movement of the seat plate relative to the swivel plate either separately or concurrently with the rotational movement. A locking mechanism selectively locks the rotational and sliding movements in a plurality of positions.
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