| 摘要 |
An elevating member to be disposed upon the seat of a chair to elevate to a raised position the body of a person thereon, the elevating member comprising a pair of overlying plate members being hinged at one side thereof and having a seat supporting surface thereon, the same being hinged as at the front of a seat, said members lying over two sides of an expandable member, means retaining the side walls of said expandable member forming an airtight chamber, a low pressure air supply being connected with said chamber inflating the same and angling the upper of said plate members upwardly and forwardly elevating a person seated thereon to an erect position, this device being particularly adapted for use by persons having difficulty rising to a standing position.
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