| 摘要 |
The mobile platform (2) is mounted on a base plate with rollers which allow the platform to be pivoted about its centre. A supporting frame has uprights (4). A curved handrail (5) includes end grips (5a). An adjustable bar (23) is set at knee height.The height of the handrail can be adjusted by holes and a peg in the upright members (4a, 4b), and the platform has two wheels (3) which can be used to wheel it when tilted
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