| 摘要 |
The invention relates to an aid folding chair for old persons or invalids having an amputated leg or for those persons suffering from knee rheuma who have difficulties in sitting down or standing up when using a toilet According to the invention, the folding chair comprises a lower frame (1), an upper frame (2) and a rest frame (3) provided with a belt (4) which is joined with the upper scabbard (7) and the lower scabbard (5) and streches the four coiled springs (6) while the invalid person is sitting down, taking over some of his weight
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