| 摘要 |
A seat assembly includes a chair frame with spaced supports for holding a diaphragm to the frame, where the diaphragm has one edge connected to one of the spaced supports of the chair frame, and an opposite edge of the diaphragm adjacent to another of the spaced supports of the chair frame. The seat assembly also includes an over center linkage for releasably coupling the opposite edge of the diaphragm to the another of the spaced supports of the chair frame for stretching the diaphragm between the spaced supports of the chair frame.
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