| 摘要 |
Chair with automatic tilting of the type comprising a fixed base and a seat plate which can be tilted under the action of a jack, characterised in that the said base and the said plate are articulated to one another along a shaft constituting the common front side to two concentric frames, the first frame being integral with the base and the second frame being integral with the seat, the tilting of the seat resulting from the rotation around this shaft under the action of the said jack, by means of a rod perpendicular to the said shaft. <IMAGE>
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