| 摘要 |
Chair with automatic tilting according to the claim of the main patent, characterised in that the actions of the jack 11 on the backrest 10 and on the seat 18 are uncoupled so as to cause, simultaneously with their joint tilting, a raising of the front part 20 of the seat, this raising provoking at the same time a forward movement of the said seat, in order to prevent the person sitting in the chair from being inconvenienced by the upper part of the backrest when the chair tilts. <IMAGE>
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