| 摘要 |
<p>The present invention concerns a posture device for chairs, characterised in that it comprises an anchoring portion (30) to a chair (5) and a support portion for the head and/or the neck (33) of a person sat on the chair (5), the support portion for the head and/or neck (33) comprising a movement for adjusting its position with respect to the anchoring portion (30). The adjustment movement comprises at least one rotation movement and a sliding movement independent from one another and locked or allowed through a single locking and unlocking device (35, 135, 435). The invention is particularly suitable for use with fold-up chairs.</p> |
