| 摘要 |
A chair comprising at least one actuator for adjusting the configuration of the chair to tilt the chair forwards, means (10) for sensing whether a person is seated in the chair for operating the or each actuator to return the chair from a tilted position to an upright position, when a person is no longer seated in the chair. It will be appreciated that such an arrangement minimises the length of time during which a person must remain unseated as well as limiting the risk of entrapment.
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