| 摘要 |
<p>The invention relates to a safety device (26), especially for the protection of persons, in a system for operating and locking in the closed position a door, the leaf (3) of which is of the so-called concertina type. It is characterised in that it comprises: - located level with the cavity for receiving the leaf (3) in the folded position, a first means (27) for detecting any action external to the system, which is oriented towards any one of the surfaces delimiting the cavity (10), - located level with the means (23) for the control of rotation, which equips at least one (23) of the panels, a second means (30) for detecting any action which, external to the system, is exerted on a panel (4) equipped with the abovementioned means (23) for the control of rotation. <IMAGE></p> |
