| 摘要 |
<p>Passage (1) with controlled access authorisation equipped with a device for closing by means of a leaf (2) of vertical axis gamma , the said passage comprising at least one said leaf (2) of which the end located on the said vertical axis gamma side comprises means (6 to 9) for guiding the said axis gamma in a rectilinear fashion along a line DELTA parallel to the direction of the said passage, the said leaf being furthermore equipped with an articulated link (4), on the one hand, about a vertical axis gamma 1 located along the said leaf (2), and, on the other hand, about a vertical axis gamma 2 located near the said line DELTA , drive means (10 to 13, 22 to 24), for opening and closing the said passage, sliding the said vertical axis gamma along the said line DELTA , the said vertical axis gamma 2 being located at a distance l from the said line DELTA , the length of the said leaf (2) between the vertical axis gamma and the vertical axis gamma 1 being equal to L, characterised in that the length L1 of the said link (4) between the axes gamma 1 and gamma 2 is equal to L-l, in that the vertical axis gamma 2 is connected to an articulation support carriage (15) of the said link (4), and in that drive means (16 to 18) enable the said carriage (15) to move along a direction parallel to the said line DELTA , means (19, 21) for locking the said carriage being provided at two separate points on the path of the carriage (15). <IMAGE></p> |
