| 摘要 |
<p>A driving device for a couple of doors (4,5) of an entrance and exit robbery-proof box (1) of a protected environment, each door (4, 5) being hingedly connected to the box so that it can move between a shutting position and an opening position. The device comprises motorised cam means (13) pivotally connected to the box, radially slidable engagement arms (18, 19), and stop means (23, 24) for doors (4, 5) in their respective shutting position, a first end of each arm (18, 19) being elastically in contact to a shaped profile of cam means (13) thereby the latter control the sliding of the arms, a second end of each arm being engageable with a respective locking seat (26) integral to box (1) when the correspondent door (4, 5) is in its shutting position. <IMAGE></p> |
