| 摘要 |
<p>The present invention relates to a device for verification of the position of locking or unlocking of a lock making it possible to immobilize in a frame a lid closing this frame. The device is characterized by the fact that it has arm (10) kinematically connected to bolt (7) of lock (3) so as to move between two extreme positions corresponding respectively to the positions of locking and unlocking of bolt (7) and some means (11, 12) for detection of each of the extreme positions of arm (10) making it possible to provide an information signal depending on whether bolt (7) of lock (3) occupies its position of locking or unlocking of lid (1). The invention can be applied in the domain of roadway equipment.</p> |
