| 摘要 |
Under a gantry (1) is moored a vehicle capture component (3) mounted toslide along the gantry uprights, the aforementioned vehicle capture component(3) being connected to a braking device, the vehicle capture component (3)being furthermore held in the up position by strippable holding means. Acontrol device (4) responds to an electrical signal in order to release thevehicle capture component (3) and to lower it to the down position by gravityso as to stop a vehicle whose arrival has been detected. |
