| 摘要 |
<p>The invention relates to a drive device for lifting a vehicle engine hood to protect pedestrians, said drive device comprising•- a pressure pipe (1) in which a piston (2) which can be driven by a drive gas can be moved along a linear guideway (3),•- a piston rod (4) connected to said piston (2), said piston rod (4) having a connection point (6) to be connected force-lockingly to a lifting gear for the engine hood at a rod portion(5) projecting beyond a first guideway end (11) of the pressure pipe (1),•- a second connection point (7) disposed at the second guideway end (12) located opposite the first guideway end (11), for force- locking support of the pressure pipe on the vehicle body, wherein•- said two connection points (6,7) are arranged at the pressure pipe in line with the linear guideway (3) of the piston (2), and•- a gas source (8) supplying the drive gas, said gas source (8) being disposed in a pressure pipe portion (9) which is at an angle to the linear guideway (3).</p> |
