Drive Device for Lifting a Vehicle Engine Hood Adapted to Protect Pedestrian

摘要

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,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, whereinsaid two connection points (6) and (7) are arranged at the pressure pipe (1) in line with the linear guideway (3) of the piston (2), anda 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).

主权项

1. 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) and (7) are arranged at the pressure pipe (1) 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).