Kinetic energy absorbing device for motor vehicle, has shafts moved into retracted position, in which bumper assembly is retracted into vehicle body, from deployed position, in which assembly is disposed in energy absorption position

摘要

The device has a bonnet`s rear part displacement unit (10) including an assembly constituted of fixed and movable hinges (11, 12) integrated to a case and a bonnet (1) of a motor vehicle, respectively and an intermediate movable hinge (13). Articulation axles are articulated on the hinges (11, 12), respectively at its ends. A locking and unlocking unit (20) locks and unlocks the rotation of the axle (14) between the hinges (12, 13), in closed and raised positions of the bonnet, respectively. A compression spring (18) transmits a driving force on the hinge (12) in an axle`s unlocking position.