Patent ID: 7913795
Filing Date: 2011-03-29
Classification: B60R

Abstract:
1. A safety device for raising a bonnet of a motor vehicle in the event of a collision with a pedestrian, comprising: a pyrotechnic actuator possessing a hollow body containing a thrust piston secured to a mechanism for raising the bonnet and able to deploy said mechanism which is itself secured to said bonnet, a blocking device that blocks said actuator in a given position, and a shock-absorbing device employed when a pedestrian hits the bonnet which has been raised, so that the assembly consisting of the bonnet, the raising mechanism and the piston can move under the effect of the impact while at the same time being retarded, wherein said shock-absorbing device is secured to a support piece secured to the vehicle and in that the actuator is in contact with said support piece via a protrusion secured to said actuator, said protrusion being able to pivot in said piece.