Protecting device for pedestrian in a frontal collision with a vehicle by setting up the front blocking part of the hub.

A claw (1) with a catch member (2) attached to the vehicle bodywork engages a U-shaped rod loop (5) attached to the engine cover. The crash protective system (3) has a housing (4) containing an actuator (13) with a rod (13a) connected to a holder- release mechanism (16) with levers (16a,16b). They engage with a pin (14a) on a lifting mechanism (14) with a spring (15).