VEHICLE ACTIVE SHOCK-ABSORPTION BUMPER Russian patent published in 2009 - IPC B60R19/36 

FIELD: transport.

SUBSTANCE: bumper comprises buffer beam coupled with body via intermediate elements representing helical springs and projecting spring representing thin-wall plate made from spring steel and making part of hollow cylinder that features two stable operating states. The said states feature inverted convex camber and on-off transition from one state into another. The aforesaid projecting spring is provided with inertia mass and is fitted on the body with the help of elliptical cuts made on the spring ends set unfixed on the rods attached to the body and furnished with spring axial shift restrainers.

EFFECT: higher efficiency of protection in collision with obstacle.

3 dwg