Patent ID: 6019356
Filing Date: 2000-02-01
Classification: B60R,F16F

Abstract:
An impact absorber for decelerating a vehicle impacting on an obstacle, comprising:an outer tube;an inner tube arranged in the outer tube so that the inner tube and the outer tube are displaceable relative to one another, the inner tube having a base so as to be externally closed off and defining a highly pressurized gas space and a first fluid space, the outer tube defining a second fluid space;an intermediate wall fixed in the inner tube and having a restricting aperture that hydraulically connects the second fluid space to the first fluid space;a plastic disk arranged in an end region of the outer tube, the plastic disk being meltable at a predetermined temperature;sealing means for sealing the plastic disk from an inner wall of the outer tube; anda control pin fixed to the plastic disk so as to be arranged in the outer tube and interact with the restricting aperture.