Impact attenuator for vehicle and method

Details Impact attenuator for vehicle and method Impact attenuator for vehicle and method

2005-03-04

2010-06-15

Schwartz, Christopher P (Department: 3657)

Brakes

Plastic deformation or breakage of retarder element

Crushable element

C188S372000, C293S107000, C293S110000

Reexamination Certificate

active

07735614

ABSTRACT:
An impact attenuator, which is arranged to be flexible longitudinally as well as sideways, has a rear part with two wheels, an attenuating part, a front part with two pivot wheels, and a coupling part for connection to a vehicle. The coupling part has a damper for dampening part of the force during a collision against the impact attenuator. During a minor collision against the impact attenuator the collision force is mainly absorbed by the damper. The damper regains after a collision its original position and the impact attenuator can remain operative. During a larger collision against the impact attenuator, the collision forces are also absorbed by the attenuating part.

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patent: 0 586 071 (1994-03-01), None
patent: WO 01/87671 (2001-11-01), None

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