Constant deceleration bumper

Details Constant deceleration bumper Constant deceleration bumper

2007-11-28

2009-02-03

Dayoan, Glenn (Department: 3612)

Vehicle fenders

Buffer or bumper type

Bumper having impact force absorbing means directly...

C293S132000, C293S155000, C296S187090

Reexamination Certificate

active

07484781

ABSTRACT:
A bumper to absorb energy of motion during a motor vehicle collision, comprising a bumper beam and an energy absorber with a plunger having symmetric protuberances, so that the cross section of protuberances changes along their lengths, an outer tube, and a cutter that cuts off protuberances throughout movement of a collision, where cutting force is controlled by the cross-sectional area of protuberances and provides constant deceleration with minimum force applied to a passenger cabin.

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patent: 7357445 (2008-04-01), Gross et al.

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