Patent · US Active

Crash box containing a deformable element to extend the capacity of a crash box to absorb impact energy

US12097817B2 · kind B2 · utility

0Cited by

4References

20Claims

0Family size

Assignee

CONSTELLIUM SINGEN GmbH · DE

Inventors

Robert Elsaesser · Burgdorf, CH
Andre Mueller · Hilzingen, DE
Thomas Rebstock · Hilzingen, DE

Key dates

Filing date	Jun 30, 2020
Grant date	Sep 24, 2024
Priority date	—
Expiry date	Sep 9, 2040

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60R19/03
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A crash box (3) comprising a hollow profile (38) extending along a longitudinal direction (X) and having a crush length (LCB), said hollow profile (38) having at least two chambers (4) characterized in that it comprises at least a deformable element (7, 7′, 7″) contained into at least one chamber (4) contributing to the energy absorption capability of said crash box (3).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.