Patent · US Expired

Energy absorbing bumper

US6007123A · kind A · utility

25Cited by
18References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 23, 1997
Grant dateDec 28, 1999
Priority date
Expiry dateJul 23, 2017

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60R2019/186
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

An energy absorbing bumper that dissipates kinetic energy of a moving mass via conversion to compressive membrane energy stored in a primary beam-column, potential energy stored in two laterally mounted energy absorbers and bending energy stored in a secondary beam-column. During impact the primary beam-column is laterally compressed as it flattens developing a large amount of compressive membrane energy. During deformation, the primary beam-column slides into the secondary beam-column having a central channel that accommodates the primary beam-column.

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