Crush box and vehicle bumper apparatus including the same
US8757687B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 14, 2012 |
| Grant date | Jun 24, 2014 |
| Priority date | — |
| Expiry date | Sep 14, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R19/34
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A crush box arranged between a side member of a vehicle body and a bumper reinforcement member, the crush box including: a main body portion arranged in a longitudinal direction of a vehicle and formed in a tubular shape, the main body portion having first and second portions; a vehicle body attaching portion arranged at a first end of the main body portion; and a bumper attaching portion arranged at a second end of the main body portion, wherein vertical cross-sections of both the first portion adjacent to the vehicle body attaching portion and the second portion adjacent to the bumper attaching portion are polygonal shapes, and the number of vertices of the polygonal shape of the vertical cross-section of the second portion is greater than the number of vertices of the polygonal shape of the vertical cross-section of the first portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.