Crash box and manufacturing method of the same
US10661741B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 9, 2016 |
| Grant date | May 26, 2020 |
| Priority date | — |
| Expiry date | Dec 9, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F7/12
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
There is provided a crash box comprising a pedestal portion attached to one of two members that are placed in an inward-outward direction of a vehicle; and a bottomed tubular portion integrally molded with the pedestal portion and configured to include a base end portion that is arranged to rise from the pedestal portion and an extended portion that is extended from the base end portion and that has a leading end wall which forms a bottom of the tubular portion and which is attached to the other of the two members, wherein the tubular portion is configured such that a side wall of the extended portion has a smaller thickness than a thickness of a side wall of the base end portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.