Torsion bar for a steering system assembly
US11292514B2 · kind B2 · utility
1Cited by
16References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2020 |
| Grant date | Apr 5, 2022 |
| Priority date | — |
| Expiry date | Jul 13, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D5/005
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A method of manufacturing a torsion bar for a steering system is provided. The method includes supporting a torsion bar blank on a cold forming machine with a plurality of dies at a first end region of the torsion bar blank and a second end region of the torsion bar blank. The method also includes rolling the torsion bar blank to form an end region having a cylindrical outer surface extending from an axial end surface and a serrated portion disposed proximate the end region and axially offset from the axial end surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.