Steering column assist system
US9664273B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2015 |
| Grant date | May 30, 2017 |
| Priority date | — |
| Expiry date | Mar 26, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2057/0224
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A power-assisted steering system includes an intermediate housing, a motor cone housing coupled to the intermediate housing, and a control shaft arranged along a control shaft axis for rotation about the control shaft axis. The system further includes an assist drive shaft arranged in a plane that is substantially transverse to the control shaft axis, the assist drive shaft being supported relative to the vehicle structure by a first bearing assembly and a second bearing assembly and defining a drive shaft axis, a worm disposed about the assist drive shaft, and a worm gear coupled to the control shaft. The worm gear and control shaft are configured for rotation about the control shaft axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.