Vehicle steering system
US7665572B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2007 |
| Grant date | Feb 23, 2010 |
| Priority date | — |
| Expiry date | Jul 2, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D5/008
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vehicle steering system is provided which includes a variable angle ratio mechanism for changing an angle ratio of a steering angle of a steering member to a turning angle of a steering mechanism, the variable angle ratio mechanism including a first sun gear connected to a steering column, a second sun gear connected to the steering mechanism, and planetary gears each having a first toothed portion and a second toothed portion which are adapted to mesh with the first and second sun gears respectively, and are arranged to be spaced apart from each other in a tooth face width direction, the first toothed portion and the second toothed portion being formed integrally through forging.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.