Rack assist type electric power steering apparatus
US10046794B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2016 |
| Grant date | Aug 14, 2018 |
| Priority date | — |
| Expiry date | Oct 12, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2025/2096
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present invention provides a rack assist type electric power steering apparatus that may include: a ball nut configured to be coupled to the outer circumferential side of a rack bar through balls that are coupled to a screw thread formed on the inner circumferential surface; a nut pulley configured to be coupled to the outer circumferential surface of the central portion of the ball nut in the axial direction; and a rotational support member configured to be coupled between the outer circumferential surface of the ball nut and the rack housing while supporting both side ends of the nut pulley.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.