Method of production rack guide base body in rack-and-pinion type steering device and rack guide
US7275456B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 14, 2003 |
| Grant date | Oct 2, 2007 |
| Priority date | — |
| Expiry date | Nov 14, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/1967
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A rack guide includes a rack guide base body which has on its outer peripheral surface a pair of semicylindrical surfaces and a pair of planar surfaces each located between the pair of semicylindrical surfaces, has a concavely recessed surface located on one axial end portion side inwardly of the pair of semicylindrical surfaces and the planar surfaces, and has a cylindrical surface located on the other axial end portion side inwardly of the pair of semicylindrical surfaces and the planar surfaces; and a slider secured to the rack guide base body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.