Roller-mounted rack and pinion drive
US9051997B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2011 |
| Grant date | Jun 9, 2015 |
| Priority date | — |
| Expiry date | Feb 18, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/18096
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Rack and pinion drive for a motor vehicle, with a steering housing (1), in which a steering pinion (2) is rotatably mounted and is in engagement with a tooth segment (3) of a toothed rack (4) displaceably mounted in the steering housing (1) in the direction of a longitudinal axis (5), wherein the tooth segment (3) forms an even surface with the upper face thereof facing the steering pinion (2), wherein the toothed rack (4) has two guide surfaces (9), which are even and are oriented at an acute angle to a surface normal of the tooth segment (3), and wherein at least one guide roller (11) is provided on either side of the toothed rack (4), said rollers being in contact with the guide surfaces (9), wherein the two guide rollers (11) are provided respectively on a left and a right side of the pinion when viewed from a toothing engagement point with the toothed rack.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.