Roller-mounted rack and pinion drive

US9051997B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9051997-B2
Application numberUS-201113882788-A
CountryUS
Kind codeB2
Filing dateNov 16, 2011
Priority dateNov 19, 2010
Publication dateJun 9, 2015
Grant dateJun 9, 2015

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

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.

First claim

Opening claim text (preview).

What is claimed is: 1. A rack and pinion drive for a motor vehicle, including: a steering housing having a steering pinion rotatably mounted and in engagement with a tooth segment of a toothed rack displaceably mounted in the steering housing in the direction of a longitudinal axis of the steering housing, wherein the tooth segment forms an even surface with an upper face thereof facing the steering pinion, wherein the toothed rack has two guide surfaces, which are even and ar…

Assignees

Inventors

Classifications

  • Cross-Sectional Technologies · mapped topic

  • Operations & Transport · mapped topic

  • Mechanical Engineering · mapped topic

  • B62D3/12Primary

    Operations & Transport · mapped topic

  • F16H19/04Primary

    Mechanical Engineering · mapped topic

Patent family

Related publications grouped by family.

External sources

Next steps

Free tools are coming soon. Tell us what you want to track and we'll notify you.

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US9051997B2 cover?
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 steeri…
Who is the assignee on this patent?
Rombold Manfred, Lubojatzky Thomas, Thyssenkrupp Presta Ag
What technology area does this patent fall under?
Primary CPC classification B62D3/12. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Jun 09 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).