The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 04, 2020

Filed:

Mar. 21, 2016
Applicant:

Trw Limited, Solihull, West Midlands, GB;

Inventor:

Michael Appleyard, Cheltenham, GB;

Assignee:

TRW Limited, Solihull, West Midlands, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 35/06 (2006.01); B62D 5/04 (2006.01); F16H 1/16 (2006.01); F16H 57/021 (2012.01); F16H 57/028 (2012.01); F16H 57/039 (2012.01); F16H 57/12 (2006.01);
U.S. Cl.
CPC ...
F16H 35/06 (2013.01); B62D 5/0403 (2013.01); B62D 5/0409 (2013.01); F16H 1/16 (2013.01); F16H 57/021 (2013.01); F16H 57/028 (2013.01); F16H 57/039 (2013.01); F16H 57/12 (2013.01); F16H 2057/0213 (2013.01); F16H 2057/127 (2013.01);
Abstract

A gearbox assembly for an electric power assisted steering apparatus comprising: a first pivoting means for the worm shaft main bearing which reacts the axial component of the worm shaft tooth load for a first direction of gearwheel torque but not for a second, opposing, direction of gearwheel torque and defines at least one first pivot point about which the main bearing pivots that is located on a pivot axis, a second pivoting means for the worm shaft main bearing, positioned distal from the first pivoting means, which reacts the axial component of the worm shaft tooth load for the second direction of gearwheel torque but not the first direction of gearwheel torque and defines at least one second pivot point about which the main bearing pivots that is located on a second pivot axis, the second pivot point being spaced apart from the first pivot point.


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