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:
Jun. 05, 2018

Filed:

May. 06, 2015
Applicant:

Johnson Electric S.a., Murten, CH;

Inventors:

Rui Feng Qin, Hong Kong, CN;

Yi Jing, Shenzhen, CN;

Hai Feng Shi, Shenzhen, CN;

Assignee:

Johnson Electric S.A., Murten, CH;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01R 39/38 (2006.01); H02K 13/00 (2006.01); H01R 39/40 (2006.01);
U.S. Cl.
CPC ...
H01R 39/40 (2013.01); H01R 39/385 (2013.01); H02K 13/00 (2013.01);
Abstract

An electric power steering assembly includes a motor which includes a brush assembly. The brush assembly includes a brush base, a plurality of brush units and a plurality of fixing units for fixing the brush units to the brush base. The brush unit includes a brush, a guide rail and a spring. The rail includes two guiding arms, a closed end interconnecting the guiding arms and wings extending from free ends of the guiding arms. Grooves in the brush receive the guiding arms. The fixing unit includes a first fixture and a second fixture. The closed end of the guide rail engages the first fixture. The second fixture includes two columns spaced from each other. Each column defines a slot in a top end. Protrusions extend from a side of each slot to lock the wings in the slots.


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