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:
Sep. 24, 2019

Filed:

Mar. 10, 2016
Applicants:

Lucas Automotive Gmbh, Koblenz, DE;

Kelsey-hayes Company, Livonia, MI (US);

Inventors:

Michael Schaefer, Dohr, DE;

Christian Dilla, Bendorf, DE;

Manuel Barbosa, Novi, MI (US);

David Kwierant, Ann Arbor, MI (US);

Assignees:

Lucas Automotive GmbH, Koblenz, DE;

Kelsey-Hayes Company, Livonia, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 55/08 (2006.01); B60T 13/74 (2006.01); F16D 55/226 (2006.01); F16D 65/18 (2006.01); F16D 125/40 (2012.01); F16D 121/24 (2012.01);
U.S. Cl.
CPC ...
B60T 13/741 (2013.01); F16D 55/226 (2013.01); F16D 65/183 (2013.01); F16D 2121/24 (2013.01); F16D 2125/40 (2013.01); F16D 2250/0084 (2013.01);
Abstract

A spindle nut assembly for an electric parking brake has a spindle and a spindle nut. The spindle has a plurality of spindle stops and a plurality of external threads. The plurality of external threads has at least two threads. The spindle nut is operatively connected to the spindle, has a plurality of stop cams, and has a plurality of internal threads. At least one of the plurality of stop cams is engaged with at least one of the plurality of spindle stops when a first thread of the plurality of internal threads is started on any external thread of the plurality of external threads.


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