US Patent 7874561 Height adjustment device for motor vehicles

Patent 7874561 was granted and assigned to Audi on January, 2011 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Audi

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

78745610

Patent Inventor Names

Wilfried Michel0

Date of Patent

January 25, 2011

Patent Application Number

120484220

Date Filed

March 14, 2008

Patent Primary Examiner

Paul N Dickson

Patent abstract

The invention relates to a height adjustment device for motor vehicles that is arranged between a height-adjustable spring plate of a support spring of a wheel suspension assembly and the vehicle body and in which a drive motor cooperates via a shifted gear with a control sleeve that is mounted in a rotational fashion to adjust the height of the spring plate. According to the invention, the shifted gear connected between the drive motor and the control sleeve is arranged inside the control sleeve.

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