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. 20, 2023

Filed:

Aug. 28, 2020
Applicants:

Zoomlion Heavy Industry Na, Inc., Yorkville, WI (US);

Zoomlion Heavy Industry Science and Technology Co. Ltd., Changsha Hunan Province, CN;

Inventors:

Edgar Calago, Lake Villa, IL (US);

Matthew Schoenberg, Kenosha, WI (US);

Erik Goslawski, Burlington, WI (US);

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60B 35/10 (2006.01); B62D 7/14 (2006.01); B60K 1/02 (2006.01); B62D 7/18 (2006.01); B60K 7/00 (2006.01);
U.S. Cl.
CPC ...
B60B 35/1054 (2013.01); B60K 1/02 (2013.01); B60K 7/0015 (2013.01); B62D 7/142 (2013.01); B62D 7/18 (2013.01);
Abstract

An extendable axle with wheels on a common centerline preferably includes a base housing, a left axle device, a right axle device, a left extension cylinder and a right extension cylinder. The left axle device slides into a left side of the base housing and the right axle device slides into a right side of the base housing. The left axle device preferably includes a base tube, a steering knuckle, a drive motor and a steering cylinder. The steering knuckle is pivotally engaged with an end of the base tube. The drive motor is retained on the steering knuckle. The steering cylinder pivots the steering knuckle. The right axle device is the left axle device rotated 180 degrees. The left extension cylinder extends the left axle device. The right extension cylinder extends the right axle device. The left drive motor and the right drive motor are on the same centerline.


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