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:
Mar. 02, 2021

Filed:

Feb. 19, 2019
Applicant:

Oshkosh Corporation, Oshkosh, WI (US);

Inventors:

JiHong Hao, Greencastle, PA (US);

Ignacy Puszkiewicz, Hagerstown, MD (US);

Assignee:

Oshkosh Corporation, Oshicosh, WI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66F 9/00 (2006.01); B66F 11/04 (2006.01); B66F 13/00 (2006.01); B66C 9/00 (2006.01); B66F 9/075 (2006.01); B60G 9/02 (2006.01); B60G 17/016 (2006.01); B60P 1/34 (2006.01); B66F 5/04 (2006.01); B66F 9/065 (2006.01); E01B 27/17 (2006.01); B60G 21/00 (2006.01); E02F 9/02 (2006.01); B66C 23/00 (2006.01); B60P 3/12 (2006.01); B66F 17/00 (2006.01);
U.S. Cl.
CPC ...
B66F 9/00 (2013.01); B60G 9/02 (2013.01); B60G 17/016 (2013.01); B60G 21/007 (2013.01); B60P 1/34 (2013.01); B66C 9/00 (2013.01); B66F 5/04 (2013.01); B66F 9/065 (2013.01); B66F 9/07586 (2013.01); B66F 11/04 (2013.01); B66F 11/044 (2013.01); B66F 13/00 (2013.01); E01B 27/17 (2013.01); E02F 9/02 (2013.01); B60G 2202/413 (2013.01); B60G 2300/022 (2013.01); B60G 2400/0511 (2013.01); B60G 2400/0512 (2013.01); B60G 2400/252 (2013.01); B60G 2400/60 (2013.01); B60G 2500/30 (2013.01); B60G 2800/012 (2013.01); B60G 2800/014 (2013.01); B60P 3/125 (2013.01); B66C 23/54 (2013.01); B66F 9/0655 (2013.01); B66F 17/006 (2013.01);
Abstract

A lift device includes a chassis having a first end and an opposing second end, a first actuator coupled to the first end of the chassis, a second actuator coupled to the first end of the chassis, a third actuator coupled to the opposing second end of the chassis, a fourth actuator coupled to the opposing second end of the chassis, and a control system. The control system is configured to fluidly couple at least two of the first actuator, the second actuator, the third actuator, and the fourth actuator, and fluidly decouple and actively control the at least two of the first actuator, the second actuator, the third actuator, and the fourth actuator.


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