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.
Patent No.:
Date of Patent:
Nov. 24, 2020
Filed:
Mar. 28, 2019
Zoomlion Heavy Industry Na, Inc., Yorkville, WI (US);
Zoomlion Heavy Industry Science and Technology Co. Ltd., Changsha, CN;
Edgar N. Calago, Yorkville, WI (US);
Gregory M. Downs, Yorkville, WI (US);
Alan D. Nickel, Yorkville, WI (US);
ZOOMLION HEAVY INDSUTRY NA, INC., Yorkville, WI (US);
ZOOMLION HEAVY INDUSTRY SCIENCE & TECHNOLOGY CO, LTD., Changsha, unknown;
Abstract
An independent front axle suspension preferably includes a front drive axle, an upper suspension frame, a lower suspension frame, a pair of hydraulic cylinders and a pair of pivot plates. A front pivot plate is attached to a front and middle of the front drive axle and a rear pivot plate is attached to a rear and middle of the front drive axle. A rear of the upper suspension frame is pivotally engaged with a rear of the lower suspension frame. A front and rear of the front drive axle is pivotally retained in the lower suspension frame with the pair of pivot plates. One end of the pair of hydraulic cylinders are preferably spherically retained on opposing sides of the upper suspension frame. An opposing end of the pair of hydraulic cylinders are preferably spherically retained on opposing ends of the front drive axle.