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:
Dec. 28, 2021
Filed:
Aug. 01, 2018
Applicant:
Joy Global Surface Mining Inc, Milwaukee, WI (US);
Inventors:
Joseph James Wirkus, West Bend, WI (US);
James Michael Hutsick, Mount Pleasant, WI (US);
Assignee:
Joy Global Surface Mining Inc, Milwaukee, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D 55/30 (2006.01);
U.S. Cl.
CPC ...
B62D 55/30 (2013.01);
Abstract
A tensioning system includes an idler wheel, a yoke coupled to the idler wheel, a set of crawler drive tracks that extends around at least a portion of the idler wheel, a mobile base supported by the crawler driver tracks that defines a frame, a pre-load actuating element attached to the mobile base, and a spring element pre-loaded by the pre-load actuating element.