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:
Sep. 09, 2003
Filed:
Oct. 10, 2001
Victor R. Strong, Tulsa, OK (US);
Dusan Jan Hvolka, Salt Lake City, UT (US);
Terex Corporation, Westport, CT (US);
Abstract
A two speed gear box includes a wheel hub that is rotatably supported by a spindle. The two speed gear box further includes an inboard planetary gear assembly and an outboard planetary gear assembly that cooperate to provide four modes of operation for the wheel hub with respect to a drive axle. The four modes of operation include a neutral mode, a braking mode, a high speed mode and a low speed mode. Selective engagement and disengagement of a clutch in the inboard planetary gear assembly, and selective engagement and disengagement of a clutch in the outboard planetary gear assembly provide for selection of one of the modes of operation.