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:
Jul. 16, 2013
Filed:
Aug. 02, 2010
John A. Bushey, Eden Prairie, MN (US);
Martin M. Gram, Minneapolis, MN (US);
Jay S. Warner, Annandale, MN (US);
Zdenek Mestenhauser, Minneapolis, MN (US);
Robert J. Orange, Minneapolis, MN (US);
John A. Bushey, Eden Prairie, MN (US);
Martin M. Gram, Minneapolis, MN (US);
Jay S. Warner, Annandale, MN (US);
Zdenek Mestenhauser, Minneapolis, MN (US);
Robert J. Orange, Minneapolis, MN (US);
MTS Systems Corporation, Eden Prairie, MN (US);
Abstract
A torque transfer coupling includes a shaft and a first second set of hydraulic devices. Each hydraulic device of the first set of hydraulic devices has a first end operably connected to a first end of the shaft, wherein the hydraulic devices of the first set of hydraulic devices are disposed about an axis of the shaft. Each hydraulic device of the second set of hydraulic devices has a first end operably connected to a second end of the shaft, and wherein the hydraulic devices of the second set of hydraulic devices are disposed about the axis of the shaft. Each hydraulic device can include a piston and cylinder assembly wherein extension and retraction of each piston of each hydraulic device is generally tangential to a portion of a circle encircling the shaft.