Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Constantinos Mavroidis0
John M. Vranish0
Brian Weinberg0
Date of Patent
September 13, 2011
Patent Application Number
11821095
Date Filed
June 21, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A gear bearing drive provides a compact mechanism that operates as an actuator providing torque and as a joint providing support. The drive includes a gear arrangement integrating an external rotor DC motor within a sun gear. Locking surfaces maintain the components of the drive in alignment and provide support for axial loads and moments. The gear bearing drive has a variety of applications, including as a joint in robotic arms and prosthetic limbs.
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