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Dual-Roll Robotic Wrist-Joint AssemblyCompact robotic wrist-joint assembly includes two motor subassemblies providing two concentric output rotations about axis of wrist: outer output flange on front face of assembly rotated to, and held at, any predetermined roll angle within range of plus or minus 180 degrees, and inner output flange concentric with outer output flange capable of unlimited rotation relative to outer flange. Each motor subassembly includes concentric rotor and stator and harmonic drive.
Document ID
19920000480
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Vranish, John M. (NASA Goddard Space Flight Center, Greenbelt, MD.)
Richards, Paul W. (NASA Goddard Space Flight Center, Greenbelt, MD.)
Spidaliere, Peter D. (NASA Goddard Space Flight Center, Greenbelt, MD.)
Date Acquired
August 15, 2013
Publication Date
August 1, 1992
Publication Information
Publication: NASA Tech Briefs
Volume: 16
Issue: 8
ISSN: 0145-319X
Subject Category
Machinery
Report/Patent Number
GSC-13307
ISSN: 0145-319X
Report Number: GSC-13307
Accession Number
92B10480
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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