An Elbow Joint That Can
Paul Gould’s prosthetic elbow joint design is a compact and impressive piece of engineering, whether intended for use in a real prosthetic or as part of a robotics project. The heart of the design is a cycloidal gearbox, driven by a brushless motor, which gives it its small size while still providing substantial power. The gearbox’s three small shafts are driven by a toothed belt, allowing for efficient and precise movement.
In a YouTube short, Paul demonstrates the internals of the joint and its ability to perform small weight lifting tasks, showcasing its pulling power. The design is available for download on Thingiverse, making it accessible for anyone interested in exploring its potential applications in other projects. It’s an innovative and compact solution that could find use in various applications beyond just prosthetics or robotics.
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