Active Ball Joint Mechanism with Three-DoF Based on Spherical Gear Meshings (2021)

lloeki

Was wondering if it's ABENICS (2021), and it is.

Video: https://youtube.com/watch?v=hhDdfiRCQS4

mikewarot

Holy cow... Hobbing gears like these looks like a nightmare. There's going to have to be some backlash, or some precision grinding.

hartmel

Previous HN discussion: https://news.ycombinator.com/item?id=34160356

ur-whale

What I find truly amazing here: an IEEE article where you can just click on the PDF button and actually read the article without hitting you head into a paywall.

carabiner

It's 3 years later. Are these in use anywhere commercially?

tiahura

When can I get my hip and shoulder replacements?

smusamashah

Won't this have lots of wear and tear?

voxadam

(2021)