Several mechanisms with Oblique swivel joints are built and operated with LEGO bricks.
Chapter:
0:00 Making swivel joint modules
2:11 Making and Operating the Three-bearing swivel module (3BSM)
4:19 Making and Operating the 4-DOF oblique swivel joint Robot
6:40 Ending
My website:
https://akiyuki.jp/
References:
[1] Takwoonken YU: Lego Technic big turntable (2016)
https://www.youtube.com/watch?v=Mxr7y9cWg4A
[2] Wikipedia: Rolls-Royce LiftSystem
https://en.wikipedia.org/wiki/Rolls-Royce_LiftSystem
[3] S. Hirose, S. Oda, and Y. Umetani：Active Cord Mechanism with Oblique Swivel Joints and Its Control
Transactions of the SICE, Vol. 17, No. 6, pp. 686-692, 1981 (in Japanese).
https://www.jstage.jst.go.jp/article/sicetr1965/17/6/17_6_686/_pdf
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