The rotor must be driven through a set of universal joints or other mechanisms to allow for the movement.
It consists of three arms connected to universal joints at the base.
Obviously, you should avoid being drawn into a long philosophical discussion about universal joints.
The floors are all suspended upon universal joints in order to maintain a normal level.
In turn, the frames were attached to the firewall by universal joints.
It consisted of a single center section and two outer sections installed using four universal joints.
Gear couplings and universal joints are used in similar applications.
An advantage to this type of coupling, as compared to two universal joints, is its compact size.
If the second universal joint is rotated 90 degrees with respect to the first, then .
Model year 2010 and later Rams use larger universal joints than the 2003-2009 models.