Slip Ring (anel coletor)

This is a slip ring. It makes possible to transmit electrical power through a rotating element.
This model requires the use of two bearings, each for a signal ( + and gnd).
The input wires must be soldered to que outer ring of the bearing, that will be stationary, the output signal will be spinning and the wires must be soldered to the inner ring of the bearing.

The Inventor files are also available.