That tool didn’t exist so he built it. The PantoProbe is a pantograph mechanism meant to guide a probe for reaching the tiny pads of his SMT components. He reports that he has no longer has any ...

and pantographs. In biology we can also find examples of this linkage, as in the human knee joint, where the mechanism allows rotation and keeps the two legs bones attached to each other.

The pantograph runs by rubbing against the wire ... This starts a speed in the rack, pinion mechanism, and chain drive. When this speed passes through the flywheel, rectifier and DC motor ...