For any favourable drive additional, movement on the equipment lever enables the coupling to override many springs, loaded balls plus the coupling connects Using the dogs around the trip in the pinion.  The Automated Guide gearbox (AMT) can be an automatic gearbox that employs an actuator and an onboard computer https://gearbox-auto93581.jts-blog.com/32789925/gearbox-auto-things-to-know-before-you-buy