Bearing to shaft locking devices, namely, automatic manual input locking devices for gearboxes to prevent backwinding of gear trains being parts of machines and not for land vehicles; bearing and shaft locking devices for gearboxes, namely, automatic manual input locking devices to prevent backwinding of gear trains being parts of machines and not for land vehicles; gears and gear boxes for machines and not for land vehicles; bearing and shaft locking devices and gearboxes for use in actuator...