(under subclass 6.2) Vehicles in which a separate motor is used to modify or vary the drive to the traction element or elements to effect steering by driving.
SEE OR SEARCH THIS CLASS, SUBCLASS:
6.28, for auxiliary electric motors in steering by driving systems combined with manual steering mechanisms.
6.3, for auxiliary fluid motors in steering by driving systems combined with manual steering mechanisms.
SEE OR SEARCH CLASS
74, Machine Element or Mechanism, 640+, for gearing in general with two power sources.
475, Planetary Gear Transmission Systems or Components,
1+, for planetary gearing having two power sources.
