.~ Implement with ground support for depth control {3}
79
.~.~ Tool driven from prime mover on vehicle
DEFINITION
Classification: 172/79
(under subclass 76) Apparatus in which the earth working element of the driven implement is drivingly connected by a transmission means to a power source on the vehicle.
(1) Note. The power source of this definition may be a self-contained prime mover for propelling the vehicle or an auxiliary self-contained power means; for example, an auxiliary gasoline or Diesel engine, an electric motor, etc. The power source does not include a mere power take-off from a driven or rolling ground wheel of the propelling vehicle. For such devices see subclasses 76 and 105+.
SEE OR SEARCH THIS CLASS, SUBCLASS:
125, for drive details in the transmission means from a power source on a vehicle to a driven earth working element carried thereby.
SEE OR SEARCH CLASS
171, Unearthing Plants or Buried Objects,
45, for a tractor powered trailing unearthing unit.
