(under subclass 405.1) Devices in which the load distribution adjustment is accomplished by adjusting the point of application of draft to the leading or propelling vehicle.
(1) Note. The leading or propelling vehicle includes any part of the draft mechanism which is rigid therewith when in running relationship with other vehicle.
SEE OR SEARCH THIS CLASS, SUBCLASS:
446.1, for devices wherein the virtual hitch point is shifted in response to turning movement of the leading vehicle.
SEE OR SEARCH CLASS
172, Earth Working,
315+, 318+, 321, 326+, 439+, and 452+ for earth working implements connected to a tractor by vertically shiftable means which act to change the load distribution between the tractor and implement.