.~ With power take-off from tool drive to adjust tool
DEFINITION
Classification: 172/74
(under subclass 35) Apparatus in which the means for transmitting power from a power source to the driven earth working element is provided with a power take-off for adjusting the position of the earth working element relative to the earth.
(1) Note. For the meaning of "adjustable" see the class definition.
SEE OR SEARCH THIS CLASS, SUBCLASS:
315+, 317+, 321, 322+, 324+, 395+, 439+, and especially 452+, for power driven means to shift an implement which is otherwise undriven in order to lift it or move it for adjustment purposes.