(under the class definition) Apparatus comprising a ground wheel having an axis of rotation, a member extending radially from the axis of rotation and pivotally connected thereto, an earth working element connected to said member, and an actuator for pivotally moving said member and earth working element about the axis of rotation without changing the position of the earth working element with respect to the member.
(1) Note. See the class definition for the meaning of "actuator".
(2) Note. The movement of an earth working element about the axis of a ground wheel which may take place when a wheel of a stable wheeled frame is adjusted vertically with respect to the frame and another wheel is not included under this definition. See subclasses 395+ for such devices.
SEE OR SEARCH THIS CLASS, SUBCLASS:
329+, for apparatus comprising an earth working element rockable about a wheel axis by a handle held in position by an attendant.