US PATENT SUBCLASS 172 / 304
.~ Tools independently actuatable


Current as of: June, 1999
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172 /   HD   EARTH WORKING

297  DF  TOOL FORWARD OF REAR OF MOTOR VEHICLE {10}
304.~ Tools independently actuatable


DEFINITION

Classification: 172/304

(under subclass 297) Apparatus comprising a plurality of earth working elements and a plurality of actuators which are independently operable to independently move different earth working elements out of ground contact to transport position.

(1) Note. For the meaning of "actuators" see the class definition.

SEE OR SEARCH THIS CLASS, SUBCLASS:

230+, for parallel separate tools alternating for right and left hand operation having independently operable means for alternating the operating position of the tools, as by raising and lowering the latter.

301+, for tools mounted ahead of the rear and to the rear of a motor vehicle and having independent power units for raising the tools.

468, for a plurality of tools with separate actuators to independently lift the tools for transport on a wheeled frame.

784+, for a scraper mounted between front and rear ground supports of a vehicle and a diverse tool with independently operable actuators for the scraper and tool. 786+, for a scraper mounted between front and rear ground supports of a vehicle and another scraper with independently operable actuators for the scrapers.