US PATENT SUBCLASS 172 / 308
.~ With push bar


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

297  DF  TOOL FORWARD OF REAR OF MOTOR VEHICLE {10}
308.~ With push bar


DEFINITION

Classification: 172/308

(under subclass 297) Apparatus comprising a generally longitudinally extending bar supporting an earth working element, means at the rearward portion of said bar connecting it to the self-propelled vehicle, an actuator for lifting the earth working element out of ground contact to transport position and means at the forward portion of said bar connecting it to the actuator.

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

SEE OR SEARCH THIS CLASS, SUBCLASS:

479, for tools lifted for transport on a wheeled frame by an actuator, the tool being pivoted to the frame on a transverse pivot axis and the actuating means being connected to the tool forward of the pivot axis.

788, for a scraper mounted between front and rear ground supports of a vehicle and connected to the vehicle by a push bar which is liftable by an actuator.

810+, particularly 828+, for a motor vehicle having a tool mounted ahead of it connected to the vehicle by a push bar which is liftable by an actuator.