US PATENT SUBCLASS 172 / 505
.~ Tool connected to frame by bail


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

452  DF  WITH ACTUATOR ADAPTED TO LIFT TOOL FOR TRANSPORT ON WHEELED FRAME OR BROADLY CLAIMED IMPLEMENT {37}
505.~ Tool connected to frame by bail


DEFINITION

Classification: 172/505

(under subclass 452) Apparatus in which the earth working element is connected to the frame by a U-shaped member, the earth working element being carried in the bight of said member.

(1) Note. This subclass does not include those devices in which the bail member constitutes an axle for a wheel and the tool is rigidly connected to the bail since such devices are classified above in subclass 322.

SEE OR SEARCH THIS CLASS, SUBCLASS:

397, for apparatus having a tool and a ground support which are moved together relative to a frame and which include a tool carried in a bail formed by a wheel carrying crank axle.

480, for tools lifted for transport on wheeled frame said tools swing about a freely shiftable or delayed pivot in which the tool may be carried by a bail member.