US PATENT SUBCLASS 172 / 482
.~ Tool swings about rock shaft axis

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}
482.~ Tool swings about rock shaft axis

DEFINITION

Classification: 172/482

(under subclass 452) Apparatus comprising a shaft mounted on the wheeled frame for rotation about its axis, an earth working element rigidly connected to said shaft to rotate therewith about the shaft axis, said shaft being rotated by the actuator to thereby lift the earth working element for transport.

SEE OR SEARCH THIS CLASS, SUBCLASS:

322+, for tools rocked about a wheel axis by an actuator.