US PATENT SUBCLASS 172 / 244
.~ Tool and ground support moved together relative to frame


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

240  DF  WITH GROUND SUPPORT ENGAGEABLE WITH GROUND FOR TRANSPORT ONLY {4}
244.~ Tool and ground support moved together relative to frame


DEFINITION

Classification: 172/244

(under subclass 240) Apparatus in which there is a framework supporting an earth working element and the ground wheel or wheel substitute and the ground wheel or wheel substitute is so connected to the earth working element that movement of one relative to the frame is accompanied by movement of the other relative to the frame.

SEE OR SEARCH THIS CLASS, SUBCLASS:

397+, for apparatus having a vertically adjustable ground support which is movable together with a tool relative to a supporting frame.