US PATENT SUBCLASS 172 / 521
.~ With power take-off from tool or wheel

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

518  DF  ROLLING, ROTATING OR ORBITALLY MOVING TOOL {30}
521.~ With power take-off from tool or wheel

DEFINITION

Classification: 172/521

(under subclass 518) Apparatus comprising a means driven by the rotating earth working element or a ground-engaging wheel for adjusting a part of the apparatus.

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

SEE OR SEARCH THIS CLASS, SUBCLASS:

105, for a driven earth working element driven from a rolling or driven ground wheel.

SEE OR SEARCH CLASS

414, Material or Article Handling,

439+, for a ground wheel operated motion or draft responsive load handler.