US PATENT SUBCLASS 171 / 137
WITH PROTECTIVE GUARD OR CASING


Current as of: June, 1999
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171 /   HD   UNEARTHING PLANTS OR BURIED OBJECTS

137WITH PROTECTIVE GUARD OR CASING


DEFINITION

Classification: 171/137

(under the class definition) Apparatus wherein a baffle or

hood means is so disposed relative to the unearthing apparatus, parts thereof or drive means therefor, that (1) such apparatus, parts, or drive means are shielded from foreign matter, dirt or recovered objects, or (2) an operator or attendant is protected from foreign matter, dirt or recovered objects which might otherwise strike or injure him.

SEE OR SEARCH THIS CLASS, SUBCLASS:

85, for a moving impeller member having a cooperating arcuate guide member, one of which members is a separating digger.

SEE OR SEARCH CLASS

172, Earth Working,

112+, for a driven earth working tool with a deflector or shield for thrown material, and subclasses 508+ for an earth working implement with a guard, shield or plant diverter.