US PATENT SUBCLASS 172 / 132
.~ Marker swingable about longitudinal axis to both sides


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

126  DF  WITH EARTH MARKER {5}
132.~ Marker swingable about longitudinal axis to both sides


DEFINITION

Classification: 172/132

(under subclass 126) Apparatus having marker means mounted to pivot through approximately 180 deg. about an axis which

extends in the direction of travel of the implement and centrally thereof so as to be alternately usable on opposite sides of the implements.

SEE OR SEARCH THIS CLASS, SUBCLASS:

224+, for implements alternating for right or left hand operation which are rotated about a longitudinal axis from one operative position to the other.

SEE OR SEARCH CLASS

104, Railways,

244.1, for furrow followers for a vehicle to guide it along a furrow, such followers being mounted in a manner similar to that of a marker mounting.