US PATENT SUBCLASS 172 / 208
.~.~ Draft member latch control

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

204  DF  ALTERNATING FOR RIGHT OR LEFT HAND OPERATION (OTHER THAN SCRAPER) {10}
206  DF  .~ Interrelated tool shift and lateral movement of draft member {2}
208.~.~ Draft member latch control

DEFINITION

Classification: 172/208

(under subclass 206) Apparatus in which the adjustment of the earth working means is accompanied by the operation of means which lock the draft member against lateral displacement.