US PATENT SUBCLASS 172 / 785
.~.~ Non-scraping tool precedes and spaced from scraper

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

781  DF  SCRAPER BETWEEN FRONT AND REAR GROUND SUPPORTS OF VEHICLE {12}
784  DF  .~ With diverse tool or portion {1}
785.~.~ Non-scraping tool precedes and spaced from scraper

DEFINITION

Classification: 172/785

(under subclass 784) Apparatus in which the diverse earth working element is an element other than a scraper and is positioned in front of and spaced from the scraper when they are both in working position, the scraper and the diverse element working the earth in the same or overlapping paths.

(1) Note. An apparatus with a diverse earth working element which is connected to the earth-contacting portion of the scraper so as to be closely associated therewith does not come within this definition even if it precedes and is slightly spaced from the scraper, and is classified in the generic subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

777, for a scraper supporting a readily removable narrow depending tool which may precede the scraper.