.~ Tool assumes different position for opposite draft
DEFINITION
Classification: 172/712
(under subclass 681) Apparatus in which the earth working element pivots to a different working position relative to the ground when the element is moved in opposite directions.
SEE OR SEARCH THIS CLASS, SUBCLASS:
26.6, for a dragline scraper which has a part which is rearranged on reverse movement.
618, for plural relatively movable implements which assume different working positions when moved in opposite directions.
777+, for a tool suspending from a scraper, the tool assuming a different position for opposite draft.