(under subclass 7) Apparatus in which the condition sensed is
an abnormal increase in the magnitude of the draft force, the sensing means initiating operation of the power means to cause raising of the earth working element to an inoperative position.
(1) Note. The earth working element may be returned to its previous working condition as part of the cycle of operation.
SEE OR SEARCH THIS CLASS, SUBCLASS:
261+, for overload responsive devices which are not automatic in their operation.
