Gang plow

Abstract

A plurality of plow units are mounted to a main frame of a plow system for rotation about their vertical axes. The plow units are spaced at equal lateral increments and at uniformly increased distances from a pivot connection between the main frame and a traction vehicle. The plow units are ganged together by means of a guide beam; and a power actuator controls the motion of the guide beam in rotating the plow units so that their cut lines take a predetermined position relative to the main frame. As the plow system is then used to plow ground, the main frame swings about its pivot connection to the tractor until the plow units line up with the direction of travel of the tractor, thereby adjusting the spacing between plow units automatically. The rear plow unit is mounted to a tail section which is pivotally mounted to the main frame and includes a rear wheel for supporting the distal end of the main frame and for steering the system as the tractor turns. A second power actuator is adapted to lift the main frame relative to the rear wheel for adjusting plow depth or pulling the system over ground without plowing it.

Dependencies are inferred from the claim text.