Patent ID: 9351443
Filing Date: 2016-05-31
CPC Classification: A01D

Claim Text:
1. A method for automatically positioning a line of implements of an apparatus to follow a ground surface proximate the line of implements as the apparatus moves in a direction of travel across the ground surface, the line of implements being positioned transverse to the direction of travel, the apparatus comprising a forward frame portion and a rear frame portion, the method comprising: obtaining a first distance between a left reference point on the forward frame portion of the apparatus and the ground surface and relaying the first distance to a computer; obtaining a second distance between a right reference point on the forward frame portion of the apparatus and the ground surface and relaying the second distance to the computer; and using the computer to automatically actuate at least one of left and right devices on the rear frame portion to vertically move at least one of left and right sides of the apparatus, respectively, thereby reducing a difference between the first distance and the second distance, wherein each of the left and right devices is positioned on the rear frame portion of the apparatus.