US 11,926,988 B2
Work machine with automatic pitch control of implement
Giovanni A. Wuisan, Epworth, IA (US); Jeffrey M. Stenoish, Asbury, IA (US); Patrick J. Mulligan, Dubuque, IA (US); Michael R. Tigges, Dubuque, IA (US); Ryan R. Neilson, Dubuque, IA (US); Nathan J. Horstman, Durango, IA (US); Cory J. Brant, Hazel Green, WI (US); and Timothy M. Post, Potosi, WI (US)
Assigned to DEERE & COMPANY, Moline, IL (US)
Filed by DEERE & COMPANY, Moline, IL (US)
Filed on Sep. 22, 2020, as Appl. No. 17/028,107.
Prior Publication US 2022/0090349 A1, Mar. 24, 2022
Int. Cl. E02F 3/76 (2006.01); E02F 3/815 (2006.01); E02F 3/84 (2006.01)
CPC E02F 3/7618 (2013.01) [E02F 3/8152 (2013.01); E02F 3/845 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method of positioning a blade with respect to a work vehicle having an operator control to position the blade, the blade including a central portion and an adjustable wing, the method comprising:
receiving a blade positioning signal from an operator control;
identifying a wing position of the wing when inclined with respect to the central portion of the blade based on the blade positioning signal received from the operator control;
identifying a commanded blade position based on the blade positioning signal received from the operator control; and
automatically adjusting a pitch of the blade based on the wing position when inclined and the commanded blade position, wherein the automatically adjusting the pitch of the blade aligns a cutting edge of the wing and a cutting edge of the central portion of the blade substantially along a plane.