US 11,673,619 B2
Articulated work vehicle with steering selection
Scott A. Hudson, Cedar Falls, IA (US)
Assigned to DEERE & COMPANY, Moline, IL (US)
Filed by DEERE & COMPANY, Moline, IL (US)
Filed on Sep. 4, 2019, as Appl. No. 16/560,452.
Prior Publication US 2021/0061374 A1, Mar. 4, 2021
Int. Cl. B62D 7/15 (2006.01); B62D 12/00 (2006.01); B62D 49/06 (2006.01); B60W 10/20 (2006.01)
CPC B62D 49/0621 (2013.01) [B60W 10/20 (2013.01); B62D 7/15 (2013.01); B62D 12/00 (2013.01); B60W 2540/18 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An articulated vehicle for moving along a surface comprising:
a front frame supported by front wheels;
a front wheel steering system operatively connected to the front wheels and configured to adjust a position of the front wheels with respect to the front frame, the front wheel steering system including a steering control input;
a rear frame rotatably coupled to the front frame at a pivot defining an axis of articulation, the rear frame supported by rear wheels;
an articulator disposed at or near the pivot, wherein the articulator is configured to adjust the position of the rear frame with respect to the front frame at the axis of articulation, the articulator including an articulator input; and
a user input operatively connected to the steering control input and operatively connected to the articulator input, wherein the user input includes a control mode input configured to automatically control steering of the articulated vehicle for predetermined steering conditions, wherein the control mode input includes a minimum turn radius in which the front wheels are steered to a maximum steering angle and the articulation angle steering is steered to a maximum articulation angle.