US 9,807,936 B2
Swath roller with controlled anchoring force
Gerry Lee Miller, St. Brieux (CA)
Assigned to Bourgault Industries Ltd., St. Brieux, Saskatchewan (CA)
Filed by Bourgault Industries Ltd., St. Brieux (CA)
Filed on Mar. 3, 2016, as Appl. No. 15/59,676.
Application 15/059,676 is a division of application No. 14/295,829, filed on Jun. 4, 2014, abandoned.
Claims priority of application No. 2818449 (CA), filed on Jun. 18, 2013.
Prior Publication US 2016/0183471 A1, Jun. 30, 2016
Int. Cl. A01D 91/04 (2006.01); A01D 57/30 (2006.01); A01D 43/04 (2006.01)
CPC A01D 91/04 (2013.01) [A01D 43/04 (2013.01); A01D 57/30 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A method of swathing a crop comprising:
moving a swather along the ground in an operating travel direction such that the swather cuts standing crop plants and lays the cut plants in a swath behind the swather supported on standing stubble of the cut crop plants;
rotatably attaching a drum to a rear portion of the swather such that a rotational axis of the drum is oriented substantially horizontally and perpendicular to the operating travel direction;
allowing the drum to move up and down and roll along a top of the swath such that the drum exerts a downward anchoring force on the swath and pushes the swath into the standing stubble;
exerting a bias force on the drum and manipulating a bias force control to vary the bias force in an upward or downward direction to vary the anchoring force in response to variations in the crop as the swather moves along the ground from an anchoring force greater than a weight of the drum to an anchoring force less than a weight of the drum.