US 12,419,224 B2
Round baler
Felix Schnieders, Lingen (DE)
Assigned to Maschinenfabrik Bernard Krone GmbH & Co. KG, Spelle (DE)
Filed by Maschinenfabrik Bernard Krone GmbH & Co. KG, Spelle (DE)
Filed on Jun. 22, 2022, as Appl. No. 17/846,052.
Claims priority of application No. 10 2021 116 199.1 (DE), filed on Jun. 23, 2021.
Prior Publication US 2022/0408654 A1, Dec. 29, 2022
Int. Cl. A01F 15/08 (2006.01); A01F 15/07 (2006.01); A01F 15/18 (2006.01)
CPC A01F 15/0883 (2013.01) [A01F 15/07 (2013.01); A01F 15/18 (2013.01); A01F 2015/077 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A round baler comprising:
a frame;
a rear door pivotable relative to the frame about a door axis;
an endless circulatingly drivable press element configured to define at least partially a press chamber inside the frame for forming a crop bale;
a tension rocker pivotable relative to the frame about a rocker axis, wherein the tension rocker comprises at least one rotatable rocker guide roller configured to guide the press element;
a first pressure element arranged at the frame and at the rear door and acting between the frame and the rear door;
a second pressure element arranged at the rear door and at the tension rocker and acting between the rear door and the tension rocker;
wherein at least one of the first and second pressure elements is a linear actor;
wherein the rear door and the tension rocker are configured to pivot by a length expansion of the first pressure element, and wherein the rear door is configured to pivot upwardly by the length expansion of the first pressure element to enable an ejection of the crop bale from the press chamber;
wherein the rear door is configured to pivot downwardly by a length expansion of the second pressure element;
wherein the first pressure element is a single-acting cylinder and wherein the second pressure element is a single-acting cylinder.