CPC A01D 82/00 (2013.01) [A01D 34/667 (2013.01); A01D 41/06 (2013.01); A01D 43/10 (2013.01); A01D 43/102 (2013.01); A01D 57/24 (2013.01); A01D 57/26 (2013.01)] | 25 Claims |
1. A harvesting apparatus for an agricultural machine, the harvesting apparatus comprising:
a frame;
a cutting mechanism coupled to the frame and operable to cut crop material;
a crop conditioning element coupled to the frame;
a hood moveable relative to the crop conditioning element, the hood including a first lift connection and a second lift connection;
an actuating system moveably connecting the hood to the frame, the actuating system including:
a driven lever arm rotatably attached to the frame for rotation about a lever rotation axis, the driven lever arm including a first lever connection and a second lever connection positioned opposite each other across the lever rotation axis;
a first pivot assembly rotatably attached to the frame at a first pivot axis for rotation about the first pivot axis, the first pivot assembly including a first pivot connection offset from the first pivot axis and coupled to the first lever connection of the driven lever arm, and a second pivot connection offset from the first pivot axis and coupled to the first lift connection of the hood;
a second pivot assembly rotatably attached to the frame at a second pivot axis for rotation about the second pivot axis, the second pivot assembly including a third pivot connection offset from the second pivot axis and coupled to the second lever connection of the driven lever arm, and a fourth pivot connection offset from the second pivot axis and coupled to the second lift connection of the hood; and
wherein the first pivot axis and the second pivot axis are spaced apart from each other along a central longitudinal axis of the frame.
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