CPC A01C 7/06 (2013.01) [A01C 5/068 (2013.01); A01C 7/208 (2013.01)] | 17 Claims |
1. A trailing arm assembly for connection with a row unit of an agricultural planter, the trailing arm assembly comprising:
a closer frame configured for mounting one or more closing wheels thereto for rotation with respect to the closer frame and further comprising a connection portion;
a parallel linkage configured to pivotably connect the closer frame to a planter frame bracket of the row unit via a first pivot and a second pivot on a first end of the parallel linkage and to pivotably connect with the connection portion of the closer frame via a third pivot and a fourth pivot on a second end of the parallel linkage; and
an adjustable hydraulic cylinder or air cylinder pivotably connected to the closer frame at a first end and pivotably connected to the parallel linkage at a second end, wherein the adjustable hydraulic cylinder or air cylinder is configured to provide a downward force on the closer frame;
a walking arm assembly pivotally connected to the closing frame, wherein the walking arm assembly includes a first closing wheel rotationally mounted toward a first end of the walking arm assembly and a second closing wheel rotationally mounted toward a second end of the walking arm assembly such that as the first closing wheel lifts, the second closing wheel drops and vice versa;
wherein:
a first end of the hydraulic cylinder or air cylinder is configured to be fixed with respect to the planter frame bracket and a second end of the hydraulic cylinder or air cylinder is configured to move with respect to the planter frame bracket;
the first end of the hydraulic cylinder or air cylinder is configured to be pivotably mounted to the closer frame at a position above a plane containing the first pivot and the second pivot; and.
the first end of the hydraulic cylinder or air cylinder is configured to be pivotably mounted in double shear with respect to the closer frame.
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