Patent ID: 8517118
Filing Date: 2013-08-27
Classification: A01B,A01C,E06C

Abstract:
1. A stack-fold planter comprising: a center frame section and a pair of outer frame sections mounted to opposite lateral sides of the center frame section, wherein the outer sections are configured to be raised and folded to an over-center stacked position; a plurality of ground engaging tools mounted to the center frame section and the pair of outer frame sections; a trailing frame section coupled to and extending rearward from the center frame section; a pair of lift arms coupled to the trailing frame section, the lift arms having a fixed length; at least one bulk fill hopper supported by the pair of lift arms; and a pair of parallel linkages pivotably coupled to the trailing frame section and operative to maintain an orientation of the bulk fill hopper when the lift arms are being raised and lowered, each of the parallel linkages having a fixed length; a cylinder coupled to the trailing frame section for raising and lowering the lift arms; and wherein a lowermost position of the pair of lift arms is above an uppermost portion of the pair of parallel linkages throughout a range of motion for the pair of parallel linkages.