Patent ID: 7207164
Filing Date: 2007-04-24
Classification: A01D

Abstract:
1. A floating header for an agricultural combine having a main hydraulic circuit, the header comprising: a frame; a support member supporting the frame from the ground; a suspension variably supporting the frame from the combine, the suspension having a sub-frame removably attaching to the combine, a plurality of links movably attaching the frame and the sub-frame, and one or more float cylinder moveably supporting the frame from the sub-frame, the one or more float cylinder having a first end and a second end; a float circuit connecting to each float cylinder; a float valve connecting the float circuit to the main hydraulic circuit, the float valve adapted to controllably add and subtract hydraulic fluid in the float circuit, wherein the one or more float cylinder is coupled at its first end to at least one of the plurality of links and further wherein the one or more float cylinder is coupled at its second end to the frame.