Patent ID: 8118533
Filing Date: 2012-02-21
Classification: A01D,Y10T

Abstract:
1. An apparatus for providing suspension for a header of a towed agricultural mower, the apparatus comprising: (a) the towed agricultural mower having a main frame; (b) a hitch operatively attached to a front portion of the mower, the hitch being operatively attached to the main frame, said hitch being subject to forces of towing at no more than two points of pivotal towing attachment to a towing vehicle; (c) a sub-frame operatively provides support for the header; (d) a plurality of linkage arms operatively, rotatably connected to the main frame and operatively, rotatably connected to the sub-frame; (e) a maximum horizontal distance between said plurality of linkage arms, measured in a transverse direction of the towed agricultural mower; (f) the header comprising at least one cutter bar, said header having an operating width defined as an overall width over which the header mows in one pass; and (g) a ratio of the maximum horizontal distance between said plurality of linkage arms to the operating width of the header, said ratio being no greater than 0.40.