Patent ID: 7730703

Claim:
A modular disc cutterbar for an agricultural header comprising: a module support structure connected to the header, the support structure extending for a length along an axis transverse to the header; a plurality of disc cutter modules; at least one spacer module modularly connecting two adjacent cutter modules; a plurality of elongate transfer shafts connecting said plurality of cutter modules, each said transfer shaft having an axial length spanning between opposing ends where each end of each transfer shaft having an axially engaging interface with each respective cutter module an elongate guide structure disposed in each said spacer module and an engaging mechanism, said guide structure and said engaging mechanism for fixing the position of each of said at least one spacer along the length of said support structure wherein said mechanism permits selective displacement of each of said at least one spacer within a fixed range along said length of said support structure; and a plurality of appendages connected to and projecting from said support structure, each said appendage configured to receive one of said engaging mechanisms and forming a movable connection for transverse displacement of each of said plurality of cutter modules.