Patent ID: 8151547

Claim:
A knife head assembly for a header of an agricultural cutting machine, the knife head assembly comprising: an elongate head attach bar having a major axis, the elongate head attach bar comprising: a first surface being configured to form a flush contact with a blade assembly; a series of first fastener-receiving through-openings, each first fastener-receiving through-opening of the series passing through the first surface and a second surface, the series of first fastener-receiving through-openings being substantially perpendicular to the major axis; and a projection extending from the second surface and disposed on a distal end thereof the projection having a second fastener-receiving through-opening passing through the first and second surfaces; and a connecting block disposed about the projection such that the connecting block is elevated above the second surface, the connecting block being configured to receive a driver element, the connector block includes a connecting block through-opening, the connecting block being configured to retain a bearing unit in the connecting block through-opening, the bearing unit having a bearing through-opening, wherein the respective center axes of the second fastener-receiving through-opening, the connector block through-opening and the bearing unit through-opening are substantially coaxial along a minor axis, wherein the minor axis is substantially perpendicular to the major axis.