Patent ID: 6932512

Claim:
Rockshaft bearing block structure for rotatably mounting implement lift structure including rockshaft having circular cross-section on an implement frame, the rockshaft bearing block structure comprising: first and second bearing block sections, the sections including first and second arc-shaped cavities; first and second arc-shaped bearing block inserts received in the respective first and second arc-shaped cavities; anti-rotation structure projecting radially inwardly from the bearing block sections between the cavities and contacting end portions of the bearing block inserts, thereby preventing substantial relative sliding movement between the inserts and the cavities; and connector structure securing the first and second bearing block sections and the inserts around the rockshaft, wherein the connector structure includes bolts extending through the bearing block sections and sandwiching the first bearing block section between the second bearing block structure and the implement frame, the bolts removable to facilitate removal and replacement of the bearing block inserts without need to dismount the implement lift structure from the implement frame.