US 11,885,098 B2
Serrated blade assembly using differently configured components
David Bruno Parzynski, Jr., Peoria, IL (US); and Thomas Marshall Congdon, Dunlap, IL (US)
Assigned to Caterpillar Inc., Peoria, IL (US)
Filed by Caterpillar Inc., Peoria, IL (US)
Filed on Jun. 28, 2022, as Appl. No. 17/851,541.
Application 17/851,541 is a division of application No. 15/953,230, filed on Apr. 13, 2018, granted, now 11,401,685.
Prior Publication US 2022/0341125 A1, Oct. 27, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. E02F 3/815 (2006.01); E02F 9/28 (2006.01)
CPC E02F 3/8152 (2013.01) [E02F 3/815 (2013.01); E02F 9/28 (2013.01); E02F 9/2833 (2013.01); E02F 9/2858 (2013.01); E02F 9/2883 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A blade assembly for use with a grading machine, the blade assembly comprising:
an adapter board including an upper adapter board attachment portion, an upper adapter board free end, a lower tool bit attachment portion, and a lower adapter board free end, wherein a lateral direction is defined along a length of the lower tool bit attachment, width is measured along the lateral direction, and a vertical direction is perpendicular to the lateral direction;
a plurality of tool bits configured to be attached to the adapter board, each tool bit including a working portion having a working length measured along the vertical direction and a working width measured along the lateral direction; and
a plurality of wear members configured to be attached to the adapter board, each wear member including:
a shank portion having an axial length and defining a longitudinal axis along the axial length; and
a wear portion having a wear length measured along the vertical direction and a wear width measured along the lateral direction, the wear portion including:
a bottom planar surface perpendicular to the longitudinal axis, and
a plurality of rectangular hexahedron shaped inserts attached to the bottom planar surface, each of the plurality of rectangular hexahedron shaped inserts having:
an exterior side surface parallel to the longitudinal axis, and
a bottom flat portion perpendicular to the longitudinal axis.