Patent ID: 11926989
Assignee: CATERPILLAR INC.
Field: Civil engineering (Other fields)
Classification: CPC E  A | IPC E

Claim 9:
10. A blade assembly comprising:
a plurality of shank receiving bores;
a plurality of bushings,
wherein a bushing, of the plurality of bushings, is pressed into a shank receiving bore of the plurality of shank receiving bores,
wherein the plurality of shank receiving bores includes counterbore portions,
wherein each of the plurality of bushings is disposed in one of the counterbore portions,
each of the counterbore portions defining a counterbore diameter,
each of the plurality of shank receiving further including a reduced diameter portion defining a reduced diameter that is less than the counterbore diameter, and
the reduced diameter portion extending from the counterbore portion and

including a plurality of axially extending splines; and

a plurality of tool bits,
wherein a tool bit, of the plurality of tool bits, is configured to mate with the bushing.