US 12,065,205 B2
Sprocket with a roller assembly inserted into the sprocket teeth
Michael Stephen Galat, Peoria, IL (US); Lewis C. Hunt, Chillicothe, IL (US); and Temitope O. Akinlua, Peoria, IL (US)
Assigned to Caterpillar Inc., Peoria, IL (US)
Filed by Caterpillar Inc., Peoria, IL (US)
Filed on Jul. 6, 2021, as Appl. No. 17/368,048.
Prior Publication US 2023/0009851 A1, Jan. 12, 2023
Int. Cl. B62D 55/12 (2006.01); B62D 55/30 (2006.01)
CPC B62D 55/12 (2013.01) [B62D 55/30 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A sprocket for use with a track assembly, the sprocket defining a radial direction, a circumferential direction, and an axial direction, the sprocket comprising:
at least a first circumferential sprocket segment including at least one tooth with a first bushing contact surface, a second bushing contact surface, and a top surface extending circumferentially between the first bushing contact surface and the second bushing contact surface,
wherein the first bushing contact surface defines:
a first cavity extending radially from the top surface, and
a second cavity extending from the first bushing contact surface to the first cavity, and
wherein the first cavity is spaced away from an intersection of the first bushing contact surface, and the top surface, forming a front side edge; and
a roller that is disposed in the second cavity.