US 11,945,525 B2
Radial seal for a track link joint
Brice James Herbers, Peoria, IL (US); and Mark J. Kiesel, Peoria, IL (US)
Assigned to Caterpillar Inc., Peoria, IL (US)
Filed by Caterpillar Inc., Peoria, IL (US)
Filed on Aug. 24, 2021, as Appl. No. 17/445,759.
Prior Publication US 2023/0067760 A1, Mar. 2, 2023
Int. Cl. B62D 55/088 (2006.01); B62D 55/21 (2006.01)
CPC B62D 55/0887 (2013.01) [B62D 55/21 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A bushing for a track link joint, comprising:
a cylindrical body having an at least partially annular configuration, the cylindrical body defining a radial axis, the cylindrical body including an inner circumferential surface, an outer circumferential surface, a first end, and a second end,
wherein the inner circumferential surface is configured to rotatably receive an outer surface of a pin of the track link joint, and
wherein the outer circumferential surface is configured to be rotatably received within a first counterbore of a first track link of the track link joint; and
at least one groove extending radially into the outer circumferential surface around the radial axis,
wherein the at least one groove includes a first groove that is configured to receive a first seal of the track link joint,
wherein the first groove is proximate to the first end and axially offset from the first end, and
wherein the first seal forms a first radial seal between the outer circumferential surface and a first inner surface of the first counterbore.