US 10,889,342 B2
Contoured double pass roller path for a track chain
Gustavo Acosta, Flossmoor, IL (US); David Jennings Hakes, Brimfield, IL (US); Benoit Abello, Dunlap, IL (US); Benjamin Isaac Jones, Washington, IL (US); and Udo Nott, Herdecke (DE)
Assigned to Caterpillar Inc., Peoria, IL (US)
Filed by Caterpillar Inc., Peoria, IL (US)
Filed on Apr. 3, 2018, as Appl. No. 15/943,838.
Claims priority of provisional application 62/501,235, filed on May 4, 2017.
Prior Publication US 2018/0319445 A1, Nov. 8, 2018
Int. Cl. B62D 55/20 (2006.01); B62D 55/26 (2006.01); B62D 55/21 (2006.01); B62D 55/14 (2006.01)
CPC B62D 55/202 (2013.01) [B62D 55/21 (2013.01); B62D 55/26 (2013.01); B62D 55/14 (2013.01); B62D 55/20 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A track chain member comprising:
a shoe member; and
a first rail member extending from the shoe member, wherein the first rail member defines
a track chain traveling direction and a lateral direction generally perpendicular to track chain traveling direction;
a first support surface extending generally in both the track chain traveling direction and the lateral direction defining an outer lateral extremity;
a first crest shaped member disposed laterally adjacent the outer lateral extremity of the first support surface; and
a groove that extends downwardly from the first support surface and completely through the track chain member along the track chain traveling direction;
wherein the first crest shaped member defines a width along the lateral direction, a vertical direction that is perpendicular to the lateral direction and the track chain traveling direction, and a height in the vertical direction, wherein the width exceeds the height.