Patent ID: 9505455
Filing Date: 2016-11-29
CPC Classification: B62D

Claim Text:
1. A track chain assembly for an undercarriage system, the track chain assembly comprising: a plurality of adjacent offset link sets connected to each other through a pin provided between oppositely disposed offset links, wherein an axis of rotation is defined by the pin, and wherein each of the offset links includes a center portion, a first extension portion extending in a first direction from the center portion, and a second extension portion extending in a second direction from the center portion, the first and second extension portions being offset from one another in an axial direction; and a connection assembly coupled to a pair of the plurality of offset link sets, the connection assembly configured to connect two ends of the track chain assembly together to form an endless loop, the connection assembly comprising: a first pair of straight links coupled to one of the pair of the plurality of offset link sets; and a second pair of straight links coupled to the first pair of straight links and the other of the pair of the plurality of offset link sets, wherein the straight links of the first and second pairs of straight links have a substantially planar first side and a central portion having an increased thickness on a second side, wherein the track chain assembly comprises only two pairs of straight links that are coupled to each other.