Patent ID: 11958551
Assignee: CATERPILLAR INC.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 11:
12. A track chain assembly including a plurality of swaged joints, each joint comprising:
a track link including an inboard end collar with a first bore therethrough and an outboard end collar with a pin boss extending outwardly therefrom and a second bore therethrough, the pin boss including an outer side surface; and
a cylindrical pin defining a cylindrical axis, a radial direction, and a circumferential direction, the cylindrical pin including an end portion being pressed and nonrotatably mounted into a respective second bore of the outboard end collar;
wherein an annular frustoconical groove is formed in the end portion of the cylindrical pin disposed axially and radially adjacent to the pin boss, and the pin boss has at least one continuously-swaged deformation that is disposed in the annular frustoconical groove such that an angular filled undercut portion of the pin boss that extends into the annular frustoconical groove circumferentially at least 290 degrees about the cylindrical axis, locking the cylindrical pin within the track link.