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

Claim 16:
17. A track chain assembly including swaged joints comprising:
a track link, the track link including an inboard end collar with a first bore and an outboard end collar a second bore, wherein the outboard end collar also includes an outer side surface and a pin boss extending from the outboard end collar to the outer side surface;
a track pin, the track pin including an end portion with an annular frustoconical groove and the track pin defining a cylindrical direction, a radial direction, and a circumferential direction; and
a track bushing disposed about the track pin,
wherein the end portion of the track pin is pressed and nonrotatably mounted into the second bore, the annular frustoconical groove is disposed axially and radially adjacent to the pin boss, and the pin boss has a continuously-swaged deformation that is disposed in the annular frustoconical groove such that an angular filled undercut portion of the pin boss extends into the annular frustoconical groove circumferentially at least 290 degrees along the cylindrical direction.