초록 ▼

A track link has a link body. The link body of the track link may include a first substantially planar side surface, a second substantially planar side surface opposite the first substantially planar side surface, a shoe face extending between the first and second substantially planar side surfaces,

A track link has a link body. The link body of the track link may include a first substantially planar side surface, a second substantially planar side surface opposite the first substantially planar side surface, a shoe face extending between the first and second substantially planar side surfaces, and a roller rail extending between the first and second substantially planar side surfaces opposite the shoe face.

대표청구항 ▼

1. A track link, comprising: a link body, including a first planar side surface,a second planar side surface opposite the first substantially planar side surface,a shoe face extending between the first and second planar side surfaces, anda roller rail extending between the first and second planar si

1. A track link, comprising: a link body, including a first planar side surface,a second planar side surface opposite the first substantially planar side surface,a shoe face extending between the first and second planar side surfaces, anda roller rail extending between the first and second planar side surfaces opposite the shoe face. 2. The track link of claim 1, wherein the link body further comprises: a first opening extending from the first planar side surface to the second planar side surface;a second opening extending from the first planar side surface to the second planar side surface; andwherein the first and second openings are the only openings that extend from the first planar side surface to the second planar side surface. 3. The track link of claim 2, wherein the first planar side surface and the second planar side surface are substantially parallel to one another. 4. The track link of claim 1, wherein the first planar side surface and the second planar side surface are substantially parallel to one another. 5. The track link of claim 1, wherein the link body further comprises a mounting hole extending from the shoe face into the link body toward the roller rail. 6. The track link of claim 5, wherein the mounting hole includes a threaded portion. 7. The track link of claim 6, wherein the mounting hole includes an unthreaded counterbore between the threaded portion and the shoe face. 8. The track link of claim 7, wherein the unthreaded counterbore has a length of at least about ½ of a diameter of the unthreaded counterbore. 9. The track link of claim 7, wherein the unthreaded counterbore has a length of at least about ¾ of a diameter of the unthreaded counterbore. 10. The track link of claim 6, wherein the link body has a width between the first planar side surface and the second planar side surface, the width of the link body being at least about 1¼ times a diameter of the threaded portion of the mounting hole. 11. A track link, comprising: a link body without a nut seat, the link body including; a first substantially planar side surface including only one planar surface,a second substantially planar side surface opposite the first substantially planar side surface, and including only one planar surface,a shoe face extending between the first and second substantially planar side surfaces, anda roller rail extending between the first and second substantially planar side surfaces opposite the shoe face. 12. The track link of claim 11, wherein the link body further comprises a mounting hole extending from the shoe face into the link body toward the roller rail. 13. The track link of claim 12, wherein the mounting hole includes a threaded portion. 14. The track link of claim 13, wherein the mounting hole includes an unthreaded counterbore between the threaded portion and the shoe face. 15. The track link of claim 14, wherein the unthreaded counterbore has a length of at least about ½ of a diameter of the unthreaded counterbore. 16. The track link of claim 14, wherein the unthreaded counterbore has a length of at least about ¾ of a diameter of the unthreaded counterbore. 17. The track link of claim 13, wherein the link body has a width between the first substantially planar side surface and the second substantially planar side surface, the width of the link body being at least about 1¼ times a diameter of the threaded portion of the mounting hole. 18. A track link, comprising: a first substantially planar side surface including only one planar surface;a second substantially planar side surface opposite the first substantially planar side surface, and including only one planar surface;a shoe face extending between the first and second substantially planar side surfaces;a roller rail extending between the first and second substantially planar side surfaces opposite the shoe face; andan opening extending across a width of the track link from the first substantially planar side surface to the second substantially planar side surface, the opening including a pin bore, anda counterbore having a larger cross-section than the pin bore, the counterbore having a length of less than about ⅓ of a length of the pin bore. 19. The track link of claim 18, wherein: the second substantially planar side surface is substantially parallel to the first substantially planar side surface. 20. An undercarriage assembly, comprising: a track link having first and second mounting holes with respective threaded portions, wherein the first and second mounting holes are the same distance from one side of the track link,a track shoe having a third mounting hole aligned with the first mounting hole; anda bolt extending through the third mounting hole into the threaded portion of the first mounting hole, the bolt securing the track shoe to the track link. 21. The assembly of claim 20, wherein the first mounting hole includes an unthreaded counterbore between the threaded portion and the third mounting hole. 22. The assembly of claim 21, wherein the unthreaded counterbore has a length of at least about ½ of a diameter of the unthreaded counterbore. 23. The assembly of claim 22, wherein a portion of the track link containing the first mounting hole has a width of at least about 1¼ times a diameter of the threaded portion of the first mounting hole. 24. The assembly of claim 21, wherein the unthreaded counterbore has a length of at least about ¾ of a diameter of the unthreaded counterbore. 25. The assembly of claim 24, wherein a portion of the track link containing the first mounting hole has a width of at least about 1¼ times a diameter of the threaded portion of the first mounting hole. 26. The assembly of claim 20, wherein a portion of the track link containing the first mounting hole has a width of at least about 1¼ times a diameter of the threaded portion of the first mounting hole.