Patent application number | Description | Published |
20090243384 | Track assembly having wear inhibiting contact members - A track assembly for a track-type machine is disclosed. The track assembly includes inner and outer track links. A rotatable bushing is positioned about a track pin and a sleeve bearing is positioned about the track pin. A first seal member is disposed between an inner track link and the rotatable bushing and a second seal member is disposed between inner and outer track links. A first thrust ring is engaged with the rotatable bushing and a second thrust ring is engaged with the sleeve bearing. A first contact member is engaged with the first seal member and a second contact member is engaged with the second seal member. The first and second contact members are configured to inhibit wear of the first and second seal members. | 10-01-2009 |
20100146925 | Master link for a track chain - A master link for a chain assembly is provided. The master link includes a body member with a first side, a second side positioned opposite the first side, a shoe surface configured to receive a track shoe, and a rail surface positioned opposite the shoe surface. The master link also includes first and second apertures extending through the body member from the first side to the second side and third and fourth apertures located between the first and second apertures. The master link also includes a strut member dividing the third and fourth apertures. The master link also includes a first gap located in the body member and extending from the first aperture to the third aperture and a second gap located in the body member and extending from the fourth aperture to the second aperture. The master link further includes a third gap located in the strut member and extending from the third aperture to the fourth aperture. | 06-17-2010 |
20150061369 | TRACK JOINT ASSEMBLIES AND THRUST RINGS FOR SAME - Disclosed are various exemplary embodiments of a thrust ring for a track joint assembly. In one exemplary embodiment, the thrust ring may include a generally cylindrical outer surface. The thrust ring may also include a generally cylindrical inner surface including at least one protrusion extending toward a central axis of the thrust ring. | 03-05-2015 |
20150061370 | TRACK JOINT ASSEMBLIES - Disclosed are various exemplary embodiments of a track joint assembly. In one exemplary embodiment, the track joint assembly may include a first link having a first bore. The track joint assembly may also include a second link having a second bore. Additionally, the track joint assembly may include a pin positioned at least partially within the first bore. The track joint assembly may also include an inner bushing positioned coaxially around the pin, and at least partially within the second bore. In addition, the track joint assembly may include an outer bushing positioned coaxially around the inner bushing. The track joint assembly may also include a seal assembly positioned between the first link and the second link to form a hermetic seal between the first link and the second link. | 03-05-2015 |
20150061371 | TRACK JOINT ASSEMBLIES - Disclosed are various exemplary embodiments of a track joint assembly. In one exemplary embodiment, the track joint assembly may include a first link having a first bore. The track joint assembly may also include a second link having a second bore including first and second portions. The first and second portions may have different diameters. In addition, the track joint assembly may include a solid pin positioned at least partially within the first bore. The track joint may also include a bushing positioned coaxially around the pin. The bushing may include an axial end portion disposed in and contacting the first portion of the second bore. The bushing may also include an axial end-adjacent portion disposed in and contacting the second portion of the second bore. An outer diameter of the end-adjacent portion may be larger than an outer diameter of the end portion. | 03-05-2015 |
20150061372 | TRACK JOINT ASSEMBLIES - Disclosed are various exemplary embodiments of a track joint assembly. In one exemplary embodiment, the track joint assembly may include a first link having a first bore. Additionally, the track joint assembly may include a second link having a second bore. The track joint assembly may also include a bushing. The bushing may include a first axial end portion disposed in the first bore. In addition, the bushing may include a second axial end portion disposed in the second bore. The track joint assembly may also include a seal assembly positioned at an axial end of the first axial end portion. The seal assembly may contact the first link at a seal-link interface. | 03-05-2015 |
20150061373 | JOINT BUSHINGS FOR TRACK JOINT ASSEMBLIES - Disclosed are various exemplary embodiments of a joint bushing for a track joint assembly. In one exemplary embodiment, the joint bushing may include a generally cylindrical outer surface. The joint bushing may also include a generally cylindrical inner bearing surface defining a bore. The inner bearing surface may include a plurality of valley-shaped recesses. | 03-05-2015 |
20150061374 | TRACK JOINT ASSEMBLIES - Disclosed are various exemplary embodiments of a track joint assembly. In one exemplary embodiment, the track joint assembly may include a first link having a first bore. The track joint assembly may also include a second link having a second bore. In addition, the track joint assembly may include a solid pin positioned at least partially within the first bore. The track joint assembly may also include a bushing positioned coaxially around the pin. The bushing may include an axial end portion disposed in the second bore. The second link may include a sealing portion surrounding an axial end of the axial end portion. The sealing portion may include material having a different wear resistance than material of another portion of the second link. | 03-05-2015 |