Roller bearing track bushing system
US8511760B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2010 |
| Grant date | Aug 20, 2013 |
| Priority date | — |
| Expiry date | Oct 3, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2326/20
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A roller element bearing 40 track bushing system embodiment for track link assemblies 14 capable of being used on a vehicle 10 having an endless track 12. Each track link assembly 14 has a track shoe assembly 20 defining a front pin bore 22 and a rear pin bore 24. Each track link assembly 14 has a front pin 26 at least partially disposed within the front pin bore 22, and a rear pin 28 at least partially disposed within the rear pin bore 24. The embodiment discloses at least one roller element bearing 40 disposed within the front pin bore 22 around a portion of the front pin 26, at least one roller element bearing 40 disposed within the rear pin bore 22 around a portion of the rear pin 28. The roller element bearings 40 cooperate to prolong the useful life of the track link assembly 14.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.