Retainer systems for ground engaging tools
US9027268B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2013 |
| Grant date | May 12, 2015 |
| Priority date | — |
| Expiry date | Mar 15, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F9/2891
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Disclosed are various exemplary embodiments of a retainer system for a ground engaging tool. The retainer system may include a lock having a lock rotation axis and including an outer surface extending about the lock rotation axis and a retainer bushing having a retainer axis and an inner surface extending about the retainer axis. The inner surface may be configured to rotatably receive the outer surface of the lock. At least a portion of the outer surface may have a varying radius with respect to the lock rotation axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.