Auto-leveling drive axle device for wheeled tractor, and leveling method
US10625796B2 · kind B2 · utility
1Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 2017 |
| Grant date | Apr 21, 2020 |
| Priority date | — |
| Expiry date | Jun 26, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F9/2257
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An auto-leveling drive axle device for a wheel tractor, and leveling method. The device comprises a transmission device and a leveling device. The device of the present invention changes only a vertical position of a drive axle with respect to a wheel, and a wheel shaft distance and wheel center spacing are not changed, thus improving traveling stability of a vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.