Lift axle auxiliary suspension systems
US10569814B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2017 |
| Grant date | Feb 25, 2020 |
| Priority date | — |
| Expiry date | Apr 20, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D33/0633
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Lift axle systems for use with trucks and other heavy duty vehicles are described herein. In some embodiments, lift axle systems configured in accordance with the present technology include upper and lower control arms on each side of the vehicle that operably couple an axle to a support system attached to the vehicle chassis. The upper control arm has a first end portion pivotally attached to a support system bracket at an upper bracket location, and a second end portion pivotally attached to the axle at an upper axle location. The lower control arm has a first end portion pivotally attached to the support system bracket at a lower bracket location, and a second end portion pivotally attached to the axle at a lower axle location. In some embodiments, the upper and lower bracket locations lie in a vertical plane that extends parallel to the vertical and longitudinal axes of the vehicle, and the upper axle location is spaced apart from the lower axle location in a lateral direction that extends parallel to the lateral axis of the vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.