Motorized lifting system for semi-trailer
US11981300B2 · kind B2 · utility
0Cited by
6References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 17, 2021 |
| Grant date | May 14, 2024 |
| Priority date | — |
| Expiry date | Oct 29, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F3/44
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A motorized lifting system for use on a semi-trailer. The lifting system may comprise a lifting unit capable of mounting to a jack on the semi-trailer, allowing the lifting unit to raise and lower the dolly legs of the jack. The lifting unit may comprise a motor and a series of sprockets and chains connecting the motor to a drive shaft that mounts to a rod of the jack, such that turning the rod raises or lowers the dolly legs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.