Suspension system and rotary tongue lever system for use with a towable trailer
US11351903B1 · kind B1 · utility
6Cited by
44References
35Claims
0Family size
Inventor
Key dates
| Filing date | Aug 25, 2021 |
| Grant date | Jun 7, 2022 |
| Priority date | — |
| Expiry date | Aug 25, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60G2500/30
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A system for positioning a trailer body with the trailer support surface at ground level. The system comprises one or more suspension systems for controlling the position of wheels on either side of the trailer body and a rotary tongue system that allows the trailer tongue to rotate relative to the trailer body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.