Drop frame trailer construction
US4943204A · kind A · utility
32Cited by
8References
11Claims
0Family size
Inventor
Key dates
| Filing date | Nov 30, 1988 |
| Grant date | Jul 24, 1990 |
| Priority date | — |
| Expiry date | Nov 30, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F7/08
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A drop frame floor assembly for use in a trailer or other such vehicle which includes a frame assembly, a floor assembly and a lift assembly. The lift is connected to the frame for elevating and lowering the floor assembly with respect to the frame. The lift includes first and second scissor assemblies secured between the frame and floor assembly and hydraulic actuators for actuating the scissor assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.