Suspension for heavily loaded haul trucks
US4739976A · kind A · utility
2Cited by
18References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 8, 1985 |
| Grant date | Apr 26, 1988 |
| Priority date | — |
| Expiry date | Nov 8, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F5/00
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An improved suspension for heavily loaded haul trucks. A piston supported by a hollow rod is insertible within a cylinder, a check valve is provided in the lower end of the rod with the seat having damping orifices extending therethrough. An inert gas such as nitrogen is provided in the hollow rod and a silicone fluid is provided in the cylinder below the inert gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.