Tag axle for work vehicles
US5018755A · kind A · utility
30Cited by
19References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 1990 |
| Grant date | May 28, 1991 |
| Priority date | — |
| Expiry date | Jan 24, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S280/01
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The present invention is directed to a pneumatic system for (a) raising and lowering the tag axle assembly and (b) applying a variable downward force to the wheels of the tag axle assembly when the wheels are in their ground engaging position. This system disclosed is intended to be tied into the pneumatic brake system which comes standard on most heavy duty work vehicles. The entire system is also controllable from the vehicle's cab.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.