Vehicle with multiple driven axles
US5054573A · kind A · utility
19Cited by
6References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 30, 1990 |
| Grant date | Oct 8, 1991 |
| Priority date | — |
| Expiry date | Mar 30, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60K23/0808
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vehicle such as a tractor having front and rear drive axles with crown wheel and pinions (10 and 11) driven from a prime mover (E) via an inter-axle differential (12). The rear drive axle has left and right hand brakes (40) and the inter-axle differential has a lock (22, 23, 24) for locking-up the differential. The lock is biased to an engaged condition by a spring (25) and an hydraulic actuator (27). A control system (CS) is provided which is arranged to engage the lock (22, 23, 24) when both rear axle brakes (40) are applied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.