Hydrostatic control - pivot steering
US3971453A · kind A · utility
5Cited by
12References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 1974 |
| Grant date | Jul 27, 1976 |
| Priority date | — |
| Expiry date | Oct 29, 1994 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D5/07
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A pivot steering vehicle having a pair of hydrostatically operated driving wheels; and motors for driving those wheels which are driven by variable speed, reversible pumps; a control system is provided, having valve means for controlling the pressure applied to the pumps for controlling the speed and direction of the pumps; and cam means is provided which, in response to turning movements of the steering wheel, reduces the speed of the inside driving wheel, and after a predetermined point in the turning movements of the steering wheel, reverses the direction of that wheel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.