Traveling drive apparatus in a working vehicle
US5957235A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 6, 1996 |
| Grant date | Sep 28, 1999 |
| Priority date | — |
| Expiry date | Sep 6, 2016 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2037/088
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
There is provided a traveling drive apparatus in a working vehicle having a traveling body with front wheels and rear wheels which are adapted to be controlledly driven respectively, characterized in that: the traveling body has mounted thereon an engine, a transmission and a hydraulic pump which are coupled to the engine and a first hydraulic motor that is adapted to be driven by the hydraulic pump whereas a left hand side wheel and a right hand side wheel on one of a front side and a rear side of the traveling body are adapted to be selectively coupled to either of an output side of the engine and an output side of the first hydraulic motor; and a left hand side wheel and a right hand side wheel of the other of the front side and the rear side are mounted on a suspension unit having a second hydraulic motor and a third hydraulic motor which are provided independently of each other and are adapted to be driven by the hydraulic pump and which are respectively coupled to the left hand side wheel and the right hand wheel of the other of the front side and the rear side of the traveling body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.