Transmission gear for a vehicle of the type having a swivelling upper structure with respect to an undercarriage
US4161227A · kind A · utility
7Cited by
5References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1977 |
| Grant date | Jul 17, 1979 |
| Priority date | — |
| Expiry date | Sep 26, 1997 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F9/20
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A transmission gear for a vehicle of the type having a swivelling upper structure with respect to an undercarriage which comprises an input gear rotatably mounted on the upper structure, the input gear being connected to a prime mover, an output gear rotatably mounted on the undercarriage and, an idler gear mounted coaxially with a center swivel joint of the swivelling upper structure and the undercarriage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.