Change gear transmission in group arrangement, especially for motor vehicles for use in agriculture and in the construction field
US4116090A · kind A · utility
12Cited by
2References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 4, 1977 |
| Grant date | Sep 26, 1978 |
| Priority date | — |
| Expiry date | Mar 4, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19167
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A transmission constructed in groups with shiftable clutches to vary the ratio and the direction of the drive and including clutches shiftable under load. The arrangement of the clutches shiftable under load is such that a selective shifting under load from forward to rearward drive or from slow forward drive to fast forward drive, and vice versa, will be possible after preselecting a forward or a reversing transmission.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.