Parallel hitch for a belly mounted tractor appliance
US4175765A · kind A · utility
2Cited by
2References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 15, 1978 |
| Grant date | Nov 27, 1979 |
| Priority date | — |
| Expiry date | May 15, 1998 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D2101/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Differential length parallel lift arms have means at one end for attachment to a belly mounted tractor appliance. At their opposite ends the lift arms are adapted to be pivotally mounted on a common axis on a tractor under which the appliance is adapted to be located. Lift arm actuating means are connected to the lift arms for effecting substantially parallel lifting of the appliance by the arms. Means for effecting operation of the actuating means may be operated hydraulically or otherwise from the tractor seat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.