Tractor hitch
US5257797A · kind A · utility
12Cited by
5References
18Claims
0Family size
Inventor
Key dates
| Filing date | Apr 3, 1992 |
| Grant date | Nov 2, 1993 |
| Priority date | — |
| Expiry date | Apr 3, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60D1/465
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A hydraulic hitch mounted on the back of a tractor has a pair of first upright tubular members that slide into second upright tubular members fixed to the tractor frame. A pair of piston and cylinder assemblies are used to raise and lower a draw bar attached to the first tubular members. The draw bar movably supports a tongue having a connector used to connect the hitch to an implement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.