Lift attachment for use with a three-point hitch of a tractor
US7422410B1 · kind B1 · utility
0Cited by
12References
4Claims
0Family size
Inventors
Key dates
| Filing date | Dec 15, 2005 |
| Grant date | Sep 9, 2008 |
| Priority date | — |
| Expiry date | Nov 7, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01B59/066
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A lift attachment for a tractor provided with a three-point hitch. A slide assembly is provided for slidable movement in the vertical direction within channel guides. A double acting hydraulic cylinder is connected to the slide assembly for moving the slide assembly either upwardly or downwardly. Lifting tines are connected to the slide assembly. A cam mechanism is provided on the lifting tines to tilt the outer ends of the tines upwardly when the tines are raised and allows the tines to tilt downwardly to a level position when the lifting tines are lowered.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.