Folding hay raking and windrowing apparatus
US5155986A · kind A · utility
41Cited by
9References
9Claims
0Family size
Inventor
Key dates
| Filing date | Sep 16, 1991 |
| Grant date | Oct 20, 1992 |
| Priority date | — |
| Expiry date | Sep 16, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D78/144
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A crop raking apparatus having a pair of arms pivotally attached along the vertical axis to a frame. A side delivery type rake having rotatable radially extending teeth is attached to each of the arms. A mechanism is provided for pivoting each one of the rakes about a substantially horizontal axis from a deployed raking position when the respective arm is out to an upper transport position when the respective radial arm is pivoted inwardly. The arms are connected together to the frame by link members which are powered by a hydraulic cylinder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.