Adjustable folding hay raking windrowing apparatus
US5127216A · kind A · utility
Inventor
Key dates
| Filing date | Nov 19, 1990 |
| Grant date | Jul 7, 1992 |
| Priority date | — |
| Expiry date | Nov 19, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D78/16
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A hay raking and windrowing apparatus having a tool bar adapted to be attached to a prime mover and having a side delivery rake attached to one side thereof for raking hay rearwardly and inwardly and a second side delivery rake on the other side of the tool bar for also raking hay rearwardly and inwardly so that both side delivery rakes together produce a single windrow. A folding apparatus is provided on each end of the tool bar for hydraulically folding the rakes between a lowered field operative position and a raised transport position. Hydraulic cylinders are preferably used to move the rakes between the transport and operative positions thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.