Carted wheel rake windrow adjustment apparatus
US9167746B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2013 |
| Grant date | Oct 27, 2015 |
| Priority date | — |
| Expiry date | Oct 23, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D78/144
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A rake includes a frame and at least one arm assembly attached to the frame via an arm member. The arm assembly includes a main beam coupled to the arm member. The main beam includes a first member pivotally attached to a second member, and the angle between the first and second members is adjustable. The arm assembly further includes a first rake wheel unit connected to the first member and a second rake wheel unit connected to the second member. The arm assembly attaches to the frame such that in a work position, the first and second rake wheel units are disposed substantially horizontally extended with respect to frame, and in a transport position, the first and second rake wheel units are disposed substantially vertically above the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.