Draper belt construction to control translation
US7640720B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 11, 2008 |
| Grant date | Jan 5, 2010 |
| Priority date | — |
| Expiry date | Jun 11, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D57/20
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A draper platform includes a frame, a cutter bar, at least one conveyor assembly with two rollers, and a conveyor belt surrounding both rollers. Each of the rollers are mounted to a respective support frame that is independently pivotally mounted to the frame around a transverse axis at its rear end. An assembly for guiding the conveyor belt on the rollers is provided. It includes a ridge on an interior side of the belt and a groove within the roller. The ridge and the groove are provided in the vicinity of the rear end of the rollers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.