Expandable grain tank for agricultural combines
US8146974B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 3, 2009 |
| Grant date | Apr 3, 2012 |
| Priority date | — |
| Expiry date | Apr 11, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D41/1226
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An expandable grain tank is provided for covering the open end of a grain tank of an agricultural combine. The expandable tank includes a tarp and a support structure for raising and lowering the tarp. The support structure is configured with an upper frame, a plurality of expandable legs connected to the upper frame and the grain tank, and an actuator to expand and retract the expandable legs. The expandable tank is configured to be moved between a retracted position and an expanded position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.