Power assist rear discharge mower deck
US7240474B2 · kind B2 · utility
2Cited by
43References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 13, 2005 |
| Grant date | Jul 10, 2007 |
| Priority date | — |
| Expiry date | Oct 13, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D43/077
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A rear discharge mower deck has at least two cutting blades mounted on vertical spindles in cutting chambers, a fan in a housing mounted on the deck over the cutting chambers, and an inlet opening between the cutting chambers and the fan housing. The surface area of the inlet opening may be between about 50% and about 80% of the surface area within the fan diameter. A stripper plate may be on one edge of the inlet opening, and each cutting chamber may have an upwardly sloping tunnel to the inlet opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.