Rear discharge multi-blade rotary mower
US4502271A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 15, 1984 |
| Grant date | Mar 5, 1985 |
| Priority date | — |
| Expiry date | Mar 15, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S56/22
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The rotary mower has a blade housing supported on wheels for travel along the ground and including a top deck, a front wall and opposed side walls depending from the top deck, a rear wall depending from the top deck and extending transversely between the rear portions of the side walls, and a plurality of cutter blades which are mounted inside the blade housing and are rotated in the same direction about laterally spaced vertical axes. A flexible flap extending transversely generally coextensively with the rear wall and extending substantially vertically down to engage the mowed grass forms an effective air seal substantially across the rear of the blade housing. A portion of the grass clippings is impelled rearwardly toward the rear wall and another portion is impelled transversely toward an arcuate baffle disposed inside the blade housing near one of the side walls, extending between the front and rear walls of the blade housing, and having a rear portion extending closely adjacent the travel path of the corresponding cutter blade. The arcuate baffle guides the latter portion of the grass clippings in a direction along the rear wall and thereby promotes even distribution of the c…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.