Quick switching mechanism for side discharge unit and grass chopper unit of a lawn mower
US7775027B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2009 |
| Grant date | Aug 17, 2010 |
| Priority date | — |
| Expiry date | Jun 10, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D34/71
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present disclosed invention relates to a quick switching mechanism for the side discharge unit and the chopper unit of a lawn mower: a side discharge unit and a chopper unit are mounted at the grass outlet on a cutting platform; wherein, the side discharge unit comprises a grass discharging gear shaft, a grass discharging hood mounted on the grass discharging gear shaft; the grass chopper unit comprises a grass chopping gear shaft, a grass chopping closing plate mounted on the grass chopping gear shaft; the small gear on the grass discharging gear shaft is engaged to the big gear on the grass chopping gear shaft; a guy wire is mounted on the cutting platform, and is connected to a rotary arm mounted on one end of the grass chopping gear shaft. In the invention, the current grass discharging hood is kept, and therefore the safety of grass discharging is not compromised; during the mowing process, when the mower runs into a place (e.g., a kerb, shrub, etc.) where the grass discharging process is difficult, the mower can be switched from grass discharging mode to grass chopping mode immediately; after the mower passes the place, it can be switched back to grass discharging mode qu…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.