Vegetation cutting device
US9730382B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 28, 2014 |
| Grant date | Aug 15, 2017 |
| Priority date | — |
| Expiry date | Oct 19, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D34/90
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A vegetation cutting device comprises: a housing; a motor mounted in the housing having a rotatable drive shaft; a gearing system comprising a rotatable output shaft, the gearing system adapted to be driven by the drive shaft; a rotatable cuffing head mounted on the output shaft; a rotation sensor module mounted in the housing and configured to detect the rotational speed of the motor and configured to output a rotational speed signal; and a control module configured to determine the rotational speed of the cutting head based on the rotational speed signal and configured to control the speed of the motor in response to the determined rotational speed of the cutting head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.