Lawn mower
US10070584B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2017 |
| Grant date | Sep 11, 2018 |
| Priority date | — |
| Expiry date | Mar 19, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D2101/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A lawn mower includes a housing with an opened bottom, a hollow shaft extending in a vertical direction of the housing and including a lower end positioned within the housing, a cutter blade, flaps provided for at least part of the cutter blade in a manner that the flaps have a flap angle changeable along a horizontal line, an actuator for outputting an output to control the flap angle of the flap, and a transmission mechanism accommodated in the hollow shaft for transmitting the output of the actuator to the flaps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.