Lawn mower
US10813285B2 · kind B2 · utility
2Cited by
11References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2017 |
| Grant date | Oct 27, 2020 |
| Priority date | — |
| Expiry date | Jan 4, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D2101/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A cutter blade of a lawn mower includes a blade body and flaps. The blade body includes a shape with a sweepback angle inclined in a reverse-rotation direction of the cutter blade. The flap pivotal axis is provided along a blade edge without intersecting with a blade rotational axis. A flap pivotal axis is provided at a position offset from a line perpendicular to the blade rotational axis and in parallel to the pivotal axis, in a rotation direction of the cutter blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.