Horizontal rotary mower with multi-ductility blades
US9756781B2 · kind B2 · utility
1Cited by
6References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 9, 2017 |
| Grant date | Sep 12, 2017 |
| Priority date | — |
| Expiry date | Jan 9, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D2101/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A lawnmower with a plurality of blade holding elements in a horizontally rotating blade assembly holds a plurality of multi-ductility blades with a maximum thickness of 0.075 inches in a blade channel and in a substantially tangential orientation. The multi-ductility blades include a hardened cutting edge of Rockwell hardness greater than 50 and ductile portion with Rockwell hardness less than 50.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.