Filament mower
US4235068A · kind A · utility
11Cited by
4References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 2, 1977 |
| Grant date | Nov 25, 1980 |
| Priority date | — |
| Expiry date | Aug 2, 1997 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D34/416
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A lawnmower using flexible non-metallic filaments as cutting elements is disclosed. In certain specific embodiments the lawnmower may include a stored supply of four lengths of such filament, the free ends of which protrude from a member driven about a nearly vertical axis. Means for metering out line are also disclosed. The mower may include an axial flow fan mounted above the flexible filament cutting apparatus for the purpose of agitating uncut grass and for the purpose of evacuating cut grass particles from the mower housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.