Reversible mower blade
US5711141A · kind A · utility
23Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 1996 |
| Grant date | Jan 27, 1998 |
| Priority date | — |
| Expiry date | Sep 13, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S56/17
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A reversible mower blade is formed from an elongated length of bar stock, the end portions of the blade including respective outer segments twisted in opposite senses about the longitudinal axis of the blade's central portion and respective inner segments also twisted in opposite senses about the axis. The inner and outer segment which form an end portion of the blade are twisted about the axis in opposite sense relative to one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.