Replaceable cutting blade for a lawn mower blade
US5467586A · kind A · utility
Inventors
Key dates
| Filing date | Sep 6, 1994 |
| Grant date | Nov 21, 1995 |
| Priority date | — |
| Expiry date | Sep 6, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S56/20
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An improved lawn mower blade including a cutting blade detachably affixed to a surface of the lawn mower blade and extending outwardly beyond a forward edge of the lawn mower blade, and a cover plate affixed to the cutting blade on the surface of the cutting blade opposite the lawn mower blade. The cover plate is in compressive contact with a surface of the cutting blade. The cutting blade has a thickness less than the thickness of the lawn mower blade. The cutting blade has a beveled edge extending outwardly beyond the forward edge of the lawn mower blade. The cutting blade is secured between the cover plate and the lawn mower blade by a plurality of bolts extending therethrough. A second cutting blade is detachably affixed to a surface of the lawn mower blade at an opposite end of the lawn mower blade and a second cover plate is affixed to a surface of the second cutting blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.