Rotary cutting blade having replaceable cutting edge
US4750320A · kind A · utility
37Cited by
9References
6Claims
0Family size
Inventor
Key dates
| Filing date | May 7, 1987 |
| Grant date | Jun 14, 1988 |
| Priority date | — |
| Expiry date | May 7, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D34/733
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A rotary lawn mower blade includes removable cutting tips snapably mounted on a blade base member. The blade can be provided with a new cutting edge by replacing the worn cutting tips with new tips without the need for removing the entire blade from the lawn mower drive spindle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.